/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.shardingsphere.elasticjob.infra.handler.sharding;

import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import org.apache.shardingsphere.elasticjob.infra.env.IpUtils;

import java.lang.management.ManagementFactory;

/**
 * Job instance.
 */
@RequiredArgsConstructor
@Getter
@EqualsAndHashCode(of = "jobInstanceId")
public final class JobInstance {
    
    private static final String DELIMITER = "@-@";
    
    private final String jobInstanceId;
    
    public JobInstance() {
        jobInstanceId = IpUtils.getIp() + DELIMITER + ManagementFactory.getRuntimeMXBean().getName().split("@")[0];
    }
    
    /**
     * Get server IP address.
     * 
     * @return server IP address
     */
    public String getIp() {
        return jobInstanceId.substring(0, jobInstanceId.indexOf(DELIMITER));
    }
}