/*
* Copyright Terracotta, Inc.
*
* 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.ehcache.impl.config.persistence;
import org.ehcache.PersistentUserManagedCache;
import org.ehcache.UserManagedCache;
import org.ehcache.config.builders.UserManagedCacheConfiguration;
import org.ehcache.config.builders.UserManagedCacheBuilder;
import org.ehcache.core.spi.service.LocalPersistenceService;
/**
* Convenience configuration type that enables the {@link UserManagedCacheBuilder} to return a more specific type of
* {@link UserManagedCache}, that is a {@link PersistentUserManagedCache}.
*/
public class UserManagedPersistenceContext<K, V> implements UserManagedCacheConfiguration<K, V, PersistentUserManagedCache<K, V>> {
private final String identifier;
private final LocalPersistenceService persistenceService;
/**
* Creates a new configuration with the provided parameters.
*
* @param identifier the identifier of the cache for the persistence service
* @param persistenceService the local persistence service to use
*/
public UserManagedPersistenceContext(String identifier, LocalPersistenceService persistenceService) {
this.identifier = identifier;
this.persistenceService = persistenceService;
}
/**
* Transforms the builder received in one that returns a {@link PersistentUserManagedCache}.
*/
@Override
@SuppressWarnings("unchecked")
public UserManagedCacheBuilder<K, V, PersistentUserManagedCache<K, V>> builder(UserManagedCacheBuilder<K, V, ? extends UserManagedCache<K, V>> builder) {
return (UserManagedCacheBuilder<K, V, PersistentUserManagedCache<K, V>>) builder.identifier(identifier).using(persistenceService);
}
}