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/**
 *  Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 *
 *  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.tinygroup.event.central;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import org.tinygroup.event.ServiceInfo;

/**
 * 服务节点
 * 
 * @author luoguo
 */
public final class Node implements Comparable, Serializable {
	/**
     *
     */
	private static final long serialVersionUID = -830350685731524644L;
	// IP地址
	private String ip;
	// 服务端口
	private String port;
	/**
	 * 节点名
	 */
	private String nodeName;
	/**
	 * 分配权重，当一个服务被发现在若干个节点下都提供时，具体调用时，根据权重进行随机分配
	 */
	private int weight;

	private String type;

	public static final String CEP_NODE = "cepnode";
	public static final String CENTRAL_NODE = "centralnode";

	private List serviceInfos;

	public String getType() {
		return type;
	}

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

	public List getServiceInfos() {
		if (serviceInfos == null) {
			serviceInfos = new ArrayList();
		}
		return serviceInfos;
	}

	public void setServiceInfos(List serviceInfos) {
		this.serviceInfos = serviceInfos;
	}

	public String getIp() {
		return ip;
	}

	public void setIp(String ip) {
		this.ip = ip;
	}

	public String getPort() {
		return port;
	}

	public void setPort(String port) {
		this.port = port;
	}

	public Node() {
	}

	public Node(String ip, String port, String nodeName, int weight) {
		this.port = port;
		this.ip = ip;
		this.nodeName = nodeName;
		this.weight = weight;
	}

	public Node(String nodeName, int weight) {
		this.nodeName = nodeName;
		this.weight = weight;
	}

	public int getWeight() {
		return weight;
	}

	public void setWeight(int weight) {
		this.weight = weight;
	}

	public String getNodeName() {
		return nodeName;
	}

	public void setNodeName(String nodeName) {
		this.nodeName = nodeName;
	}

	/**
	 * 比较节点名称
	 */
	public int compareTo(Node node) {
		return nodeName.compareTo(node.nodeName);
	}

	/**
	 * 比较节点名称
	 */
	public boolean equals(Object object) {
		if (object instanceof Node) {
			Node n = (Node) object;
			return this.toString().equals(n.toString());
		}
		return false;
	}

	public int hashCode() {
		return nodeName.hashCode();
	}

	public String toString() {
		return String.format("%s:%s:%s", ip, port, nodeName);
	}

	public static boolean checkEquals(String firstNodeString,
			String secondNodeString) {
		String[] firstNode = firstNodeString.split(":");
		String[] secondNode = secondNodeString.split(":");
		// 两个长度相等，则认为两个格式相同
		// 可能是ip:port:nodeName格式
		// 也可能是nodeName
		if (firstNode.length == secondNode.length) {
			return firstNodeString.equals(secondNodeString);
		}else if(firstNode.length>=3 && secondNode.length ==1){
			return compareNodeString(firstNodeString, firstNode, secondNodeString);
		}else if(firstNode.length==1 && secondNode.length >=3){
			return compareNodeString(secondNodeString, secondNode, firstNodeString);
		}else{
			return false;
		}
		
	}

	private static boolean compareNodeString(String firstNodeString,
			String[] firstNode, String secondNodeString) {
		if (firstNode.length == 3) {
			return firstNode[2].equals(secondNodeString);
		} else {
			String ip = firstNode[0];
			String port = firstNode[1];
			int ipportLength = ip.length() + port.length();
			String computeNodeName = firstNodeString.substring(ipportLength);
			return computeNodeName.equals(secondNodeString);
		}
	}

}