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

Whirled will benefit.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@251 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/stats/data/IntArrayStat.java

@@ -0,0 +1,75 @@
+//
+// $Id$
+
+package com.threerings.stats.data;
+
+import java.io.IOException;
+
+import java.util.Arrays;
+
+import com.samskivert.util.ArrayUtil;
+import com.samskivert.util.StringUtil;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+
+/**
+ * Used to track an integer array statistic.
+ */
+public class IntArrayStat extends Stat
+{
+    /**
+     * Returns the value of this statistic.
+     */
+    public int[] getValue ()
+    {
+        return _value;
+    }
+
+    /**
+     * Sets this statistic's value to the specified value.
+     *
+     * @return true if the stat was modified, false if not.
+     */
+    public boolean setValue (int[] value)
+    {
+        if (!Arrays.equals(_value, value)) {
+            _value = value;
+            _modified = true;
+            return true;
+        }
+        return false;
+    }
+    
+    /**
+     * Appends a value to this statistic.
+     */
+    public void appendValue (int value)
+    {
+        _value = ArrayUtil.append(_value, value);
+        _modified = true;
+    }
+    
+    @Override // documentation inherited
+    public String valueToString ()
+    {
+        return StringUtil.toString(_value);
+    }
+
+    @Override // documentation inherited
+    public void persistTo (ObjectOutputStream out, AuxDataSource aux)
+        throws IOException
+    {
+        out.writeObject(_value);
+    }
+
+    @Override // documentation inherited
+    public void unpersistFrom (ObjectInputStream in, AuxDataSource aux)
+        throws IOException, ClassNotFoundException
+    {
+        _value = (int[])in.readObject();
+    }
+
+    /** Contains the integer list value of this statistic. */
+    protected int[] _value = new int[0];
+}