View Javadoc

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.aggregation;
17  
18  public abstract class AbstractProjectionFunction implements ProjectionFunction{
19  
20  	private String field_;
21  
22  	private String alias_;
23  	
24  	private String displayName_;
25  	
26  	public final String getAlias(){
27  		return alias_;
28  	}
29  	
30  	public final void setAlias(String alias){
31  		this.alias_ = alias;
32  	}
33  	
34  	public final String getField() {
35  		return field_;
36  	}
37  
38  	public final void setField(String field) {
39  		this.field_ = field;
40  	}
41  	
42  	public final String getDisplayName() {
43  		return displayName_;
44  	}
45  
46  	public final void setDisplayName(String displayName) {
47  		this.displayName_ = displayName;
48  	}
49  	
50  	public final Object evaluate(Object obj){
51  		return evaluate((IProjectionList)obj);
52  	}
53  	
54  	public abstract Object evaluate(IProjectionList list);
55  
56  }