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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * 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.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.dmaap.datarouter.node;
/**
* Generate publish IDs.
*/
public class PublishId {
private long nextuid;
private final String myname;
/**
* Generate publish IDs for the specified name.
*
* @param myname Unique identifier for this publish ID generator (usually fqdn of server)
*/
public PublishId(String myname) {
this.myname = myname;
}
/**
* Generate a Data Router Publish ID that uniquely identifies the particular invocation of the Publish API for log
* correlation purposes.
*/
public synchronized String next() {
long now = System.currentTimeMillis();
if (now < nextuid) {
now = nextuid;
}
nextuid = now + 1;
return (now + "." + myname);
}
}
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