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1   /*
2    * ModeShape (http://www.modeshape.org)
3    * See the COPYRIGHT.txt file distributed with this work for information
4    * regarding copyright ownership.  Some portions may be licensed
5    * to Red Hat, Inc. under one or more contributor license agreements.
6    * See the AUTHORS.txt file in the distribution for a full listing of 
7    * individual contributors.
8    *
9    * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
10   * is licensed to you under the terms of the GNU Lesser General Public License as
11   * published by the Free Software Foundation; either version 2.1 of
12   * the License, or (at your option) any later version.
13   * 
14   * ModeShape is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17   * Lesser General Public License for more details.
18   *
19   * You should have received a copy of the GNU Lesser General Public
20   * License along with this software; if not, write to the Free
21   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
23   */
24  package org.modeshape.jcr.api.query.qom;
25  
26  import javax.jcr.query.qom.Constraint;
27  import javax.jcr.query.qom.Source;
28  
29  /**
30   * Represents a typical select-style query.
31   */
32  public interface SelectQuery extends QueryCommand {
33      /**
34       * Gets the node-tuple source for this query.
35       * 
36       * @return the node-tuple source; non-null
37       */
38      public Source getSource();
39  
40      /**
41       * Gets the constraint for this query.
42       * 
43       * @return the constraint, or null if none
44       */
45      public Constraint getConstraint();
46  }