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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXMALHAR-2100) Development of Inner Join Operator using Spillable Datastructures
Date Wed, 03 Aug 2016 07:08:20 GMT

    [ https://issues.apache.org/jira/browse/APEXMALHAR-2100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405458#comment-15405458
] 

ASF GitHub Bot commented on APEXMALHAR-2100:
--------------------------------------------

Github user chaithu14 commented on a diff in the pull request:

    https://github.com/apache/apex-malhar/pull/330#discussion_r73289923
  
    --- Diff: library/src/main/java/com/datatorrent/lib/join/POJOInnerJoinOperator.java ---
    @@ -0,0 +1,247 @@
    +/**
    + * 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 com.datatorrent.lib.join;
    +
    +import java.lang.reflect.Array;
    +import java.util.HashMap;
    +import java.util.Map;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import org.apache.commons.lang3.ClassUtils;
    +
    +import com.datatorrent.api.Context;
    +import com.datatorrent.api.DefaultInputPort;
    +import com.datatorrent.api.DefaultOutputPort;
    +import com.datatorrent.api.Operator;
    +import com.datatorrent.api.StreamCodec;
    +import com.datatorrent.api.annotation.InputPortFieldAnnotation;
    +import com.datatorrent.api.annotation.OutputPortFieldAnnotation;
    +import com.datatorrent.lib.util.PojoUtils;
    +
    +/**
    + * Concrete implementation of AbstractManagedStateInnerJoinOperator and receives objects
from both streams.
    + *
    + * @displayName POJO Inner Join Operator
    + * @tags join
    + */
    +public class POJOInnerJoinOperator extends AbstractManagedStateInnerJoinOperator<Object,Object>
implements Operator.ActivationListener<Context>
    +{
    +  private static final transient Logger LOG = LoggerFactory.getLogger(POJOInnerJoinOperator.class);
    +  private transient long timeIncrement;
    +  private transient FieldObjectMap[] inputFieldObjects = (FieldObjectMap[])Array.newInstance(FieldObjectMap.class,
2);
    +  protected Class<?> outputClass;
    --- End diff --
    
    Yes. Made it into transient.


> Development of Inner Join Operator using Spillable Datastructures
> -----------------------------------------------------------------
>
>                 Key: APEXMALHAR-2100
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2100
>             Project: Apache Apex Malhar
>          Issue Type: Task
>            Reporter: Chaitanya
>            Assignee: Chaitanya
>




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