actual freya branch

L2J_Server/java/com/l2jserver/util/L2FastMap.java

@@ -0,0 +1,94 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ * 
+ * This program 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 General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * A custom version of HashMap with extension for iterating without using temporary collection<br>
+ * <br>
+ * @author Julian Version 1.0.1 (2008-02-07)<br>
+ *         Changes:<br>
+ *         1.0.0 - Initial version.<br>
+ *         1.0.1 - Made forEachP() final.<br>
+ */
+
+public class L2FastMap<K extends Object, V extends Object> extends HashMap<K, V>
+{
+	static final long serialVersionUID = 1L;
+	
+	/**
+	 * Public inner interface used by ForEach iterations<br>
+	 * @author Julian
+	 */
+	public interface I2ForEach<K, V>
+	{
+		public boolean forEach(K key, V val);
+	}
+	
+	public interface I2ForEachKey<K>
+	{
+		public boolean forEach(K key);
+	}
+	
+	public interface I2ForEachValue<V>
+	{
+		public boolean forEach(V val);
+	}
+	
+	/**
+	 * Public method that iterate entire collection.<br>
+	 * <br>
+	 * @param func - a class method that must be executed on every element of collection.<br>
+	 * @return - returns true if entire collection is iterated, false if it`s been interrupted by<br>
+	 *         check method (I2ForEach.forEach())<br>
+	 */
+	public boolean ForEach(I2ForEach<K, V> func)
+	{
+		for (Map.Entry<K, V> e : entrySet())
+		{
+			if (!func.forEach(e.getKey(), e.getValue()))
+			{
+				return false;
+			}
+		}
+		return true;
+	}
+	
+	public boolean ForEachKey(I2ForEachKey<K> func)
+	{
+		for (K k : keySet())
+		{
+			if (!func.forEach(k))
+			{
+				return false;
+			}
+		}
+		return true;
+	}
+	
+	public boolean ForEachValue(I2ForEachValue<V> func)
+	{
+		for (V v : values())
+		{
+			if (!func.forEach(v))
+			{
+				return false;
+			}
+		}
+		return true;
+	}
+}