CubeSampleUDF.java 1.1 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. package com.cloudera.beeswax;
  17. import org.apache.hadoop.hive.ql.exec.UDF;
  18. import org.apache.hadoop.io.IntWritable;
  19. /**
  20. * Sample (for testing) UDF which returns x^3.
  21. */
  22. public class CubeSampleUDF extends UDF {
  23. public long evaluate(long x) {
  24. return x*x*x;
  25. }
  26. public long evaluate(IntWritable y) {
  27. int x = y.get();
  28. return x*x*x;
  29. }
  30. }