Created a database backed implementation of the runtime config services.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3870 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
@@ -205,6 +205,7 @@
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<fileset dir="${classes.dir}" includes="com/threerings/presents/**"/>
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<fileset dir="${classes.dir}" includes="com/threerings/crowd/**"/>
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<fileset dir="${classes.dir}" includes="com/threerings/admin/**"/>
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<fileset dir="src/sql" includes="admin/*.sql"/>
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<fileset dir="${classes.dir}" includes="rsrc/config/presents/**"/>
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<fileset dir="${classes.dir}" includes="rsrc/config/crowd/**"/>
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</jar>
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@@ -21,8 +21,31 @@
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package com.threerings.admin.server;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.HashMap;
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import com.samskivert.io.ByteArrayOutInputStream;
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import com.samskivert.util.StringUtil;
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import com.threerings.io.ObjectInputStream;
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import com.threerings.io.ObjectOutputStream;
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import com.threerings.io.Streamable;
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import com.threerings.presents.dobj.AccessController;
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import com.threerings.presents.dobj.AttributeChangeListener;
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import com.threerings.presents.dobj.AttributeChangedEvent;
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import com.threerings.presents.dobj.DObject;
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import com.threerings.presents.dobj.DSet;
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import com.threerings.presents.dobj.EntryAddedEvent;
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import com.threerings.presents.dobj.EntryRemovedEvent;
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import com.threerings.presents.dobj.EntryUpdatedEvent;
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import com.threerings.presents.dobj.ObjectAccessException;
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import com.threerings.presents.dobj.SetListener;
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import com.threerings.admin.Log;
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/**
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* Provides a registry of configuration distributed objects. Using distributed
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@@ -57,20 +80,286 @@ public abstract class ConfigRegistry
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* hierarchical in nature (of the form <code>system.subsystem</code>), for
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* example: <code>yohoho.crew</code>.
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* @param path The the path in the persistent configuration repository.
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* This may mean something to the underlying persistent store, for example
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* in the preferences backed implementation it defines the path to the
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* preferences node in the package hierarchy.
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* @param object the object to be registered.
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*/
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public abstract void registerObject (
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String key, String path, DObject object);
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public void registerObject (String key, String path, DObject object)
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{
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ObjectRecord record = createObjectRecord(path, object);
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record.init();
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_configs.put(key, record);
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}
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/**
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* Returns the config object mapped to the specified key, or null if none
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* exists for that key.
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*/
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public abstract DObject getObject (String key);
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public DObject getObject (String key)
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{
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ObjectRecord record = (ObjectRecord)_configs.get(key);
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return (record == null) ? null : record.object;
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}
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/**
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* Returns an array containing the keys of all registered configuration
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* objects.
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*/
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public abstract String[] getKeys ();
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public String[] getKeys ()
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{
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return (String[])_configs.keySet().toArray(new String[_configs.size()]);
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}
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/**
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* Creates an object record derivation that will handle the management of
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* the specified object.
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*/
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protected abstract ObjectRecord createObjectRecord (
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String path, DObject object);
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/**
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* Contains all necessary info for a configuration object registration.
