/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF 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.apache.jackrabbit.jcr2spi.config;
/**
* <code>CacheBehaviour</code> defines constants for the various cache
* maintenance strategies. The effective strategy depends on two factors,
* whether the repository implementation supports observation and the behaviour
* provided in the {@link RepositoryConfig}.
*/
public final class CacheBehaviour {
/**
* Cache maintenance is done by invalidating affected items of an operation
* and forcing the jcr2spi implementation to reload the item states when
* they are accessed next time. No event listener is used for cache
* maintenance even though the repository implementation might support
* observation.
*/
public static final CacheBehaviour INVALIDATE = new CacheBehaviour();
/**
* Cache maintenance is done using events from the repository. After an
* operation has been executed on the RepositoryService events are retrieved
* from the repository and the cache is updated based on the returned
* events. This strategy requires that the repository implementation
* supports observation.
*/
public static final CacheBehaviour OBSERVATION = new CacheBehaviour();
private CacheBehaviour() {
}
}