TailPatriciaTrieNodeAdapter.java

/*
 * Copyright 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;

public class TailPatriciaTrieNodeAdapter implements org.trie4j.Node{
	public TailPatriciaTrieNodeAdapter(TailPatriciaTrieNode node, CharSequence tails){
		this.node = node;
		this.tails = tails;
	}

	public TailPatriciaTrieNode getNode() {
		return node;
	}

	@Override
	public org.trie4j.Node getChild(char c) {
		TailPatriciaTrieNode n = node.getChild(c);
		if(n == null) return null;
		else return new TailPatriciaTrieNodeAdapter(n, tails);
	}
	@Override
	public org.trie4j.Node[] getChildren() {
		TailPatriciaTrieNode[] children = node.getChildren();
		if(children == null) return null;
		org.trie4j.Node[] ret = new org.trie4j.Node[children.length];
		for(int i = 0; i < ret.length; i++){
			ret[i] = new TailPatriciaTrieNodeAdapter(node.getChildren()[i], tails);
		}
		return ret;
	}
	public char getFirstLetter(){
		return node.getFirstLetter();
	}
	@Override
	public char[] getLetters() {
		return node.getLetters(tails);
	}
	@Override
	public boolean isTerminate() {
		return node.isTerminate();
	}
	private TailPatriciaTrieNode node;
	private CharSequence tails;
}