X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=datarouter-node%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fnode%2FPublishId.java;fp=datarouter-node%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fnode%2FPublishId.java;h=fa285b271e723a5ffe83c1989c602a6f8c4a3da9;hb=e4b20cc6f7c31f48ddd0de5bcd054b09a35cd510;hp=0000000000000000000000000000000000000000;hpb=315f5603d8e42969a13d985ca8bb50146e82325a;p=dmaap%2Fdatarouter.git diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PublishId.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PublishId.java new file mode 100644 index 00000000..fa285b27 --- /dev/null +++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PublishId.java @@ -0,0 +1,52 @@ +/******************************************************************************* + * ============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 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); + } +}