[Feature] add for new
This commit is contained in:
@@ -1,11 +1,32 @@
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package com.github.houbb.lock.api.core;
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package com.github.houbb.lock.api.core;
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import java.util.concurrent.locks.ReadWriteLock;
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/**
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/**
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* 读写锁定义
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* 读写锁定义接口
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* @author binbin.hou
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* @author binbin.hou
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public interface IReadWriteLock extends ReadWriteLock {
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public interface IReadWriteLock {
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/**
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* 获取读锁
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* @since 0.0.2
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*/
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void lockRead();
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/**
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* 释放读锁
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*/
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void unlockRead();
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/**
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* 获取写锁
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* @since 0.0.2
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*/
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void lockWrite();
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/**
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* 释放写锁
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*/
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void unlockWrite();
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}
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}
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@@ -1,5 +1,6 @@
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package com.github.houbb.lock.redis.core;
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package com.github.houbb.lock.redis.core;
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import com.github.houbb.lock.api.core.IReadWriteLock;
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import com.github.houbb.log.integration.core.Log;
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import com.github.houbb.log.integration.core.Log;
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import com.github.houbb.log.integration.core.LogFactory;
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import com.github.houbb.log.integration.core.LogFactory;
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@@ -9,7 +10,7 @@ import com.github.houbb.log.integration.core.LogFactory;
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* @author binbin.hou
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* @author binbin.hou
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public class LockReadWrite {
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public class LockReadWrite implements IReadWriteLock {
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private static final Log log = LogFactory.getLog(LockReadWrite.class);
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private static final Log log = LogFactory.getLog(LockReadWrite.class);
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@@ -28,13 +29,19 @@ public class LockReadWrite {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public synchronized void lockRead() throws InterruptedException {
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@Override
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// 写锁存在,需要wait
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public synchronized void lockRead() {
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while (!tryLockRead()) {
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try {
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wait();
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// 写锁存在,需要wait
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}
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while (!tryLockRead()) {
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wait();
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}
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readCount++;
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readCount++;
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} catch (InterruptedException e) {
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Thread.interrupted();
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// 忽略打断
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}
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}
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}
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/**
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/**
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@@ -57,6 +64,7 @@ public class LockReadWrite {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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@Override
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public synchronized void unlockRead() {
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public synchronized void unlockRead() {
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readCount--;
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readCount--;
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notifyAll();
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notifyAll();
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@@ -67,14 +75,19 @@ public class LockReadWrite {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public synchronized void lockWrite() throws InterruptedException {
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@Override
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// 写锁存在,需要wait
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public synchronized void lockWrite() {
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while (!tryLockWrite()) {
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try {
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wait();
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// 写锁存在,需要wait
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}
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while (!tryLockWrite()) {
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wait();
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}
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// 此时已经不存在获取写锁的线程了,因此占坑,防止写锁饥饿
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// 此时已经不存在获取写锁的线程了,因此占坑,防止写锁饥饿
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writeCount++;
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writeCount++;
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} catch (InterruptedException e) {
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Thread.interrupted();
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}
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}
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}
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/**
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/**
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@@ -103,6 +116,7 @@ public class LockReadWrite {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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@Override
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public synchronized void unlockWrite() {
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public synchronized void unlockWrite() {
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writeCount--;
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writeCount--;
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notifyAll();
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notifyAll();
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@@ -1,5 +1,6 @@
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package com.github.houbb.lock.redis.core;
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package com.github.houbb.lock.redis.core;
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import com.github.houbb.lock.api.core.IReadWriteLock;
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import com.github.houbb.log.integration.core.Log;
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import com.github.houbb.log.integration.core.Log;
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import com.github.houbb.log.integration.core.LogFactory;
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import com.github.houbb.log.integration.core.LogFactory;
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@@ -13,7 +14,7 @@ import java.util.concurrent.atomic.AtomicReference;
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* @author binbin.hou
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* @author binbin.hou
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public class LockReadWriteOwner {
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public class LockReadWriteOwner implements IReadWriteLock {
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private static final Log log = LogFactory.getLog(LockReadWriteOwner.class);
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private static final Log log = LogFactory.getLog(LockReadWriteOwner.class);
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@@ -42,11 +43,16 @@ public class LockReadWriteOwner {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public synchronized void lockRead() throws InterruptedException {
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@Override
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// 写锁存在,需要wait
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public synchronized void lockRead() {
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while (!tryLockRead()) {
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try {
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log.debug("获取读锁失败,进入等待状态。");
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// 写锁存在,需要wait
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wait();
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while (!tryLockRead()) {
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log.debug("获取读锁失败,进入等待状态。");
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wait();
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}
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} catch (InterruptedException e) {
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Thread.interrupted();
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}
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}
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}
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}
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@@ -75,6 +81,7 @@ public class LockReadWriteOwner {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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@Override
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public synchronized void unlockRead() {
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public synchronized void unlockRead() {
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Thread currentThread = Thread.currentThread();
