Coverage report

  %line %branch
org.apache.commons.jexl.util.AbstractExecutor
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 1  
 /*
 2  
  * Copyright 2000-2001,2004 The Apache Software Foundation.
 3  
  *
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  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *      http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */
 16  
 
 17  
 package org.apache.commons.jexl.util;
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 20  
 import java.lang.reflect.InvocationTargetException;
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 import java.lang.reflect.Method;
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 23  
 import org.apache.commons.logging.Log;
 24  
 
 25  
 /**
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  * Abstract class that is used to execute an arbitrary
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  * method that is in introspected. This is the superclass
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  * for the GetExecutor and PropertyExecutor.
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  *
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  * @since 1.0
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  * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
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  * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
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  * @version $Id: AbstractExecutor.java 398171 2006-04-29 14:57:29Z dion $
 34  
  */
 35  54
 public abstract class AbstractExecutor {
 36  
     /** The executor instance log. */
 37  27
     protected Log rlog = null;
 38  
     
 39  
     /**
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      * Method to be executed.
 41  
      */
 42  27
     protected Method method = null;
 43  
     
 44  
     /**
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      * Execute method against context.
 46  
      *
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      * @param o The owner.
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      * @return The return value.
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      * @throws IllegalAccessException Method is inaccessible.
 50  
      * @throws InvocationTargetException Method body throws an exception.
 51  
      */
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      public abstract Object execute(Object o)
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          throws IllegalAccessException, InvocationTargetException;
 54  
 
 55  
     /**
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      * Tell whether the executor is alive by looking
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      * at the value of the method.
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      *
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      * @return boolean Whether the executor is alive.
 60  
      */
 61  
     public boolean isAlive() {
 62  46
         return (method != null);
 63  
     }
 64  
 
 65  
     /**
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      * Get the method to be executed.
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      *
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      * @return Method The method to be executed.
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      */
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     public Method getMethod() {
 71  0
         return method;
 72  
     }
 73  
 }

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