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*/
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protected abstract class ObjectRecord
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implements AttributeChangeListener, SetListener
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{
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public DObject object;
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public ObjectRecord (DObject object)
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{
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this.object = object;
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}
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public void init ()
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{
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// read in the initial configuration settings from the persistent
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// configuration repository
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Class cclass = object.getClass();
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try {
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Field[] fields = cclass.getFields();
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for (int ii = 0; ii < fields.length; ii++) {
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int mods = fields[ii].getModifiers();
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if ((mods & Modifier.STATIC) != 0 ||
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(mods & Modifier.PUBLIC) == 0 ||
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(mods & Modifier.TRANSIENT) != 0) {
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continue;
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}
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initField(fields[ii]);
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}
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// listen for attribute updates
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object.addListener(this);
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} catch (SecurityException se) {
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Log.warning("Unable to reflect on " + cclass.getName() + ": " +
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se + ". Refusing to monitor object.");
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}
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}
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public void entryAdded (EntryAddedEvent event)
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{
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serializeAttribute(event.getName());
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}
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public void entryUpdated (EntryUpdatedEvent event)
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{
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serializeAttribute(event.getName());
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}
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public void entryRemoved (EntryRemovedEvent event)
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{
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serializeAttribute(event.getName());
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}
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public void attributeChanged (AttributeChangedEvent event)
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{
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// mirror this configuration update to the persistent config
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String key = StringUtil.unStudlyName(event.getName());
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Object value = event.getValue();
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if (value instanceof Boolean) {
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setValue(key, ((Boolean)value).booleanValue());
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} else if (value instanceof Short) {
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setValue(key, ((Short)value).shortValue());
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} else if (value instanceof Integer) {
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setValue(key, ((Integer)value).intValue());
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} else if (value instanceof Long) {
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setValue(key, ((Long)value).longValue());
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} else if (value instanceof Float) {
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setValue(key, ((Float)value).floatValue());
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} else if (value instanceof String) {
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setValue(key, (String)value);
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} else if (value instanceof float[]) {
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setValue(key, (float[])value);
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} else if (value instanceof int[]) {
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setValue(key, (int[])value);
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} else if (value instanceof String[]) {
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setValue(key, (String[])value);
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} else if (value instanceof long[]) {
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setValue(key, (long[]) value);
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} else if (value instanceof DSet) {
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serializeAttribute(event.getName());
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} else {
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Log.info("Unable to flush config object change " +
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"[cobj=" + object.getClass().getName() +
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", key=" + key +
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", type=" + value.getClass().getName() +
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", value=" + value + "].");
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}
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}
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/** Initializes a single field of a config distributed object from
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* its corresponding value in the associated config repository. */
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protected void initField (Field field)
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{
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String key = StringUtil.unStudlyName(field.getName());
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Class type = field.getType();
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try {
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if (type.equals(Boolean.TYPE)) {
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boolean defval = field.getBoolean(object);
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field.setBoolean(object, getValue(key, defval));
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} else if (type.equals(Short.TYPE)) {
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short defval = field.getShort(object);
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field.setShort(object, getValue(key, defval));
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} else if (type.equals(Integer.TYPE)) {
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int defval = field.getInt(object);
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field.setInt(object, getValue(key, defval));
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} else if (type.equals(Long.TYPE)) {
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long defval = field.getLong(object);
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field.setLong(object, getValue(key, defval));
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} else if (type.equals(Float.TYPE)) {
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float defval = field.getFloat(object);
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field.setFloat(object, getValue(key, defval));
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} else if (type.equals(String.class)) {
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String defval = (String)field.get(object);
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field.set(object, getValue(key, defval));
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} else if (type.equals(INT_ARRAY_PROTO.getClass())) {
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int[] defval = (int[])field.get(object);
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field.set(object, getValue(key, defval));
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} else if (type.equals(FLOAT_ARRAY_PROTO.getClass())) {
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float[] defval = (float[])field.get(object);
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field.set(object, getValue(key, defval));
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} else if (type.equals(STRING_ARRAY_PROTO.getClass())) {
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String[] defval = (String[])field.get(object);
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field.set(object, getValue(key, defval));
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} else if (type.equals(LONG_ARRAY_PROTO.getClass())) {
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long[] defval = (long[])field.get(object);
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field.set(object, getValue(key, defval));
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} else if (Streamable.class.isAssignableFrom(type)) {
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// don't freak out if the conf is blank.
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String value = getValue(key, "");
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if (StringUtil.isBlank(value)) {
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return;
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}
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try {
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ByteArrayInputStream bin = new ByteArrayInputStream(
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StringUtil.unhexlate(value));
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ObjectInputStream oin = new ObjectInputStream(bin);
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field.set(object, oin.readObject());
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} catch (Exception e) {
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Log.warning("Failure decoding config value [type=" +
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type + ", field=" + field + ", exception=" +
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e + "].");
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}
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} else {
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Log.warning("Can't init field of unknown type " +
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"[cobj=" + object.getClass().getName() +
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", key=" + key +
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", type=" + type.getName() + "].");
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}
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} catch (IllegalAccessException iae) {
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Log.warning("Can't set field " +
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"[cobj=" + object.getClass().getName() +
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", key=" + key + ", error=" + iae + "].");
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}
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}
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/**
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* Get the specified attribute from the configuration object, and
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* serialize it.
