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/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * 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 com.generallycloud.baseio.codec.redis.future;

public class RedisNode {

	private char		type;

	private Object		value;

	private RedisNode	parent;

	private RedisNode[]	children;

	private RedisNode	next;
	
	public RedisNode() {
	}

	public RedisNode(RedisNode parent) {
		this.parent = parent;
	}

	public Object getValue() {
		return value;
	}

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

	public RedisNode getParent() {
		return parent;
	}

	public void setParent(RedisNode parent) {
		this.parent = parent;
	}

	public RedisNode[] getChildren() {
		return children;
	}

	// public void setChildren(RedisNode[] children) {
	// this.children = children;
	// }

	public RedisNode getNext() {
		return next;
	}

	public void setNext(RedisNode next) {
		this.next = next;
	}

	public char getType() {
		return type;
	}

	public void setType(char type) {
		this.type = type;
	}

	public RedisNode deepNext() {

		if (next == null) {

			if (parent == null) {
				return null;
			}

			return parent.deepNext();
		}

		return next;
	}

	public void createChildren(int size) {

		this.children = new RedisNode[size];

		RedisNode last = null;

		for (int i = 0; i < size; i++) {

			RedisNode n = new RedisNode(this);

			if (last == null) {
				last = n;
			} else {
				last.setNext(n);
				last = n;
			}

			children[i] = n;
		}
	}
	
	@Override
	public String toString() {
		
		if (value == null) {
			
			StringBuilder b = new StringBuilder();
			
			for (int i = 0; i < children.length; i++) {
				b.append(children[i].toString());
				b.append(";");
			}
			
			return b.toString();
		}
		
		return String.valueOf(value);
	}

}