Mailing-List: contact dev-help@apex.incubator.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@apex.incubator.apache.org
From: sandeepdeshmukh <git@git.apache.org>
To: dev@apex.incubator.apache.org
Reply-To: dev@apex.incubator.apache.org
References: <git-pr-157-incubator-apex-malhar@git.apache.org>
In-Reply-To: <git-pr-157-incubator-apex-malhar@git.apache.org>
Subject: [GitHub] incubator-apex-malhar pull request: APEXMALHAR-1963
 AbstractAsyncP...
Content-Type: text/plain
Message-Id: <20160106085848.22A69E01CA@git1-us-west.apache.org>
Date: Wed,  6 Jan 2016 08:58:48 +0000 (UTC)

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

    https://github.com/apache/incubator-apex-malhar/pull/157#discussion_r48937866
  
    --- Diff: library/src/main/java/com/datatorrent/lib/async/AbstractAsyncProcessor.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 com.datatorrent.lib.async;
    +
    +import java.util.Iterator;
    +import java.util.Queue;
    +import java.util.concurrent.ExecutorService;
    +import java.util.concurrent.Executors;
    +import java.util.concurrent.Future;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import com.google.common.collect.Lists;
    +
    +import com.datatorrent.api.Context;
    +import com.datatorrent.api.DefaultInputPort;
    +import com.datatorrent.api.Operator.IdleTimeHandler;
    +import com.datatorrent.api.annotation.InputPortFieldAnnotation;
    +import com.datatorrent.common.util.BaseOperator;
    +
    +/**
    + * This base operator having a single input and tuple coming from input port are enqueued for processing asynchronously
    + * by Thread Executors.
    + *
    + * User can configure number of of threads that are required for processing. Defaulting to single thread which is
    + * different than operator thread.
    + * The user will also configure the timeout for the operations to happen.
    + *
    + * <b>Workflow is as follows:</b>
    + * <ol>
    + *   <li>Tuple of type INPUT is received on input port.</li>
    + *   <li>Tuple gets enqueued into Executors by calling <i>enqueueTupleForProcessing</i>.
    + *       Once can override <i>processTuple</i> method in which case, its users responsibility to enqueue tuple for
    + *       processing by calling <i>enqueueTupleForProcessing</i>.</li>
    + *   <li>When tuple gets its turn of execution, <i>processTupleAsync</i> gets called from thread other than
    --- End diff --
    
    -> When a tuple
    Give some name to the other thread.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---