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*/
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protected void serializeAttribute (String attributeName)
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{
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String key = StringUtil.unStudlyName(attributeName);
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Object value;
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try {
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value = object.getAttribute(attributeName);
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} catch (ObjectAccessException oae) {
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Log.warning("Exception getting field [name=" + attributeName +
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"exception=" + oae + "].");
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return;
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}
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if (value instanceof Streamable) {
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serialize(key, value);
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} else {
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Log.info("Unable to flush config object change " +
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"[cobj=" + object.getClass().getName() +
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", key=" + key +
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", type=" + value.getClass().getName() +
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", value=" + value + "].");
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}
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}
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/**
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* Save the specified object as serialized data associated with
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* the specified key.
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*/
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protected void serialize (String key, Object value)
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{
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ByteArrayOutInputStream out = new ByteArrayOutInputStream();
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ObjectOutputStream oout = new ObjectOutputStream(out);
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try {
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oout.writeObject(value);
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oout.flush();
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setValue(key, StringUtil.hexlate(out.toByteArray()));
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} catch (IOException ioe) {
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Log.info("Error serializing value " + value);
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}
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}
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protected abstract boolean getValue (String field, boolean defval);
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protected abstract short getValue (String field, short defval);
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protected abstract int getValue (String field, int defval);
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protected abstract long getValue (String field, long defval);
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protected abstract float getValue (String field, float defval);
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protected abstract String getValue (String field, String defval);
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protected abstract int[] getValue (String field, int[] defval);
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protected abstract float[] getValue (String field, float[] defval);
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protected abstract long[] getValue (String field, long[] defval);
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protected abstract String[] getValue (String field, String[] defval);
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protected abstract void setValue (String field, boolean value);
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protected abstract void setValue (String field, short value);
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protected abstract void setValue (String field, int value);
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protected abstract void setValue (String field, long value);
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protected abstract void setValue (String field, float value);
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protected abstract void setValue (String field, String value);
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protected abstract void setValue (String field, int[] value);
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protected abstract void setValue (String field, float[] value);
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protected abstract void setValue (String field, long[] value);
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protected abstract void setValue (String field, String[] value);
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}
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/** A mapping from identifying key to config object. */
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protected HashMap _configs = new HashMap();
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protected static final int[] INT_ARRAY_PROTO = new int[0];
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protected static final float[] FLOAT_ARRAY_PROTO = new float[0];
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protected static final String[] STRING_ARRAY_PROTO = new String[0];
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protected static final long[] LONG_ARRAY_PROTO = new long[0];
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}
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@@ -0,0 +1,269 @@
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//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2006 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.admin.server;
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import java.util.HashMap;
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import com.samskivert.io.PersistenceException;
