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1   /*
2    * Copyright 2004-2006 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.tuigwaa.database.function;
17  
18  import org.seasar.tuigwaa.model.common.EntityUtils;
19  
20  import com.isenshi.util.functor.UnaryFunction;
21  
22  public class SaveOrUpdateExeFunction extends AbstractExeFunction implements
23  		UnaryFunction {
24  
25  	public Object evaluate(Object obj) {
26  		EntityUtils.setUser(obj);
27  		EntityUtils.setTimestamp(obj);
28  	
29  		if (EntityUtils.hasId(obj) && EntityUtils.manyToMnayFlag(getEntity())) { //update & many-to-many
30  			Object savedObj = getSession().load(getJavaClass(),
31  					EntityUtils.getId(obj));
32  			EntityUtils.copyPropertiesCollectionEscape(obj, savedObj, getEntity());
33  			EntityUtils.bindSelfObject(savedObj, getEntity());
34  			getSession().saveOrUpdate(savedObj);
35  		} else if(EntityUtils.hasId(obj)){ //update
36  			EntityUtils.bindSelfObject(obj, getEntity());
37  			getSession().update(obj);
38  		}else{ //save
39  			EntityUtils.bindSelfObject(obj, getEntity());
40  			save(obj);
41  		}
42  		return null;
43  	}
44  }