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From fhueske <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2105] Implement Sort-Merge Outer Join a...
Date Wed, 15 Jul 2015 13:15:55 GMT
Github user fhueske commented on a diff in the pull request:

    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/operators/sort/AbstractMergeMatchIterator.java
    @@ -0,0 +1,107 @@
    + * 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.runtime.operators.sort;
    +import org.apache.flink.api.common.functions.FlatJoinFunction;
    +import org.apache.flink.api.common.typeutils.TypeComparator;
    +import org.apache.flink.api.common.typeutils.TypePairComparator;
    +import org.apache.flink.api.common.typeutils.TypeSerializer;
    +import org.apache.flink.runtime.io.disk.iomanager.IOManager;
    +import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable;
    +import org.apache.flink.runtime.memorymanager.MemoryAllocationException;
    +import org.apache.flink.runtime.memorymanager.MemoryManager;
    +import org.apache.flink.util.Collector;
    +import org.apache.flink.util.MutableObjectIterator;
    +import java.util.Iterator;
    + * An implementation of the {@link org.apache.flink.runtime.operators.util.JoinTaskIterator}
that realizes the
    + * matching through a sort-merge join strategy.
    + */
    +public abstract class AbstractMergeMatchIterator<T1, T2, O> extends AbstractMergeIterator<T1,
T2, O> {
    --- End diff --
    Rename to AbstractMerge**InnerJoin**Iterator. Match is a term we used back in the old
Stratosphere days ;-)

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