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import com.samskivert.jdbc.ConnectionProvider;
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import com.samskivert.util.Invoker;
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import com.samskivert.util.StringUtil;
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import com.threerings.presents.dobj.DObject;
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import com.threerings.admin.Log;
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import com.threerings.admin.server.persist.ConfigRepository;
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/**
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* Implements the {@link ConfigRegistry} using a JDBC database as a persistent
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* store for the configuration information.
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*/
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public class DatabaseConfigRegistry extends ConfigRegistry
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{
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/**
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* Creates a configuration registry and prepares it for operation.
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*
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* @param conprov will provide access to our JDBC database.
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* @param invoker this will be used to perform all database activity so as
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* to avoid blocking the distributed object thread.
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*/
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public DatabaseConfigRegistry (ConnectionProvider conprov, Invoker invoker)
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throws PersistenceException
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{
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_repo = new ConfigRepository(conprov);
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_invoker = invoker;
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}
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// documentation inherited
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protected ObjectRecord createObjectRecord (String path, DObject object)
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{
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return null;
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}
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protected class DatabaseObjectRecord extends ObjectRecord
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{
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public DatabaseObjectRecord (String path, DObject object)
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{
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super(object);
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_path = path;
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}
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public void init ()
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{
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// load up our persistent data and then allow the normal
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// initialization process to take place
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_invoker.postUnit(new Invoker.Unit() {
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public boolean invoke () {
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try {
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_data = _repo.loadConfig(_path);
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} catch (PersistenceException pe) {
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Log.warning("Failed to load object configuration " +
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"[path=" + _path + "].");
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Log.logStackTrace(pe);
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_data = new HashMap();
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}
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return true;
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}
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public void handleResult () {
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DatabaseObjectRecord.super.init();
|
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}
|
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});
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||||
}
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||||
|
||||
protected boolean getValue (String field, boolean defval) {
|
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String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
return Boolean.parseBoolean(value);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected short getValue (String field, short defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
return Short.parseShort(value);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected int getValue (String field, int defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
return Integer.parseInt(value);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected long getValue (String field, long defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
return Long.parseLong(value);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected float getValue (String field, float defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
return Float.parseFloat(value);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected String getValue (String field, String defval) {
|
||||
String value = (String)_data.get(field);
|
||||
return (value == null) ? defval : value;
|
||||
}
|
||||
|
||||
protected int[] getValue (String field, int[] defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
int[] avalue = StringUtil.parseIntArray(value);
|
||||
if (avalue != null) {
|
||||
return avalue;
|
||||
}
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected float[] getValue (String field, float[] defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
float[] avalue = StringUtil.parseFloatArray(value);
|
||||
if (avalue != null) {
|
||||
return avalue;
|
||||
}
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected long[] getValue (String field, long[] defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
