Author: elecharny
Date: Sat Jun 16 09:05:04 2012
New Revision: 1350893
URL: http://svn.apache.org/viewvc?rev=1350893&view=rev
Log:
Added a LongComparator
Added:
labs/mavibot/trunk/mavibot/src/main/java/org/apache/mavibot/btree/comparator/
labs/mavibot/trunk/mavibot/src/main/java/org/apache/mavibot/btree/comparator/LongComparator.java
Added:
labs/mavibot/trunk/mavibot/src/main/java/org/apache/mavibot/btree/comparator/LongComparator.java
URL:
http://svn.apache.org/viewvc/labs/mavibot/trunk/mavibot/src/main/java/org/apache/mavibot/btree/comparator/LongComparator.java?rev=1350893&view=auto
==============================================================================
---
labs/mavibot/trunk/mavibot/src/main/java/org/apache/mavibot/btree/comparator/LongComparator.java
(added)
+++
labs/mavibot/trunk/mavibot/src/main/java/org/apache/mavibot/btree/comparator/LongComparator.java
Sat Jun 16 09:05:04 2012
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.mavibot.btree.comparator;
+
+
+import java.util.Comparator;
+
+/**
+ * Compares Longs
+ *
+ * @author <a href="mailto:[email protected]";>Mavibot labs Project</a>
+ */
+public class LongComparator implements Comparator<Long>
+{
+ /**
+ * Compare two longs.
+ *
+ * @param long1 First long
+ * @param long2 Second long
+ * @return 1 if long1 > long2, 0 if long1 == long2, -1 if long1 < long2
+ */
+ public int compare( Long long1, Long long2 )
+ {
+ if ( long1 == long2 )
+ {
+ return 0;
+ }
+
+ if ( long1 == null )
+ {
+ throw new IllegalArgumentException( "The first object to compare
must not be null" );
+ }
+
+ if ( long2 == null )
+ {
+ throw new IllegalArgumentException( "The second object to compare
must not be null" );
+ }
+
+ return long1.compareTo( long2 );
+ }
+}
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