/*
 * $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  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.struts2.showcase.application;

import java.io.Serializable;
import java.util.Collection;

import org.apache.struts2.showcase.exception.CreateException;
import org.apache.struts2.showcase.exception.StorageException;
import org.apache.struts2.showcase.exception.UpdateException;
import org.apache.struts2.showcase.model.IdEntity;

/**
 * Storage. Interface.
 *
 */

public interface Storage extends Serializable {
    IdEntity get( Class entityClass, Serializable id );

    Serializable create ( IdEntity object ) throws CreateException;

    IdEntity update ( IdEntity object ) throws UpdateException;

    Serializable merge ( IdEntity object ) throws StorageException;

    int delete( Class entityClass, Serializable id ) throws CreateException;

    int delete( IdEntity object ) throws CreateException;

    Collection findAll( Class entityClass );
}
