package org.apache.ibatis.cache.decorators;
import org.apache.ibatis.cache.Cache;
import java.util.concurrent.locks.ReadWriteLock;
public class SynchronizedCache implements Cache {
private Cache delegate;
public SynchronizedCache(Cache delegate) {
this.delegate = delegate;
}
public String getId() {
return delegate.getId();
}
public int getSize() {
acquireReadLock();
try {
return delegate.getSize();
} finally {
releaseReadLock();
}
}
public void putObject(Object key, Object object) {
acquireWriteLock();
try {
delegate.putObject(key, object);
} finally {
releaseWriteLock();
}
}
public Object getObject(Object key) {
acquireReadLock();
try {
return delegate.getObject(key);
} finally {
releaseReadLock();
}
}
public Object removeObject(Object key) {
acquireWriteLock();
try {
return delegate.removeObject(key);
} finally {
releaseWriteLock();
}
}
public void clear() {
acquireWriteLock();
try {
delegate.clear();
} finally {
releaseWriteLock();
}
}
public ReadWriteLock getReadWriteLock() {
return delegate.getReadWriteLock();
}
public int hashCode() {
return delegate.hashCode();
}
public boolean equals(Object obj) {
return delegate.equals(obj);
}
private void acquireReadLock() {
getReadWriteLock().readLock().lock();
}
private void releaseReadLock() {
getReadWriteLock().readLock().unlock();
}
private void acquireWriteLock() {
getReadWriteLock().writeLock().lock();
}
private void releaseWriteLock() {
getReadWriteLock().writeLock().unlock();
}
}
|