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From fhueske <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2997] Support range partition with user...
Date Fri, 18 Mar 2016 14:31:35 GMT
Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1776#discussion_r56664157
  
    --- Diff: flink-tests/src/test/java/org/apache/flink/test/distribution/TestDataDist.java
---
    @@ -0,0 +1,77 @@
    +/*
    + * 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.flink.test.distribution;
    +
    +import org.apache.flink.api.common.distributions.DataDistribution;
    +import org.apache.flink.api.common.typeinfo.TypeInformation;
    +import org.apache.flink.api.java.typeutils.TypeExtractor;
    +import org.apache.flink.core.memory.DataInputView;
    +import org.apache.flink.core.memory.DataOutputView;
    +
    +import java.io.IOException;
    +
    +/**
    + * The class is used to do the tests of range partition with customed data distribution.
    + */
    +public class TestDataDist implements DataDistribution {
    +
    +	private int dim;
    +
    +	public TestDataDist() {}
    +
    +	/**
    +	 * Constructor of the customized distribution for range partition.
    +	 * @param dim the number of the fields.
    +	 */
    +	public TestDataDist(int dim) {
    +		this.dim = dim;
    +	}
    +
    +	public int getParallelism() {
    +		return 3;
    +	}
    +
    +	@Override
    +	public Object[] getBucketBoundary(int bucketNum, int totalNumBuckets) {
    +		if (dim == 1) {
    +			return new Integer[]{(bucketNum + 1) * 7};
    +		}
    +		return new Integer[]{(bucketNum + 1) * 7, (bucketNum) * 2 + 3};
    +	}
    +
    +	@Override
    +	public int getNumberOfFields() {
    +		return this.dim;
    +	}
    +	
    +	@Override
    +	public TypeInformation[] getKeyTypes() {
    +		return new TypeInformation[]{TypeExtractor.getForClass(Integer.class)};
    --- End diff --
    
    must depend on `dim`


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