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