/*
 * Copyright (C) 2012 Takao Nakaguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.trie4j.patricia;

import java.io.Serializable;

public class MapPatriciaTrieNode<T>
extends PatriciaTrieNode
implements Serializable, org.trie4j.MapNode<T>{
	public MapPatriciaTrieNode() {
		super(new char[]{}, false, emptyChildren);
	}

	public MapPatriciaTrieNode(char[] letters, boolean terminated) {
		super(letters, terminated, emptyChildren);
	}

	public MapPatriciaTrieNode(char[] letters, boolean terminated, T value) {
		super(letters, terminated, emptyChildren);
		this.value = value;
	}

	public MapPatriciaTrieNode(char[] letters, boolean terminated, MapPatriciaTrieNode<T>[] children) {
		super(letters, terminated, children);
	}
	
	public MapPatriciaTrieNode(char[] letters, boolean terminated, MapPatriciaTrieNode<T>[] children, T value) {
		super(letters, terminated, children);
		this.value = value;
	}
	
	public T getValue(){
		return value;
	}

	public void setValue(T value){
		this.value = value;
	}

	@Override
	@SuppressWarnings("unchecked")
	public MapPatriciaTrieNode<T> getChild(char c) {
		return (MapPatriciaTrieNode<T>)super.getChild(c);
	}

	@Override
	@SuppressWarnings("unchecked")
	public MapPatriciaTrieNode<T>[] getChildren() {
		return (MapPatriciaTrieNode<T>[])super.getChildren();
	}

	@Override
	public void setChildren(PatriciaTrieNode[] children) {
		super.setChildren(children);
	}

	public void setChildren(MapPatriciaTrieNode<T>[] children) {
		super.setChildren(children);
	}

	@Override
	@SuppressWarnings("rawtypes")
	public PatriciaTrieNode addChild(int index, PatriciaTrieNode n){
		MapPatriciaTrieNode[] newc = new MapPatriciaTrieNode[getChildren().length + 1];
		System.arraycopy(getChildren(), 0, newc, 0, index);
		newc[index] = (MapPatriciaTrieNode)n;
		System.arraycopy(getChildren(), index, newc, index + 1, getChildren().length - index);
		super.setChildren(newc);
		return this;
	}

	private T value;
	@SuppressWarnings("rawtypes")
	private static MapPatriciaTrieNode[] emptyChildren = {};
	private static final long serialVersionUID = 8611758181642617230L;
}