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    1   /*
    2    * $Id: AbstractDao.java 476710 2006-11-19 05:05:14Z mrdon $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
   10    * with the License.  You may obtain a copy of the License at
   11    *
   12    *  http://www.apache.org/licenses/LICENSE-2.0
   13    *
   14    * Unless required by applicable law or agreed to in writing,
   15    * software distributed under the License is distributed on an
   16    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   17    * KIND, either express or implied.  See the License for the
   18    * specific language governing permissions and limitations
   19    * under the License.
   20    */
   21   package org.apache.struts2.showcase.dao;
   22   
   23   import java.io.Serializable;
   24   import java.util.Collection;
   25   
   26   import org.apache.struts2.showcase.application.Storage;
   27   import org.apache.struts2.showcase.exception.CreateException;
   28   import org.apache.struts2.showcase.exception.StorageException;
   29   import org.apache.struts2.showcase.exception.UpdateException;
   30   import org.apache.struts2.showcase.model.IdEntity;
   31   
   32   /**
   33    * AbstractDao.
   34    *
   35    */
   36   
   37   public abstract class AbstractDao implements Serializable, Dao {
   38   
   39       private Storage storage;
   40   
   41       public Storage getStorage() {
   42           return storage;
   43       }
   44   
   45       public void setStorage(Storage storage) {
   46           this.storage = storage;
   47       }
   48   
   49       public IdEntity get(Serializable id) {
   50           return getStorage().get(getFeaturedClass(), id);
   51       }
   52   
   53       public Serializable create(IdEntity object) throws CreateException {
   54           return getStorage().create(object);
   55       }
   56   
   57       public IdEntity update(IdEntity object) throws UpdateException {
   58           return getStorage().update(object);
   59       }
   60   
   61       public Serializable merge(IdEntity object) throws StorageException {
   62           return getStorage().merge(object);
   63       }
   64   
   65       public int delete(Serializable id) throws CreateException {
   66           return getStorage().delete(getFeaturedClass(), id);
   67       }
   68   
   69       public int delete(IdEntity object) throws CreateException {
   70           return getStorage().delete(object);
   71       }
   72   
   73       public Collection findAll() {
   74           return getStorage().findAll(getFeaturedClass());
   75       }
   76   
   77   }

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