org.conqat.lib.commons.cache4j.ECacheThreadSupport Maven / Gradle / Ivy
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Provides common utility functions
/*
* Copyright (c) CQSE GmbH
*
* 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 org.conqat.lib.commons.cache4j;
import org.conqat.lib.commons.cache4j.backend.ICacheBackend;
import org.conqat.lib.commons.factory.IParameterizedFactory;
/**
* Enumeration of strategies for supporting threads.
*/
public enum ECacheThreadSupport {
/** No synchronization. */
NONE,
/** Java synchronization (i.e. single cache with synchronized access). */
SYNCHRONIZED,
/** Thread local implementation, i.e. each thread has a separate cache. */
THREADLOCAL;
/** Factory method for creating a cache from a synchronization strategy. */
public ICache createCache(String name, IParameterizedFactory factory,
ICacheBackend backend) {
switch (this) {
case NONE:
return new BasicCache<>(name, factory, backend);
case SYNCHRONIZED:
return new SynchronizedCache<>(name, factory, backend);
case THREADLOCAL:
return new ThreadLocalCache<>(name, factory, backend);
default:
throw new AssertionError("Unknown enum value: " + this);
}
}
}