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Thread currentThread = Thread.currentThread();
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Integer readCount = readCountMap.get(currentThread);
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Integer readCount = readCountMap.get(currentThread);
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@@ -83,6 +90,7 @@ public class LockReadWriteOwner {
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throw new RuntimeException("当前线程未持有任何读锁,释放锁失败!");
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throw new RuntimeException("当前线程未持有任何读锁,释放锁失败!");
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} else {
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} else {
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log.debug("释放读锁,唤醒所有等待线程。");
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log.debug("释放读锁,唤醒所有等待线程。");
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readCountMap.remove(currentThread);
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notifyAll();
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notifyAll();
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}
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}
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}
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}
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@@ -92,14 +100,19 @@ public class LockReadWriteOwner {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public synchronized void lockWrite() throws InterruptedException {
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@Override
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// 写锁存在,需要wait
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public synchronized void lockWrite() {
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while (!tryLockWrite()) {
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try {
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wait();
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// 写锁存在,需要wait
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}
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while (!tryLockWrite()) {
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wait();
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}
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// 此时已经不存在获取写锁的线程了,因此占坑,防止写锁饥饿
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// 此时已经不存在获取写锁的线程了,因此占坑,防止写锁饥饿
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writeCount++;
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writeCount++;
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} catch (InterruptedException e) {
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Thread.interrupted();
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}
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}
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}
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/**
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/**
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@@ -131,6 +144,7 @@ public class LockReadWriteOwner {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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@Override
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public synchronized void unlockWrite() {
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public synchronized void unlockWrite() {
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boolean toNullResult = writeOwner.compareAndSet(Thread.currentThread(), null);
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boolean toNullResult = writeOwner.compareAndSet(Thread.currentThread(), null);
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@@ -1,5 +1,6 @@
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package com.github.houbb.lock.redis.core;
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package com.github.houbb.lock.redis.core;
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import com.github.houbb.lock.api.core.IReadWriteLock;
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import com.github.houbb.log.integration.core.Log;
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import com.github.houbb.log.integration.core.Log;
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import com.github.houbb.log.integration.core.LogFactory;
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import com.github.houbb.log.integration.core.LogFactory;
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@@ -13,7 +14,7 @@ import java.util.concurrent.atomic.AtomicReference;
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* @author binbin.hou
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* @author binbin.hou
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public class LockReadWriteRe {
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public class LockReadWriteRe implements IReadWriteLock {
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private static final Log log = LogFactory.getLog(LockReadWriteRe.class);
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private static final Log log = LogFactory.getLog(LockReadWriteRe.class);
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@@ -42,11 +43,16 @@ public class LockReadWriteRe {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public synchronized void lockRead() throws InterruptedException {
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@Override
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// 写锁存在,需要wait
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public synchronized void lockRead() {
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while (!tryLockRead()) {
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try {
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log.debug("获取读锁失败,进入等待状态。");
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// 写锁存在,需要wait
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wait();
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while (!tryLockRead()) {
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log.debug("获取读锁失败,进入等待状态。");
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wait();
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}
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} catch (InterruptedException e) {
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Thread.interrupted();
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}
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}
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}
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}
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@@ -80,6 +86,7 @@ public class LockReadWriteRe {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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@Override
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public synchronized void unlockRead() {
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public synchronized void unlockRead() {
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Thread currentThread = Thread.currentThread();
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Thread currentThread = Thread.currentThread();
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Integer readCount = readCountMap.get(currentThread);
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Integer readCount = readCountMap.get(currentThread);
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@@ -106,15 +113,20 @@ public class LockReadWriteRe {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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public synchronized void lockWrite() throws InterruptedException {
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@Override
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// 写锁存在,需要wait
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public synchronized void lockWrite() {
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while (!tryLockWrite()) {
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try {
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log.debug("获取写锁失败,进入等待状态。");
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// 写锁存在,需要wait
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wait();
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while (!tryLockWrite()) {
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}
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log.debug("获取写锁失败,进入等待状态。");
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wait();
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}
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// 此时已经不存在获取写锁的线程了,因此占坑,防止写锁饥饿
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// 此时已经不存在获取写锁的线程了,因此占坑,防止写锁饥饿
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writeCount++;
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writeCount++;
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} catch (InterruptedException e) {
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Thread.interrupted();
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}
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}
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}
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/**
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/**
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@@ -152,6 +164,7 @@ public class LockReadWriteRe {
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*
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*
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* @since 0.0.2
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* @since 0.0.2
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*/
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*/
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@Override
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public synchronized void unlockWrite() {
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public synchronized void unlockWrite() {
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Thread currentThread = Thread.currentThread();
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Thread currentThread = Thread.currentThread();
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// 多次重入释放(当次数多于1时直接返回,否则需要释放 owner 信息)
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// 多次重入释放(当次数多于1时直接返回,否则需要释放 owner 信息)
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@@ -173,7 +186,7 @@ public class LockReadWriteRe {
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/**
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/**
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* 释放写锁并且通知
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* 释放写锁并且通知
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*/
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*/
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private void unlockWriteNotify() {
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private synchronized void unlockWriteNotify() {
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writeCount--;
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writeCount--;
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log.debug("释放写锁成功,唤醒所有等待线程。");
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log.debug("释放写锁成功,唤醒所有等待线程。");
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notifyAll();
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notifyAll();
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Reference in New Issue
Block a user