com.wl4g.infra.common.locks.AbstractDistributedLock Maven / Gradle / Ivy
/*
* Copyright 2017 ~ 2025 the original author or authors. James Wong
*
* 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 com.wl4g.infra.common.locks;
import static com.wl4g.infra.common.lang.Assert2.hasTextOf;
import static com.wl4g.infra.common.lang.Assert2.isTrueOf;
import static com.wl4g.infra.common.lang.SystemUtils2.GLOBAL_PROCESS_SERIAL;
import java.io.Serializable;
import java.util.concurrent.locks.Lock;
import com.google.common.annotations.Beta;
import lombok.Getter;
import lombok.ToString;
/**
* Abstract distributed lock.
*
* @author James Wong
* @version v1.0 2019年3月21日
* @since
*/
@Beta
@Getter
@ToString(callSuper = true)
public abstract class AbstractDistributedLock implements Lock, Serializable {
private static final long serialVersionUID = -3633610156752730462L;
/** Current locker name. */
protected final String lockName;
/** Current locker request ID. */
protected final String requestId;
/** Current locker expired time(MS). */
protected final long expiredMs;
public AbstractDistributedLock(String lockName, String requestId, long expiredMs) {
isTrueOf(expiredMs > 0, "expiredMs > 0");
this.lockName = hasTextOf(lockName, "lockName");
this.requestId = hasTextOf(requestId, "requestId");
this.expiredMs = expiredMs;
}
/**
* Get current thread unique process ID.
*
*
* Host serial + local processId + threadId
*
*
* @return
*/
public final static String getThreadCurrentProcessId() {
return GLOBAL_PROCESS_SERIAL.concat("-") + Thread.currentThread().getId();
}
}