/tags/release-0.1-rc2/hive/external/ql/src/java/org/apache/hadoop/hive/ql/udf/UDAFWrongArgLengthForTestCase.java
Java | 72 lines | 34 code | 13 blank | 25 comment | 3 complexity | 191430facbbc0802222577da0f257f1a MD5 | raw file
Possible License(s): Apache-2.0, BSD-3-Clause, JSON, CPL-1.0
- /**
- * 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.hadoop.hive.ql.udf;
- import org.apache.hadoop.hive.ql.exec.UDAF;
- import org.apache.hadoop.hive.ql.exec.UDAFEvaluator;
- import org.apache.hadoop.io.LongWritable;
- import org.apache.hadoop.io.Text;
- /**
- * UDAFWrongArgLengthForTestCase.
- *
- */
- public class UDAFWrongArgLengthForTestCase extends UDAF {
- /**
- * UDAFWrongArgLengthForTestCaseEvaluator.
- *
- */
- public static class UDAFWrongArgLengthForTestCaseEvaluator implements
- UDAFEvaluator {
- private long mCount;
- public UDAFWrongArgLengthForTestCaseEvaluator() {
- super();
- init();
- }
- public void init() {
- mCount = 0;
- }
- Text emptyText = new Text();
- public boolean iterate(Object o) {
- if (o != null && !emptyText.equals(o)) {
- mCount++;
- }
- return true;
- }
- public LongWritable terminatePartial() {
- return new LongWritable(mCount);
- }
- public boolean merge() {
- return true;
- }
- public LongWritable terminate() {
- return new LongWritable(mCount);
- }
- }
- }