BooleanExpression


1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one or more
4    * contributor license agreements.  See the NOTICE file distributed with
5    * this work for additional information regarding copyright ownership.
6    * The ASF licenses this file to You under the Apache License, Version 2.0
7    * (the "License"); you may not use this file except in compliance with
8    * the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.activemq.filter;
19  
20  import javax.jms.JMSException  ;
21  
22  
23  /**
24   * A BooleanExpression is an expression that always
25   * produces a Boolean result.
26   *
27   * @version $Revision: 1.2 $
28   */
29  public interface BooleanExpression extends Expression {
30      
31      /**
32       * @param message
33       * @return true if the expression evaluates to Boolean.TRUE.
34       * @throws JMSException
35       */
36      public boolean matches(MessageEvaluationContext message) throws JMSException  ;
37  
38  }
39

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