Clover coverage report - Code Coverage for tapestry release 4.0.1
Coverage timestamp: Fri Mar 31 2006 09:12:14 EST
file stats: LOC: 89   Methods: 6
NCLOC: 47   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
ChangeKey.java 100% 100% 100% 100%
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.record;
 16   
 17    import org.apache.hivemind.util.Defense;
 18   
 19    /**
 20    * Used to identify a property change.
 21    *
 22    * @author Howard Lewis Ship
 23    */
 24   
 25    public class ChangeKey
 26    {
 27    private int _hashCode = -1;
 28   
 29    private String _componentPath;
 30   
 31    private String _propertyName;
 32   
 33  28 public ChangeKey(String componentPath, String propertyName)
 34    {
 35  28 Defense.notNull(propertyName, "propertyName");
 36   
 37  28 _componentPath = componentPath;
 38  28 _propertyName = propertyName;
 39    }
 40   
 41  12 public boolean equals(Object object)
 42    {
 43  12 if (object == null)
 44  2 return false;
 45   
 46  10 if (this == object)
 47  2 return true;
 48   
 49  8 if (!(object instanceof ChangeKey))
 50  2 return false;
 51   
 52  6 ChangeKey other = (ChangeKey) object;
 53   
 54  6 return same(_propertyName, other._propertyName)
 55    && same(_componentPath, other._componentPath);
 56    }
 57   
 58  10 private boolean same(String s1, String s2)
 59    {
 60  10 return s1 == s2 || (s1 != null && s1.equals(s2));
 61    }
 62   
 63  14 public String getComponentPath()
 64    {
 65  14 return _componentPath;
 66    }
 67   
 68  14 public String getPropertyName()
 69    {
 70  14 return _propertyName;
 71    }
 72   
 73    /**
 74    * Returns a hash code computed from the property name and component path.
 75    */
 76   
 77  20 public int hashCode()
 78    {
 79  20 if (_hashCode == -1)
 80    {
 81  18 _hashCode = 31 * 27 + _propertyName.hashCode();
 82   
 83  18 if (_componentPath != null)
 84  16 _hashCode = 31 * _hashCode + _componentPath.hashCode();
 85    }
 86   
 87  20 return _hashCode;
 88    }
 89    }