svn commit: r1469595 - in /pig/trunk/contrib: CHANGES.txt piggybank/java/src/test/java/org/apache/pig/piggybank/test/evaluation/string/ENDSWITH.java

[ga...@apache.org]

Author: gates
Date: Thu Apr 18 22:12:52 2013
New Revision: 1469595

URL: http://svn.apache.org/r1469595
Log:
PIG-3164 Pig current releases lack a UDF endsWith.This UDF tests if a given string ends with the specified suffix.

Added:
    pig/trunk/contrib/piggybank/java/src/test/java/org/apache/pig/piggybank/test/evaluation/string/ENDSWITH.java
Modified:
    pig/trunk/contrib/CHANGES.txt

Modified: pig/trunk/contrib/CHANGES.txt
URL: http://svn.apache.org/viewvc/pig/trunk/contrib/CHANGES.txt?rev=1469595&r1=1469594&r2=1469595&view=diff
==============================================================================
--- pig/trunk/contrib/CHANGES.txt (original)
+++ pig/trunk/contrib/CHANGES.txt Thu Apr 18 22:12:52 2013
@@ -24,6 +24,8 @@ INCOMPATIBLE CHANGES
 
 IMPROVEMENTS
 
+PIG-3164 Pig current releases lack a UDF endsWith.This UDF tests if a given string ends with the specified suffix. (Anuroopa George via gates)
+
 PIG-2909 Add a new option for ignoring corrupted files to AvroStorage load func (cheolsoo via gates)
 
 PIG-2202 AvroStorage doesn't work with Avro 1.5.1 (billgraham via gates)

Added: pig/trunk/contrib/piggybank/java/src/test/java/org/apache/pig/piggybank/test/evaluation/string/ENDSWITH.java
URL: http://svn.apache.org/viewvc/pig/trunk/contrib/piggybank/java/src/test/java/org/apache/pig/piggybank/test/evaluation/string/ENDSWITH.java?rev=1469595&view=auto
==============================================================================
--- pig/trunk/contrib/piggybank/java/src/test/java/org/apache/pig/piggybank/test/evaluation/string/ENDSWITH.java (added)
+++ pig/trunk/contrib/piggybank/java/src/test/java/org/apache/pig/piggybank/test/evaluation/string/ENDSWITH.java Thu Apr 18 22:12:52 2013
@@ -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.pig.piggybank.test.evaluation.string;	
+	
+import java.util.ArrayList;	
+import java.util.List;	
+import org.apache.pig.EvalFunc;	
+import org.apache.pig.FuncSpec;	
+import org.apache.pig.data.DataType;	
+import org.apache.pig.data.Tuple;	
+import org.apache.pig.backend.executionengine.ExecException;	
+import org.apache.pig.impl.logicalLayer.FrontendException;	
+import org.apache.pig.impl.logicalLayer.schema.Schema;	
+	
+/**	
+ * Pig UDF to test input <code>tuple.get(0)</code> against <code>tuple.get(1)</code>	
+ * to determine if the first argument ends with the string in the second.	
+ */	
+public class ENDSWITH extends EvalFunc<Boolean> throws ExecException{	
+    @Override	
+    public Boolean exec(Tuple tuple) {	
+        if (tuple == null || tuple.size() != 2) {	
+            return null;	
+        }	
+        String argument = null;	
+        String testAgainst = null;	
+        argument = (String) tuple.get(0);	
+        testAgainst = (String) tuple.get(1);	
+        return argument.endsWith(testAgainst);	
+        	
+    }	
+	
+    @Override	
+    public List<FuncSpec> getArgToFuncMapping() throws FrontendException {	
+        List<FuncSpec> funcList = new ArrayList<FuncSpec>();	
+        Schema s = new Schema();	
+        s.add(new Schema.FieldSchema(null, DataType.CHARARRAY));	
+        s.add(new Schema.FieldSchema(null, DataType.CHARARRAY));	
+        funcList.add(new FuncSpec(this.getClass().getName(), s));	
+        return funcList;	
+    }	
+}