long[] avalue = StringUtil.parseLongArray(value);
|
||||
if (avalue != null) {
|
||||
return avalue;
|
||||
}
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected String[] getValue (String field, String[] defval) {
|
||||
String value = (String)_data.get(field);
|
||||
try {
|
||||
if (value != null) {
|
||||
return StringUtil.parseStringArray(value);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// ignore bogus values and return the default
|
||||
}
|
||||
return defval;
|
||||
}
|
||||
|
||||
protected void setValue (String field, boolean value) {
|
||||
setAndFlush(field, String.valueOf(value));
|
||||
}
|
||||
protected void setValue (String field, short value) {
|
||||
setAndFlush(field, String.valueOf(value));
|
||||
}
|
||||
protected void setValue (String field, int value) {
|
||||
setAndFlush(field, String.valueOf(value));
|
||||
}
|
||||
protected void setValue (String field, long value) {
|
||||
setAndFlush(field, String.valueOf(value));
|
||||
}
|
||||
protected void setValue (String field, float value) {
|
||||
setAndFlush(field, String.valueOf(value));
|
||||
}
|
||||
protected void setValue (String field, String value) {
|
||||
setAndFlush(field, value);
|
||||
}
|
||||
protected void setValue (String field, int[] value) {
|
||||
setAndFlush(field, StringUtil.toString(value, "", ""));
|
||||
}
|
||||
protected void setValue (String field, float[] value) {
|
||||
setAndFlush(field, StringUtil.toString(value, "", ""));
|
||||
}
|
||||
protected void setValue (String field, long[] value) {
|
||||
setAndFlush(field, StringUtil.toString(value, "", ""));
|
||||
}
|
||||
protected void setValue (String field, String[] value) {
|
||||
setAndFlush(field, StringUtil.joinEscaped(value));
|
||||
}
|
||||
|
||||
protected void setAndFlush (final String field, final String value) {
|
||||
_data.put(field, value);
|
||||
_invoker.postUnit(new Invoker.Unit() {
|
||||
public boolean invoke () {
|
||||
try {
|
||||
_repo.updateConfig(_path, field, value);
|
||||
} catch (PersistenceException pe) {
|
||||
Log.warning("Failed to update object configuration " +
|
||||
"[path=" + _path + ", field=" + field +
|
||||
", value=" + value + "].");
|
||||
Log.logStackTrace(pe);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
protected String _path;
|
||||
protected HashMap _data;
|
||||
}
|
||||
|
||||
protected ConfigRepository _repo;
|
||||
protected Invoker _invoker;
|
||||
}
|
||||
@@ -21,34 +21,8 @@
|
||||
|
||||
package com.threerings.admin.server;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.IOException;
|
||||
import java.lang.reflect.Field;
|
||||
import java.lang.reflect.Modifier;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
|
||||
import com.samskivert.io.ByteArrayOutInputStream;
|
||||
import com.samskivert.util.Config;
|
||||
import com.samskivert.util.StringUtil;
|
||||
|
||||
import com.threerings.io.ObjectInputStream;
|
||||
import com.threerings.io.ObjectOutputStream;
|
||||
import com.threerings.io.Streamable;
|
||||
|
||||
import com.threerings.presents.dobj.AccessController;
|
||||
import com.threerings.presents.dobj.AttributeChangeListener;
|
||||
import com.threerings.presents.dobj.AttributeChangedEvent;
|
||||
import com.threerings.presents.dobj.DObject;
|
||||
import com.threerings.presents.dobj.DSet;
|
||||
import com.threerings.presents.dobj.EntryAddedEvent;
|
||||
import com.threerings.presents.dobj.EntryRemovedEvent;
|
||||
import com.threerings.presents.dobj.EntryUpdatedEvent;
|
||||
import com.threerings.presents.dobj.SetListener;
|
||||
|
||||
import com.threerings.admin.Log;
|
||||
import com.threerings.presents.dobj.ObjectAccessException;
|
||||
|
||||
/**
|
||||
* Implements the {@link ConfigRegistry} using the Java preferences system as a
|
||||
@@ -58,280 +32,81 @@ import com.threerings.presents.dobj.ObjectAccessException;
|
||||
public class PrefsConfigRegistry extends ConfigRegistry
|
||||
{
|
||||
// documentation inherited
|
||||
public void registerObject (String key, String path, DObject object)
|
||||
protected ObjectRecord createObjectRecord (String path, DObject object)
|
||||
{
|
||||
// create a new config record for this object
|
||||
_configs.put(key, new ConfObjRecord(path, object));
|
||||
return null;
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
public DObject getObject (String key)
|
||||
protected class PrefsObjectRecord extends ObjectRecord
|
||||
{
|
||||
ConfObjRecord record = (ConfObjRecord)_configs.get(key);
|
||||
return (record == null) ? null : record.confObj;
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
public String[] getKeys ()
|
||||
{
|
||||
String[] keys = new String[_configs.size()];
|
||||
Iterator iter = _configs.keySet().iterator();
|
||||
for (int ii = 0; iter.hasNext(); ii++) {
|
||||
keys[ii] = (String)iter.next();
|
||||
}
|
||||
return keys;
|
||||
}
|
||||
|
||||
/**
|
||||
* Contains all necessary info for a configuration object registration.
|
||||
*/
|
||||
protected static class ConfObjRecord
|
||||
implements AttributeChangeListener, SetListener
|
||||
{
|
||||
public DObject confObj;
|
||||
public Config config;
|
||||
|
||||
public ConfObjRecord (String path, DObject confObj)
|
||||
public PrefsObjectRecord (String path, DObject object)
|
||||
{
|
||||
super(object);
|
||||
this.config = new Config(path);
|
||||
this.confObj = confObj;
|
||||
|
||||
// read in the initial configuration settings from the persistent
|
||||
// configuration repository
|
||||
Class cclass = confObj.getClass();
|
||||
try {
|
||||
Field[] fields = cclass.getFields();
|
||||
for (int ii = 0; ii < fields.length; ii++) {
|
||||
int mods = fields[ii].getModifiers();
|
||||
if ((mods & Modifier.STATIC) != 0 ||
|
||||
(mods & Modifier.PUBLIC) == 0 ||
|
||||
(mods & Modifier.TRANSIENT) != 0) {
|
||||
continue;
|
||||
}
|
||||
initField(fields[ii]);
|
||||
}
|
||||
|
||||
// listen for attribute updates
|
||||
confObj.addListener(this);
|
||||
|
||||
} catch (SecurityException se) {
|
||||
Log.warning("Unable to reflect on " + cclass.getName() + ": " +
|
||||
se + ". Refusing to monitor object.");
|
||||
protected boolean getValue (String field, boolean defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected short getValue (String field, short defval) {
|
||||
return (short)config.getValue(field, defval);
|
||||
}
|
||||
