ascherbakoff commented on a change in pull request #211: URL: https://github.com/apache/ignite-3/pull/211#discussion_r670410156
########## File path: modules/transactions/src/main/java/org/apache/ignite/internal/tx/Timestamp.java ########## @@ -0,0 +1,84 @@ +/* + * 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.ignite.internal.tx; + +import org.apache.ignite.internal.tostring.S; +import org.jetbrains.annotations.NotNull; + +/** + * The timestamp. + */ +public class Timestamp implements Comparable<Timestamp> { + /** */ + private static long localTime; + + /** */ + private static long cntr; + + /** */ + private final long timestamp; + + /** + * @param timestamp The timestamp. + */ + Timestamp(long timestamp) { + this.timestamp = timestamp; + } + + /** + * @param other Other version. + * @return Comparison result. + */ + @Override public int compareTo(@NotNull Timestamp other) { + int ret = Long.compare(timestamp >> 16 << 16, other.timestamp >> 16 << 16); + + return ret != 0 ? ret : Long.compare(timestamp << 48 >> 48, other.timestamp << 48 >> 48); + } + + @Override public boolean equals(Object o) { + if (!(o instanceof Timestamp)) return false; + + return compareTo((Timestamp) o) == 0; + } + + @Override public int hashCode() { + return (int) (timestamp ^ (timestamp >>> 32)); + } + + /** + * @return Next timestamp (monotonically increasing). + */ + public static synchronized Timestamp nextVersion() { Review comment: https://issues.apache.org/jira/browse/IGNITE-15129 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
