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From "abdullah alamoudi (Code Review)" <>
Subject Change in asterixdb[master]: Support Sending Messages Alongside Frame Data
Date Wed, 17 Feb 2016 07:09:54 GMT
abdullah alamoudi has posted comments on this change.

Change subject: Support Sending Messages Alongside Frame Data

Patch Set 3:

File asterix-external-data/src/main/java/org/apache/asterix/external/dataflow/

Line 54:         if (ctx.getSharedObject() == null) {
> Should this be re-written to avoid calling getSharedObject() twice?  It see
File asterix-external-data/src/main/java/org/apache/asterix/external/feed/runtime/

Line 61:             synchronized (ctx) {
> Probably there's a good reason, but why is this mutation of the shared obje
Mmmm, I didn't think others needed to be synchronized since they are only called once but
this one can be called multiple times. however, after a closer inspection, the one in FeedTupleForwarder
also needs to be synchronized.
File asterix-external-data/src/main/java/org/apache/asterix/external/operators/

Line 173:             e.printStackTrace();
> Remove printStackTrace() (understood not introduced with this change)
File asterix-external-data/src/main/java/org/apache/asterix/external/util/

Line 27:     public static final byte NULL_FEED_MESSAGE = 0;
> Do these correspond to the enum items?  If so, should we make these Message

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Gerrit-MessageType: comment
Gerrit-Change-Id: Iaa23e9f8a909ddcafc1c3ee95181092eb04ee1ad
Gerrit-PatchSet: 3
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: abdullah alamoudi <>
Gerrit-Reviewer: Jenkins <>
Gerrit-Reviewer: Michael Blow <>
Gerrit-Reviewer: Murtadha Hubail <>
Gerrit-Reviewer: Steven Jacobs <>
Gerrit-Reviewer: Till Westmann <>
Gerrit-Reviewer: Yingyi Bu <>
Gerrit-Reviewer: abdullah alamoudi <>
Gerrit-HasComments: Yes

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