org.apache.zookeeper.server.util.ZxidUtils Maven / Gradle / Ivy
/**
* 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.zookeeper.server.util;
public class ZxidUtils {
static public long getEpochFromZxid(long zxid) {
return zxid >> 32L;
}
static public long getCounterFromZxid(long zxid) {
return zxid & 0xffffffffL;
}
static public long makeZxid(long epoch, long counter) {
return (epoch << 32L) | (counter & 0xffffffffL);
}
static public String zxidToString(long zxid) {
return Long.toHexString(zxid);
}
}