Author: simonetripodi
Date: Thu Jun 16 18:59:10 2011
New Revision: 1136601
URL: http://svn.apache.org/viewvc?rev=1136601&view=rev
Log:
implemented equals/hashCode methods
Modified:
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/model/BaseLabeledEdge.java
Modified:
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/model/BaseLabeledEdge.java
URL:
http://svn.apache.org/viewvc/commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/model/BaseLabeledEdge.java?rev=1136601&r1=1136600&r2=1136601&view=diff
==============================================================================
---
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/model/BaseLabeledEdge.java
(original)
+++
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/model/BaseLabeledEdge.java
Thu Jun 16 18:59:10 2011
@@ -69,6 +69,83 @@ public class BaseLabeledEdge<V extends L
* {@inheritDoc}
*/
@Override
+ public int hashCode()
+ {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ( ( head == null ) ? 0 : head.hashCode() );
+ result = prime * result + ( ( label == null ) ? 0 : label.hashCode() );
+ result = prime * result + ( ( tail == null ) ? 0 : tail.hashCode() );
+ return result;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean equals( Object obj )
+ {
+ if ( this == obj )
+ {
+ return true;
+ }
+
+ if ( obj == null )
+ {
+ return false;
+ }
+
+ if ( getClass() != obj.getClass() )
+ {
+ return false;
+ }
+
+ @SuppressWarnings( "unchecked" ) // etherogeneous edges won't be tested
+ BaseLabeledEdge<V> other = (BaseLabeledEdge<V>) obj;
+
+ if ( head == null )
+ {
+ if ( other.getHead() != null )
+ {
+ return false;
+ }
+ }
+ else if ( !head.equals( other.getHead() ) )
+ {
+ return false;
+ }
+
+ if ( tail == null )
+ {
+ if ( other.getTail() != null )
+ {
+ return false;
+ }
+ }
+ else if ( !tail.equals( other.getTail() ) )
+ {
+ return false;
+ }
+
+ if ( label == null )
+ {
+ if ( other.getLabel() != null )
+ {
+ return false;
+ }
+ }
+ else if ( !label.equals( other.label ) )
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
public String toString()
{
return format( "Edge(label=%s, head=%s, tail=%s)", label,
head.getLabel(), tail.getLabel() );