protected int getValue (String field, int defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected long getValue (String field, long defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected float getValue (String field, float defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected String getValue (String field, String defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected int[] getValue (String field, int[] defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected float[] getValue (String field, float[] defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected long[] getValue (String field, long[] defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
protected String[] getValue (String field, String[] defval) {
|
||||
return config.getValue(field, defval);
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
public void entryAdded (EntryAddedEvent event)
|
||||
{
|
||||
serializeAttribute(event.getName());
|
||||
protected void setValue (String field, boolean value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
public void entryUpdated (EntryUpdatedEvent event)
|
||||
{
|
||||
serializeAttribute(event.getName());
|
||||
protected void setValue (String field, short value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
public void entryRemoved (EntryRemovedEvent event)
|
||||
{
|
||||
serializeAttribute(event.getName());
|
||||
protected void setValue (String field, int value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
|
||||
public void attributeChanged (AttributeChangedEvent event)
|
||||
{
|
||||
// mirror this configuration update to the on-disk config
|
||||
String key = fieldToKey(event.getName());
|
||||
Object value = event.getValue();
|
||||
|
||||
if (value instanceof Boolean) {
|
||||
config.setValue(key, ((Boolean)value).booleanValue());
|
||||
} else if (value instanceof Short) {
|
||||
config.setValue(key, ((Short)value).shortValue());
|
||||
} else if (value instanceof Integer) {
|
||||
config.setValue(key, ((Integer)value).intValue());
|
||||
} else if (value instanceof Long) {
|
||||
config.setValue(key, ((Long)value).longValue());
|
||||
} else if (value instanceof Float) {
|
||||
config.setValue(key, ((Float)value).floatValue());
|
||||
} else if (value instanceof String) {
|
||||
config.setValue(key, (String)value);
|
||||
} else if (value instanceof float[]) {
|
||||
config.setValue(key, (float[])value);
|
||||
} else if (value instanceof int[]) {
|
||||
config.setValue(key, (int[])value);
|
||||
} else if (value instanceof String[]) {
|
||||
config.setValue(key, (String[])value);
|
||||
} else if (value instanceof long[]) {
|
||||
config.setValue(key, (long[]) value);
|
||||
} else if (value instanceof DSet) {
|
||||
serializeAttribute(event.getName());
|
||||
} else {
|
||||
Log.info("Unable to flush config object change " +
|
||||
"[cobj=" + confObj.getClass().getName() +
|
||||
", key=" + key +
|
||||
", type=" + value.getClass().getName() +
|
||||
", value=" + value + "].");
|
||||
protected void setValue (String field, long value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
protected void setValue (String field, float value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
protected void setValue (String field, String value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
protected void setValue (String field, int[] value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
protected void setValue (String field, float[] value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
protected void setValue (String field, long[] value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
protected void setValue (String field, String[] value) {
|
||||
config.setValue(field, value);
|
||||
}
|
||||
}
|
||||
|
||||
/** Initializes a single field of a config distributed object from
|
||||
* its corresponding value in the associated config repository. */
|
||||
protected void initField (Field field)
|
||||
{
|
||||
String key = fieldToKey(field.getName());
|
||||
Class type = field.getType();
|
||||
|
||||
try {
|
||||
if (type.equals(Boolean.TYPE)) {
|
||||
boolean defval = field.getBoolean(confObj);
|
||||
field.setBoolean(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(Short.TYPE)) {
|
||||
short defval = field.getShort(confObj);
|
||||
defval = (short)config.getValue(key, defval);
|
||||
field.setShort(confObj, defval);
|
||||
|
||||
} else if (type.equals(Integer.TYPE)) {
|
||||
int defval = field.getInt(confObj);
|
||||
field.setInt(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(Long.TYPE)) {
|
||||
long defval = field.getLong(confObj);
|
||||
field.setLong(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(Float.TYPE)) {
|
||||
float defval = field.getFloat(confObj);
|
||||
field.setFloat(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(String.class)) {
|
||||
String defval = (String)field.get(confObj);
|
||||
field.set(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(INT_ARRAY_PROTO.getClass())) {
|
||||
int[] defval = (int[])field.get(confObj);
|
||||
field.set(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(FLOAT_ARRAY_PROTO.getClass())) {
|
||||
float[] defval = (float[])field.get(confObj);
|
||||
field.set(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(STRING_ARRAY_PROTO.getClass())) {
|
||||
String[] defval = (String[])field.get(confObj);
|
||||
field.set(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (type.equals(LONG_ARRAY_PROTO.getClass())) {
|
||||
long[] defval = (long[])field.get(confObj);
|
||||
field.set(confObj, config.getValue(key, defval));
|
||||
|
||||
} else if (Streamable.class.isAssignableFrom(type)) {
|
||||
// don't freak out if the conf is blank.
|
||||
String value = config.getValue(key, "");
|
||||
if (StringUtil.isBlank(value)) {
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
ByteArrayInputStream bin = new ByteArrayInputStream(
|
||||
StringUtil.unhexlate(value));
|
||||
ObjectInputStream oin = new ObjectInputStream(bin);
|
||||
field.set(confObj, oin.readObject());
|
||||
} catch (Exception e) {
|
||||
Log.warning("Failure decoding config value [type=" +
|
||||
type + ", field=" + field + ", exception=" +
|
||||
e + "].");
|
||||
}
|
||||
|
||||
} else {
|
||||
Log.warning("Can't init field of unknown type " +
|
||||
"[cobj=" + confObj.getClass().getName() +
|
||||
", key=" + key +
|
||||
", type=" + type.getName() + "].");
|
||||
}
|
||||
|
||||
} catch (IllegalAccessException iae) {
|
||||
Log.warning("Can't set field " +
|
||||
"[cobj=" + confObj.getClass().getName() +
|
||||
", key=" + key + ", error=" + iae + "].");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts a mixed case field name (for example,
|
||||
* <code>millisPerTick</code>) to a lower case, underscored key
|
||||
* name (in this case, <code>millis_per_tick</code>).
