Clover coverage report - Code Coverage for tapestry release 4.0-beta-2
Coverage timestamp: Sat Jul 9 2005 22:02:17 EDT
file stats: LOC: 36   Methods: 0
NCLOC: 4   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ChangeObserver.java - - - -
coverage
 1    // Copyright 2004, 2005 The Apache Software Foundation
 2    //
 3    // Licensed under the Apache License, Version 2.0 (the "License");
 4    // you may not use this file except in compliance with the License.
 5    // You may obtain a copy of the License at
 6    //
 7    // http://www.apache.org/licenses/LICENSE-2.0
 8    //
 9    // Unless required by applicable law or agreed to in writing, software
 10    // distributed under the License is distributed on an "AS IS" BASIS,
 11    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12    // See the License for the specific language governing permissions and
 13    // limitations under the License.
 14   
 15    package org.apache.tapestry.event;
 16   
 17    /**
 18    * May observe changes in an object's properties. This is a "weak" variation
 19    * on JavaBean's style bound properties. It is used when there will be at most
 20    * a single listener on property changes, and that the listener is not interested
 21    * in the old value.
 22    *
 23    * @author Howard Lewis Ship
 24    *
 25    **/
 26   
 27    public interface ChangeObserver
 28    {
 29    /**
 30    * Sent when the observed object changes a property. The event identifies
 31    * the object, the property and the new value.
 32    *
 33    **/
 34   
 35    public void observeChange(ObservedChangeEvent event);
 36    }