/*
* Copyright (c) 2005-2011, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.clustering.hazelcast.jsr107;
import javax.cache.Cache;
import javax.cache.CacheBuilder;
import javax.cache.CacheConfiguration;
import javax.cache.CacheLoader;
import javax.cache.CacheWriter;
import javax.cache.Caching;
import javax.cache.InvalidConfigurationException;
import javax.cache.OptionalFeature;
import javax.cache.event.CacheEntryListener;
import javax.cache.transaction.IsolationLevel;
import javax.cache.transaction.Mode;
/**
* TODO: class description
*/
public class CacheBuilderImpl<K, V> implements CacheBuilder<K, V> {
private CacheConfigurationImpl cacheConfiguration = new CacheConfigurationImpl();
private String cacheName;
private HazelcastCacheManager cacheManager;
private CacheImpl<K, V> cache;
public CacheBuilderImpl(String cacheName, HazelcastCacheManager cacheManager) {
this.cacheName = cacheName;
this.cacheManager = cacheManager;
}
@Override
public Cache<K, V> build() {
synchronized (cacheName.intern()) {
cache = (CacheImpl<K, V>) cacheManager.getExistingCache(cacheName);
if (cache == null) {
cache = new CacheImpl<K, V>(cacheName, cacheManager);
//TODO: set the tenant info
cache.setCacheConfiguration(cacheConfiguration);
cacheManager.addCache(cache);
}
}
return cache;
}
@Override
public CacheBuilder<K, V> setCacheLoader(CacheLoader<K, ? extends V> cacheLoader) {
cacheConfiguration.setCacheLoader(cacheLoader);
return this;
}
@Override
public CacheBuilder<K, V> setCacheWriter(CacheWriter<? super K, ? super V> cacheWriter) {
cacheConfiguration.setCacheWriter(cacheWriter);
return this;
}
@Override
public CacheBuilder<K, V> registerCacheEntryListener(CacheEntryListener<K, V> cacheEntryListener) {
cache.registerCacheEntryListener(cacheEntryListener);
return this;
}
@Override
public CacheBuilder<K, V> setStoreByValue(boolean storeByValue) {
if (!storeByValue && !Caching.isSupported(OptionalFeature.STORE_BY_REFERENCE)) {
throw new InvalidConfigurationException("storeByValue");
}
cacheConfiguration.setStoreByValue(storeByValue);
return this;
}
@Override
public CacheBuilder<K, V> setTransactionEnabled(IsolationLevel isolationLevel, Mode mode) {
if (!Caching.isSupported(OptionalFeature.TRANSACTIONS)) {
throw new InvalidConfigurationException("transactionsEnabled");
}
cacheConfiguration.setTransactionMode(mode);
cacheConfiguration.setIsolationLevel(isolationLevel);
return this;
}
@Override
public CacheBuilder<K, V> setStatisticsEnabled(boolean enableStatistics) {
cacheConfiguration.setStatisticsEnabled(enableStatistics);
return this;
}
@Override
public CacheBuilder<K, V> setReadThrough(boolean readThrough) {
cacheConfiguration.setReadThrough(readThrough);
return this;
}
@Override
public CacheBuilder<K, V> setWriteThrough(boolean writeThrough) {
cacheConfiguration.setWriteThrough(writeThrough);
return this;
}
@Override
public CacheBuilder<K, V> setExpiry(CacheConfiguration.ExpiryType type,
CacheConfiguration.Duration duration) {
if (type == null) {
throw new NullPointerException("ExpiryType cannot be null");
}
if (duration == null) {
throw new NullPointerException("Duration cannot be null");
}
cacheConfiguration.setExpiry(duration.getDurationAmount(), duration.getTimeUnit(), type);
return this;
}
}