|
||||
*/
|
||||
protected String fieldToKey (String fieldName)
|
||||
{
|
||||
StringBuffer key = new StringBuffer();
|
||||
int flength = fieldName.length();
|
||||
boolean seenLower = false;
|
||||
for (int ii = 0; ii < flength; ii++) {
|
||||
char c = fieldName.charAt(ii);
|
||||
if (Character.isUpperCase(c)) {
|
||||
if (seenLower) {
|
||||
key.append("_");
|
||||
}
|
||||
key.append(Character.toLowerCase(c));
|
||||
seenLower = false;
|
||||
} else {
|
||||
key.append(c);
|
||||
seenLower = true;
|
||||
}
|
||||
}
|
||||
return key.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the specified attribute from the configuration object, and
|
||||
* serialize it.
|
||||
*/
|
||||
protected void serializeAttribute (String attributeName)
|
||||
{
|
||||
String key = fieldToKey(attributeName);
|
||||
Object value;
|
||||
try {
|
||||
value = confObj.getAttribute(attributeName);
|
||||
} catch (ObjectAccessException oae) {
|
||||
Log.warning("Exception getting field [name=" + attributeName +
|
||||
"exception=" + oae + "].");
|
||||
return;
|
||||
}
|
||||
|
||||
if (value instanceof Streamable) {
|
||||
serialize(key, value);
|
||||
} else {
|
||||
Log.info("Unable to flush config object change " +
|
||||
"[cobj=" + confObj.getClass().getName() +
|
||||
", key=" + key +
|
||||
", type=" + value.getClass().getName() +
|
||||
", value=" + value + "].");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Save the specified object as serialized data associated with
|
||||
* the specified key.
|
||||
*/
|
||||
protected void serialize (String key, Object value)
|
||||
{
|
||||
ByteArrayOutInputStream out = new ByteArrayOutInputStream();
|
||||
ObjectOutputStream oout = new ObjectOutputStream(out);
|
||||
try {
|
||||
oout.writeObject(value);
|
||||
oout.flush();
|
||||
config.setValue(key, StringUtil.hexlate(out.toByteArray()));
|
||||
} catch (IOException ioe) {
|
||||
Log.info("Error serializing value " + value);
|
||||
}
|
||||
}
|
||||
|
||||
protected static final int[] INT_ARRAY_PROTO = new int[0];
|
||||
protected static final float[] FLOAT_ARRAY_PROTO = new float[0];
|
||||
protected static final String[] STRING_ARRAY_PROTO = new String[0];
|
||||
protected static final long[] LONG_ARRAY_PROTO = new long[0];
|
||||
}
|
||||
|
||||
/** A mapping from identifying key to config object. */
|
||||
protected HashMap _configs = new HashMap();
|
||||
}
|
||||
|
||||
@@ -0,0 +1,36 @@
|
||||
//
|
||||
// $Id$
|
||||
//
|
||||
// Narya library - tools for developing networked games
|
||||
// Copyright (C) 2002-2006 Three Rings Design, Inc., All Rights Reserved
|
||||
// http://www.threerings.net/code/narya/
|
||||
//
|
||||
// This library is free software; you can redistribute it and/or modify it
|
||||
// under the terms of the GNU Lesser General Public License as published
|
||||
// by the Free Software Foundation; either version 2.1 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public
|
||||
// License along with this library; if not, write to the Free Software
|
||||
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
package com.threerings.admin.server.persist;
|
||||
|
||||
/**
|
||||
* Contains a single datum of configuration information.
