MDXLookupRule


1   /*
2    * Copyright 2006 Pentaho Corporation.  All rights reserved. 
3    * This software was developed by Pentaho Corporation and is provided under the terms 
4    * of the Mozilla Public License, Version 1.1, or any later version. You may not use 
5    * this file except in compliance with the license. If you need a copy of the license, 
6    * please go to http://www.mozilla.org/MPL/MPL-1.1.txt. The Original Code is the Pentaho 
7    * BI Platform.  The Initial Developer is Pentaho Corporation.
8    *
9    * Software distributed under the Mozilla Public License is distributed on an "AS IS" 
10   * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
11   * the license for the specific language governing your rights and limitations.
12   *
13   * Created Sep 21, 2005 
14   * @author wseyler
15   */
16  
17  package org.pentaho.plugin.mdx;
18  
19  import java.util.Set  ;
20  import org.apache.commons.logging.Log;
21  import org.apache.commons.logging.LogFactory;
22  import org.pentaho.messages.Messages;
23  
24  public class MDXLookupRule extends MDXBaseComponent {
25  
26      /**
27       * 
28       */
29      private static final long serialVersionUID = 7178952532238358504L;
30  
31      public boolean validateSystemSettings() {
32          // This component does not have any system settings to validate
33          return true;
34      }
35  
36      public String   getResultOutputName() {
37          Set   outputs = getOutputNames();
38          if ((outputs == null) || (outputs.size() == 0)) {
39              // if( (outputs == null) || (outputs.size() == 0 ) ||
40              // (outputs.size() > 1 ) ) {
41              error(Messages.getString("Template.ERROR_0002_OUTPUT_COUNT_WRONG")); //$NON-NLS-1$
42              return null;
43          }
44          String   outputName = (String  ) outputs.iterator().next();
45          return outputName;
46      }
47  
48      public Log getLogger() {
49          return LogFactory.getLog(MDXLookupRule.class);
50      }
51  
52      public boolean init() {
53          return true;
54      }
55  }
56
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