QueryResponse


1   /* ====================================================================
2    * 
3    * The ObjectStyle Group Software License, version 1.1
4    * ObjectStyle Group - http://objectstyle.org/
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6    * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7    * of the software. All rights reserved.
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24   *    and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
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56  package org.objectstyle.cayenne;
57  
58  import java.io.Serializable  ;
59  import java.util.Collection  ;
60  
61  /**
62   * An interface that encapsulates results of query execution. QueryResponse provides a way
63   * to the caller to process execution results in their own special way. This may be
64   * helpful in cases like stored procedures or query batches, when there is more than one
65   * result. QueryResponse can contain a mix of collections of objects and update counts.
66   * 
67   * @since 1.2
68   * @author Andrus Adamchik
69   */
70  public interface QueryResponse extends Serializable   {
71  
72      /**
73       * Returns a collection of query results in the order they were provided by Cayenne
74       * stack. Collection can contain List objects (for selecting queries) and
75       * java.lang.Number values for the update counts.
76       */
77      Collection   getResults();
78  }
79
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