View Javadoc

1   /*
2    * Copyright 2006 - 2012 Christina Bohk and Roland Ewald
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, either express or implied. 
13   * See the License for the specific language governing permissions and 
14   * limitations under the License. 
15   */
16  package p3j.database;
17  
18  import java.util.Iterator;
19  
20  import p3j.experiment.results.ResultsOfTrial;
21  
22  /**
23   * Simple iterator for results of a projection.
24   * 
25   * @see ResultsOfTrial
26   * 
27   * @author Christina Bohk
28   * @author Roland Ewald
29   * 
30   */
31  public interface IProjectionResultsIterator extends Iterable<ResultsOfTrial>,
32      Iterator<ResultsOfTrial> {
33  
34  	/**
35  	 * Gets the next result.
36  	 * 
37  	 * @return the next result, null if none is available anymore
38  	 */
39  	ResultsOfTrial getNextResult();
40  
41  }