apex-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
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 07:08:21 GMT

    [ https://issues.apache.org/jira/browse/APEXMALHAR-2100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405468#comment-15405468
] 

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_r73289986
  
    --- Diff: library/src/main/java/org/apache/apex/malhar/lib/state/managed/ManagedTimeStateMultiValue.java
---
    @@ -0,0 +1,357 @@
    +/**
    + * 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.apex.malhar.lib.state.managed;
    +
    +import java.util.ArrayList;
    +import java.util.Collection;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Set;
    +import java.util.concurrent.ExecutionException;
    +import java.util.concurrent.Future;
    +import java.util.concurrent.TimeUnit;
    +import java.util.concurrent.TimeoutException;
    +
    +import javax.annotation.Nullable;
    +import javax.validation.constraints.NotNull;
    +
    +import org.apache.apex.malhar.lib.state.spillable.Spillable;
    +
    +import com.google.common.base.Preconditions;
    +import com.google.common.collect.Multimap;
    +import com.google.common.collect.Multiset;
    +
    +import com.datatorrent.api.StreamCodec;
    +import com.datatorrent.lib.codec.KryoSerializableStreamCodec;
    +import com.datatorrent.netlet.util.Slice;
    +
    +/**
    + * Concrete implementation of SpillableByteArrayListMultimap which is needed for join
operator.
    + *
    + * <b>Properties:</b><br>
    + * <b>isKeyContainsMultiValue</b>: Specifies whether the key has multiple
value or not. <br>
    + * <b>timeBucket</b>: Specifies the lenght of the time bucket.
    + *
    + */
    +public class ManagedTimeStateMultiValue<K,V> implements Spillable.SpillableByteArrayListMultimap<K,V>
    +{
    +  private transient StreamCodec streamCodec = null;
    +  private boolean isKeyContainsMultiValue = false;
    +  private long timeBucket;
    +  @NotNull
    +  private ManagedTimeStateImpl store;
    +
    +  public ManagedTimeStateMultiValue()
    +  {
    +    if (streamCodec == null) {
    +      streamCodec = new KryoSerializableStreamCodec();
    +    }
    +  }
    +
    +  public ManagedTimeStateMultiValue(@NotNull ManagedTimeStateImpl store, boolean isPrimaryKey)
    +  {
    +    this();
    +    this.store = Preconditions.checkNotNull(store);
    +    this.isKeyContainsMultiValue = isPrimaryKey;
    --- End diff --
    
    Done


> 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
>




--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message