/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.cache;
import java.io.Serializable;
import org.teiid.cache.CacheConfiguration.Policy;
import org.teiid.core.TeiidRuntimeException;
import org.teiid.core.util.LRUCache;
import org.teiid.query.QueryPlugin;
/**
* Provides a non-thread safe simple map backed cache suitable for testing
*/
public class DefaultCacheFactory implements CacheFactory, Serializable {
private static final long serialVersionUID = -5541424157695857527L;
private static CacheConfiguration DEFAULT = new CacheConfiguration(Policy.LRU, 60*60, 100, "default"); // 1 hours with 100 nodes. //$NON-NLS-1$
public static DefaultCacheFactory INSTANCE = new DefaultCacheFactory(DEFAULT);
private volatile boolean destroyed = false;
private CacheConfiguration config;
public DefaultCacheFactory(CacheConfiguration config) {
this.config = config;
}
@Override
public void destroy() {
this.destroyed = true;
}
@Override
public <K, V> Cache<K, V> get(String cacheName) {
if (!destroyed) {
return new MockCache<K, V>(cacheName, config.getMaxEntries());
}
throw new TeiidRuntimeException(QueryPlugin.Event.TEIID30562, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30562));
}
@SuppressWarnings("serial")
private static class MockCache<K, V> extends LRUCache<K, V> implements Cache<K, V> {
private String name;
public MockCache(String cacheName, int maxSize) {
super(maxSize<0?Integer.MAX_VALUE:maxSize);
this.name = cacheName;
}
@Override
public V put(K key, V value, Long ttl) {
return put(key, value);
}
@Override
public String getName() {
return this.name;
}
@Override
public boolean isTransactional() {
return false;
}
}
}