|
||||
*/
|
||||
public class ConfigDatum
|
||||
{
|
||||
public String object;
|
||||
public String field;
|
||||
public String value;
|
||||
|
||||
public String toString () {
|
||||
return object + "." + field + "=" + value + "]";
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,107 @@
|
||||
//
|
||||
// $Id$
|
||||
//
|
||||
// Narya library - tools for developing networked games
|
||||
// Copyright (C) 2002-2006 Three Rings Design, Inc., All Rights Reserved
|
||||
// http://www.threerings.net/code/narya/
|
||||
//
|
||||
// This library is free software; you can redistribute it and/or modify it
|
||||
// under the terms of the GNU Lesser General Public License as published
|
||||
// by the Free Software Foundation; either version 2.1 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public
|
||||
// License along with this library; if not, write to the Free Software
|
||||
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
package com.threerings.admin.server.persist;
|
||||
|
||||
import java.sql.Connection;
|
||||
import java.sql.SQLException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
|
||||
import com.samskivert.io.PersistenceException;
|
||||
import com.samskivert.jdbc.ConnectionProvider;
|
||||
import com.samskivert.jdbc.DatabaseLiaison;
|
||||
import com.samskivert.jdbc.JDBCUtil;
|
||||
import com.samskivert.jdbc.JORARepository;
|
||||
import com.samskivert.jdbc.jora.Session;
|
||||
import com.samskivert.jdbc.jora.Table;
|
||||
|
||||
import com.threerings.admin.Log;
|
||||
|
||||
/**
|
||||
* Stores configuration information in a database table.
|
||||
*/
|
||||
public class ConfigRepository extends JORARepository
|
||||
{
|
||||
/** The identifier used when establishing a database connection. */
|
||||
public static final String CONFIG_DB_IDENT = "configdb";
|
||||
|
||||
/**
|
||||
* Constructs a new config repository with the specified connection
|
||||
* provider.
|
||||
*/
|
||||
public ConfigRepository (ConnectionProvider conprov)
|
||||
throws PersistenceException
|
||||
{
|
||||
super(conprov, CONFIG_DB_IDENT);
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads up the configuration data for the specified object.
|
||||
*
|
||||
* @return a map containing field/value pairs for all stored configuration
|
||||
* data.
|
||||
*/
|
||||
public HashMap loadConfig (String object)
|
||||
throws PersistenceException
|
||||
{
|
||||
ArrayList list = loadAll(
|
||||
_ctable, "where OBJECT = " + JDBCUtil.escape(object));
|
||||
HashMap data = new HashMap();
|
||||
for (int ii = 0, ll = list.size(); ii < ll; ii++) {
|
||||
ConfigDatum datum = (ConfigDatum)list.get(ii);
|
||||
data.put(datum.field, datum.value);
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the specified configuration datum.
|
||||
*/
|
||||
public void updateConfig (String object, String field, String value)
|
||||
throws PersistenceException
|
||||
{
|
||||
ConfigDatum datum = new ConfigDatum();
|
||||
datum.object = object;
|
||||
datum.field = field;
|
||||
datum.value = value;
|
||||
store(_ctable, datum);
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
protected void migrateSchema (Connection conn, DatabaseLiaison liaison)
|
||||
throws SQLException, PersistenceException
|
||||
{
|
||||
if (!JDBCUtil.tableExists(conn, "CONFIG")) {
|
||||
Log.info("Creating admin.config schema...");
|
||||
JDBCUtil.loadSchema(conn, "admin/config.sql");
|
||||
}
|
||||
}
|
||||
|
||||
// documentation inherited
|
||||
protected void createTables (Session session)
|
||||
{
|
||||
_ctable = new Table(
|
||||
ConfigDatum.class.getName(), "CONFIG", session, "OBJECT", true);
|
||||
}
|
||||
|
||||
protected Table _ctable;
|
||||
}
|
||||
@@ -0,0 +1,25 @@
|
||||
/**
|
||||
* $Id$
|
||||
*
|
||||
* Schema for the Admin services configuration table.
|
||||
*/
|
||||
|
||||
drop table if exists CONFIG;
|
||||
|
||||
/**
|
||||
* Contains all registered configuration data.
|
||||
*/
|
||||
CREATE TABLE CONFIG
|
||||
(
|
||||
/** The configuration object with which this datum is associated. */
|
||||
OBJECT VARCHAR(255) NOT NULL,
|
||||
|
||||
/** The configuration object field name. */
|
||||
FIELD VARCHAR(255) NOT NULL,
|
||||
|
||||
/** The value of the object field. */
|
||||
VALUE TEXT NOT NULL,
|
||||
|
||||
/** Defines our table keys. */
|
||||
PRIMARY KEY (OBJECT, FIELD)
|
||||
);
|
||||
Reference in New Issue
Block a user