Revision: 3864
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=3864&view=rev
Author: kirdie
Date: 2012-11-02 14:24:44 +0000 (Fri, 02 Nov 2012)
Log Message:
-----------
added Comparable interface, equals and hashcode.
Modified Paths:
--------------
branches/hmm/components-ext/src/main/java/org/dllearner/common/index/IndexResultItem.java
Modified: branches/hmm/components-ext/src/main/java/org/dllearner/common/index/IndexResultItem.java
===================================================================
--- branches/hmm/components-ext/src/main/java/org/dllearner/common/index/IndexResultItem.java 2012-11-01 10:22:25 UTC (rev 3863)
+++ branches/hmm/components-ext/src/main/java/org/dllearner/common/index/IndexResultItem.java 2012-11-02 14:24:44 UTC (rev 3864)
@@ -3,7 +3,10 @@
import java.util.Collections;
import java.util.Map;
-public class IndexResultItem {
+/** Natural ordering is negated natural order of scores (highest to lowest score) if score is different, else lexical order of urls if urls are equal else lexical ordering of labels.
+ * This keeps the ordering consistent with equals and hashCode because those ignore the fields too. **/
+public class IndexResultItem implements Comparable<IndexResultItem>
+{
private final String uri;
private final String label;
private final float score;
@@ -26,9 +29,52 @@
public float getScore() {return score;}
public Map<String,? extends Object> getFields() {return fields;}
- @Override public String toString()
+ @Override public String toString() {return "label:" + label + "--uri:" + uri + "--fields:" + fields;}
+
+ @Override public int compareTo(IndexResultItem item)
{
- // TODO Auto-generated method stub
- return "label:" + label + "--uri:" + uri + "--fields:" + fields;
+ int i;
+ i = -Float.compare(this.score, item.score);
+ if(i!=0) return i;
+ i = this.uri.compareTo(item.uri);
+ if(i!=0) return i;
+ i = this.label.compareTo(item.label);
+ return i;
}
-}
+
+ @Override public int hashCode()
+ {
+ final int prime = 31;
+ int result = 1;
+// result = prime * result + ((fields == null) ? 0 : fields.hashCode());
+ result = prime * result + ((label == null) ? 0 : label.hashCode());
+ result = prime * result + Float.floatToIntBits(score);
+ result = prime * result + ((uri == null) ? 0 : uri.hashCode());
+ return result;
+ }
+
+ @Override public boolean equals(Object obj)
+ {
+ if (this == obj) return true;
+ if (obj == null) return false;
+ if (getClass() != obj.getClass()) return false;
+ IndexResultItem other = (IndexResultItem) obj;
+// if (fields == null)
+// {
+// if (other.fields != null) return false;
+// }
+// else if (!fields.equals(other.fields)) return false;
+ if (label == null)
+ {
+ if (other.label != null) return false;
+ }
+ else if (!label.equals(other.label)) return false;
+ if (Float.floatToIntBits(score) != Float.floatToIntBits(other.score)) return false;
+ if (uri == null)
+ {
+ if (other.uri != null) return false;
+ }
+ else if (!uri.equals(other.uri)) return false;
+ return true;
+ }
+}
\ No newline at end of file
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