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Extracted the Bang stats system into reusable land. Too late for Yohoho, but

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Whirled will benefit.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@251 c613c5cb-e716-0410-b11b-feb51c14d237
This commit is contained in:
Michael Bayne
2007-03-20 17:23:18 +00:00
parent 6b2b9ecbbb
commit e6ab89f313
14 changed files with 1449 additions and 0 deletions
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src/java/com/threerings/stats/data/StatSet.java
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//
// $Id$
package com.threerings.stats.data;
import java.util.Iterator;
import com.threerings.presents.dobj.DSet;
/**
* A distributed set containing {@link Stat} objects.
*/
public final class StatSet extends DSet<Stat>
{
/** An interface to be implemented by an entity that wishes to be notified when the contents of
* a stat set change. */
public interface Container
{
public void addToStats (Stat stat);
public void updateStats (Stat stat);
}
/** Creates a stat set with the specified contents. */
public StatSet (Iterator<Stat> contents)
{
super(contents);
}
/** Creates a blank stat set. */
public StatSet ()
{
}
/**
* Wires this stat set up to a containing user object. All subsequent modifications will be
* published to the container.
*/
public void setContainer (Container container)
{
_container = container;
}
/**
* Sets an integer statistic in this set.
*
* @exception ClassCastException thrown if the registered type of the specified stat is not an
* {@link IntStat}.
*/
public void setStat (Stat.Type type, int value)
{
IntStat stat = (IntStat)get(type.name());
if (stat == null) {
stat = (IntStat)type.newStat();
stat.setValue(value);
addStat(stat);
} else if (stat.setValue(value)) {
updateStat(stat);
}
}
/**
* Sets an integer stat to the specified value, if it exceeds our existing recorded value.
*
* @exception ClassCastException thrown if the registered type of the specified stat is not an
* {@link IntStat}.
*/
public void maxStat (Stat.Type type, int value)
{
int ovalue = getIntStat(type);
if (value > ovalue) {
setStat(type, value);
}
}
/**
* Increments an integer statistic in this set.
*
* @exception ClassCastException thrown if the registered type of the specified stat is not an
* {@link IntStat}.
*/
public void incrementStat (Stat.Type type, int delta)
{
IntStat stat = (IntStat)get(type.name());
if (stat == null) {
stat = (IntStat)type.newStat();
stat.increment(delta);
addStat(stat);
} else if (stat.increment(delta)) {
updateStat(stat);
}
}
/**
* Appends an integer value to an {@link IntArrayStat}.
*
* @exception ClassCastException thrown if the registered type of the specified stat is not an
* {@link IntArrayStat}.
*/
public void appendStat (Stat.Type type, int value)
{
IntArrayStat stat = (IntArrayStat)get(type.name());
if (stat == null) {
stat = (IntArrayStat)type.newStat();
stat.appendValue(value);
addStat(stat);
} else {
stat.appendValue(value);
updateStat(stat);
}
}
/**
* Adds a string value to a {@link StringSetStat}.
*
* @exception ClassCastException thrown if the registered type of the specified stat is not an
* {@link StringSetStat}.
*/
public void addToSetStat (Stat.Type type, String value)
{
StringSetStat stat = (StringSetStat)get(type.name());
if (stat == null) {
stat = (StringSetStat)type.newStat();
stat.add(value);
addStat(stat);
} else if (stat.add(value)) {
updateStat(stat);
}
}
/**
* Increments a string value in a {@link StringMapStat}.
*
* @exception ClassCastException thrown if the registered type of the specified stat is not an
* {@link StringMapStat}.
*/
public void incrementMapStat (Stat.Type type, String value, int amount)
{
StringMapStat stat = (StringMapStat)get(type.name());
if (stat == null) {
stat = (StringMapStat)type.newStat();
stat.increment(value, amount);
addStat(stat);
} else if (stat.increment(value, amount)) {
updateStat(stat);
}
}
/**
* Returns the current value of the specified integer statistic.
*/
public int getIntStat (Stat.Type type)
{
IntStat stat = (IntStat)get(type.name());
return (stat == null) ? 0 : stat.getValue();
}
/**
* Returns the maximum value by which the specified integer statistic has ever been
* incremented.
*/
public int getMaxIntStat (Stat.Type type)
{
MaxIntStat stat = (MaxIntStat)get(type.name());
return (stat == null) ? 0 : stat.getMaxValue();
}
/**
* Returns the current value of the specified integer array statistic.
*/
public int[] getIntArrayStat (Stat.Type type)
{
IntArrayStat stat = (IntArrayStat)get(type.name());
return (stat == null) ? new int[0] : stat.getValue();
}
/**
* Returns true if the specified {@link StringSetStat} contains the specified value, false
* otherwise.
*/
public boolean containsValue (Stat.Type type, String value)
{
StringSetStat stat = (StringSetStat)get(type.name());
return (stat == null) ? false : stat.contains(value);
}
/**
* Returns the value to which the specified string is mapped in a {@link StringMapStat} or zero
* if the value has not been mapped.
*/
public int getMapValue (Stat.Type type, String value)
{
StringMapStat stat = (StringMapStat)get(type.name());
return (stat == null) ? 0 : stat.get(value);
}
/**
* Don't call this method, it's only needed by some tricky business we do when preventing
* distributed object event generation for all but the bounty criteria related stats.
*/
public void addQuietly (Stat stat)
{
add(stat);
}
protected void addStat (Stat stat)
{
if (_container != null) {
_container.addToStats(stat);
} else {
add(stat);
}
}
protected void updateStat (Stat stat)
{
if (_container != null) {
_container.updateStats(stat);
}
}
protected transient Container _container;
}