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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.query.qom;
25  
26  import javax.jcr.query.qom.DynamicOperand;
27  import org.modeshape.graph.query.model.ArithmeticOperand;
28  import org.modeshape.graph.query.model.ArithmeticOperator;
29  import org.modeshape.jcr.api.query.qom.QueryObjectModelConstants;
30  
31  /**
32   * 
33   */
34  public class JcrArithmeticOperand extends ArithmeticOperand
35      implements org.modeshape.jcr.api.query.qom.ArithmeticOperand, JcrDynamicOperand {
36  
37      private static final long serialVersionUID = 1L;
38  
39      /**
40       * Create a arithmetic dynamic operand that operates upon the supplied operand(s).
41       * 
42       * @param left the left-hand-side operand
43       * @param operator the arithmetic operator; may not be null
44       * @param right the right-hand-side operand
45       * @throws IllegalArgumentException if any of the arguments is null
46       */
47      public JcrArithmeticOperand( JcrDynamicOperand left,
48                                   ArithmeticOperator operator,
49                                   JcrDynamicOperand right ) {
50          super(left, operator, right);
51  
52      }
53  
54      /**
55       * {@inheritDoc}
56       * 
57       * @see org.modeshape.graph.query.model.ArithmeticOperand#left()
58       */
59      @Override
60      public JcrDynamicOperand left() {
61          return (JcrDynamicOperand)super.left();
62      }
63  
64      /**
65       * {@inheritDoc}
66       * 
67       * @see org.modeshape.graph.query.model.ArithmeticOperand#right()
68       */
69      @Override
70      public JcrDynamicOperand right() {
71          return (JcrDynamicOperand)super.right();
72      }
73  
74      /**
75       * {@inheritDoc}
76       * 
77       * @see org.modeshape.jcr.api.query.qom.ArithmeticOperand#getLeft()
78       */
79      @Override
80      public DynamicOperand getLeft() {
81          return left();
82      }
83  
84      /**
85       * {@inheritDoc}
86       * 
87       * @see org.modeshape.jcr.api.query.qom.ArithmeticOperand#getRight()
88       */
89      @Override
90      public DynamicOperand getRight() {
91          return right();
92      }
93  
94      /**
95       * {@inheritDoc}
96       * 
97       * @see org.modeshape.jcr.api.query.qom.ArithmeticOperand#getOperator()
98       */
99      @Override
100     public String getOperator() {
101         switch (operator()) {
102             case ADD:
103                 return QueryObjectModelConstants.JCR_ARITHMETIC_OPERATOR_ADD;
104             case DIVIDE:
105                 return QueryObjectModelConstants.JCR_ARITHMETIC_OPERATOR_DIVIDE;
106             case MULTIPLY:
107                 return QueryObjectModelConstants.JCR_ARITHMETIC_OPERATOR_MULTIPLY;
108             case SUBTRACT:
109                 return QueryObjectModelConstants.JCR_ARITHMETIC_OPERATOR_SUBTRACT;
110         }
111         assert false;
112         return null;
113     }
114 
115 }