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/* 
 * Copyright 2001-2009 Terracotta, Inc. 
 * 
 * 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 io.logspace.jvm.agent.shaded.quartz.simpl;

import java.net.InetAddress;

import io.logspace.jvm.agent.shaded.quartz.SchedulerException;
import io.logspace.jvm.agent.shaded.quartz.spi.InstanceIdGenerator;

/**
 * The default InstanceIdGenerator used by Quartz when instance id is to be
 * automatically generated.  Instance id is of the form HOSTNAME + CURRENT_TIME.
 * 
 * @see InstanceIdGenerator
 * @see HostnameInstanceIdGenerator
 */
public class SimpleInstanceIdGenerator implements InstanceIdGenerator {
    public String generateInstanceId() throws SchedulerException {
        try {
            return InetAddress.getLocalHost().getHostName() + System.currentTimeMillis();
        } catch (Exception e) {
            throw new SchedulerException("Couldn't get host name!", e);
        }
    }
}