net.oschina.j2cache.hibernate4.regions.J2CacheTransactionalDataRegion Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of j2cache-hibernate4 Show documentation
J2Cache - hibernate4
The newest version!
/**
 * Copyright (c) 2015-2017.
 * 
 * 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 net.oschina.j2cache.hibernate4.regions;

import net.oschina.j2cache.CacheObject;
import net.oschina.j2cache.hibernate4.CacheRegion;
import net.oschina.j2cache.hibernate4.strategy.J2CacheAccessStrategyFactory;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.cache.spi.TransactionalDataRegion;
import org.hibernate.cfg.Settings;

import java.util.Properties;

public class J2CacheTransactionalDataRegion extends J2CacheDataRegion implements TransactionalDataRegion {

    private final Settings settings;

    protected final CacheDataDescription metadata;

    J2CacheTransactionalDataRegion(J2CacheAccessStrategyFactory accessStrategyFactory, CacheRegion cache, Settings settings, CacheDataDescription metadata, Properties properties) {
        super(accessStrategyFactory, cache, properties);
        this.settings = settings;
        this.metadata = metadata;
    }

    public Settings getSettings() {
        return settings;
    }

    @Override
    public boolean isTransactionAware() {
        return false;
    }

    @Override
    public CacheDataDescription getCacheDataDescription() {
        return metadata;
    }

    public final Object get(Object key) {
        CacheObject object = getCache().get(key);
        return object != null ? object.getValue() : null;
    }

    public final void put(Object key, Object value) throws CacheException {
        try {
            getCache().put(key, value);
        } catch (IllegalArgumentException e) {
            throw new CacheException(e);
        } catch (IllegalStateException e) {
            throw new CacheException(e);
        }
    }

    public final void remove(Object key) throws CacheException {
        try {
            getCache().evict(key);
        } catch (ClassCastException e) {
            throw new CacheException(e);
        } catch (IllegalStateException e) {
            throw new CacheException(e);
        }
    }

    public final void clear() throws CacheException {
        try {
            getCache().clear();
        } catch (IllegalStateException e) {
            throw new CacheException(e);
        }
    }

    public final void writeLock(Object key) throws CacheException {
    }

    public final void writeUnlock(Object key) throws CacheException {
    }

    public final void readLock(Object key) throws CacheException {
    }

    public final void readUnlock(Object key) throws CacheException {

    }

    public final boolean locksAreIndependentOfCache() {
        return false;
    }

}