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package org.apache.tapestry.record; |
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import org.apache.hivemind.util.Defense; |
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public class ChangeKey |
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{ |
27 | 0 | private int _hashCode = -1; |
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private String _componentPath; |
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private String _propertyName; |
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public ChangeKey(String componentPath, String propertyName) |
34 | 0 | { |
35 | 0 | Defense.notNull(propertyName, "propertyName"); |
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37 | 0 | _componentPath = componentPath; |
38 | 0 | _propertyName = propertyName; |
39 | 0 | } |
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public boolean equals(Object object) |
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{ |
43 | 0 | if (object == null) |
44 | 0 | return false; |
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46 | 0 | if (this == object) |
47 | 0 | return true; |
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49 | 0 | if (!(object instanceof ChangeKey)) |
50 | 0 | return false; |
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52 | 0 | ChangeKey other = (ChangeKey) object; |
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54 | 0 | return same(_propertyName, other._propertyName) |
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&& same(_componentPath, other._componentPath); |
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} |
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private boolean same(String s1, String s2) |
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{ |
60 | 0 | return s1 == s2 || (s1 != null && s1.equals(s2)); |
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} |
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public String getComponentPath() |
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{ |
65 | 0 | return _componentPath; |
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} |
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public String getPropertyName() |
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{ |
70 | 0 | return _propertyName; |
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} |
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public int hashCode() |
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{ |
79 | 0 | if (_hashCode == -1) |
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{ |
81 | 0 | _hashCode = 31 * 27 + _propertyName.hashCode(); |
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83 | 0 | if (_componentPath != null) |
84 | 0 | _hashCode = 31 * _hashCode + _componentPath.hashCode(); |
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} |
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87 | 0 | return _hashCode; |
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} |
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} |