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/*
 * 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.spi.copy;

import org.ehcache.spi.serialization.Serializer;
import org.ehcache.spi.service.Service;
import org.ehcache.spi.service.ServiceConfiguration;

/**
 * A {@link Service} providing {@link Copier} instances.
 * 

* The {@code CacheManager} {@link org.ehcache.spi.service.ServiceProvider obtains} an instance of this * {@code Service} prior to creating any {@code Cache} instances. Before creating each {@code Cache} * instance, the {@code CacheManager} calls the * {@link #createKeyCopier(Class, Serializer, ServiceConfiguration[])} and * {@link #createValueCopier(Class, Serializer, ServiceConfiguration[])} methods to obtain * {@code Copier} instances supplied to the {@code Cache}. */ public interface CopyProvider extends Service { /** * Creates a key {@link Copier} with the given parameters. * * @param clazz the class of the type to copy to/from * @param serializer the key serializer configured for the {@code Cache} for which the {@code Copier} is * being created; may be {@code null}. If provided, this serializer may be used * during the copy operation. * @param configs specific configurations * @param the type to copy to/from * @return a non {@code null} {@link Copier} instance */ Copier createKeyCopier(Class clazz, Serializer serializer, ServiceConfiguration... configs); /** * Creates a value {@link Copier} with the given parameters. * * @param clazz the class of the type to copy to/from * @param serializer the value serializer configured for the {@code Cache} for which the {@code Copier} is * being created; may be {@code null}. If provided, this serializer may be used * during the copy operation. * @param configs specific configurations * @param the type to copy to/from * @return a non {@code null} {@link Copier} instance */ Copier createValueCopier(Class clazz, Serializer serializer, ServiceConfiguration... configs); /** * Releases the provided {@link Copier} instance. * If the copier instance is provided by the user, {@link java.io.Closeable#close()} * will not be invoked. * * @param copier the copier instance to be released * @throws Exception when the release fails */ void releaseCopier(Copier copier) throws Exception; }





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