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Posted to dev@gearpump.apache.org by manuzhang <gi...@git.apache.org> on 2017/02/07 12:44:11 UTC
[GitHub] incubator-gearpump pull request #140: [GEARPUMP-23] Add SessionWindows
GitHub user manuzhang opened a pull request:
https://github.com/apache/incubator-gearpump/pull/140
[GEARPUMP-23] Add SessionWindows
Be sure to do all of the following to help us incorporate your contribution
quickly and easily:
- [ ] Make sure the commit message is formatted like:
`[GEARPUMP-<Jira issue #>] Meaningful description of pull request`
- [ ] Make sure tests pass via `sbt clean test`.
- [ ] Make sure old documentation affected by the pull request has been updated and new documentation added for new functionality.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/manuzhang/incubator-gearpump sessions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-gearpump/pull/140.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #140
----
commit 36997ab86c820479ad7b9ed1f2e4f8c42e10c2c7
Author: manuzhang <ow...@gmail.com>
Date: 2017-02-07T11:54:05Z
[GEARPUMP-23] Add SessionWindows
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[GitHub] incubator-gearpump issue #140: [GEARPUMP-23] Add SessionWindows
Posted by manuzhang <gi...@git.apache.org>.
Github user manuzhang commented on the issue:
https://github.com/apache/incubator-gearpump/pull/140
R: @huafengw
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[GitHub] incubator-gearpump pull request #140: [GEARPUMP-23] Add SessionWindows
Posted by huafengw <gi...@git.apache.org>.
Github user huafengw commented on a diff in the pull request:
https://github.com/apache/incubator-gearpump/pull/140#discussion_r99815386
--- Diff: streaming/src/main/scala/org/apache/gearpump/streaming/dsl/window/api/WindowFunction.scala ---
@@ -33,11 +33,19 @@ object WindowFunction {
}
trait WindowFunction[T] {
+
def apply(context: WindowFunction.Context[T]): Array[Window]
+
+ def isNonMerging: Boolean
+}
+
+abstract class NonMergingWindowFunction[T] extends WindowFunction[T] {
+
+ override def isNonMerging: Boolean = true
--- End diff --
But if user's WindowFunction is not able to be merged, extending `NonMergingWindowFunction` would suffice, otherwise extending `WindowFunction`
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[GitHub] incubator-gearpump issue #140: [GEARPUMP-23] Add SessionWindows
Posted by huafengw <gi...@git.apache.org>.
Github user huafengw commented on the issue:
https://github.com/apache/incubator-gearpump/pull/140
+1
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[GitHub] incubator-gearpump pull request #140: [GEARPUMP-23] Add SessionWindows
Posted by manuzhang <gi...@git.apache.org>.
Github user manuzhang commented on a diff in the pull request:
https://github.com/apache/incubator-gearpump/pull/140#discussion_r99816656
--- Diff: streaming/src/main/scala/org/apache/gearpump/streaming/dsl/window/api/WindowFunction.scala ---
@@ -33,11 +33,19 @@ object WindowFunction {
}
trait WindowFunction[T] {
+
def apply(context: WindowFunction.Context[T]): Array[Window]
+
+ def isNonMerging: Boolean
+}
+
+abstract class NonMergingWindowFunction[T] extends WindowFunction[T] {
+
+ override def isNonMerging: Boolean = true
--- End diff --
They are free to **not** extend `NonMergingWindowFunction`
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[GitHub] incubator-gearpump pull request #140: [GEARPUMP-23] Add SessionWindows
Posted by manuzhang <gi...@git.apache.org>.
Github user manuzhang commented on a diff in the pull request:
https://github.com/apache/incubator-gearpump/pull/140#discussion_r99814058
--- Diff: streaming/src/main/scala/org/apache/gearpump/streaming/dsl/window/api/WindowFunction.scala ---
@@ -33,11 +33,19 @@ object WindowFunction {
}
trait WindowFunction[T] {
+
def apply(context: WindowFunction.Context[T]): Array[Window]
+
+ def isNonMerging: Boolean
+}
+
+abstract class NonMergingWindowFunction[T] extends WindowFunction[T] {
+
+ override def isNonMerging: Boolean = true
--- End diff --
users are free to extend `WindowFunction`, which can not be matched
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[GitHub] incubator-gearpump pull request #140: [GEARPUMP-23] Add SessionWindows
Posted by huafengw <gi...@git.apache.org>.
Github user huafengw commented on a diff in the pull request:
https://github.com/apache/incubator-gearpump/pull/140#discussion_r99813902
--- Diff: streaming/src/main/scala/org/apache/gearpump/streaming/dsl/window/api/WindowFunction.scala ---
@@ -33,11 +33,19 @@ object WindowFunction {
}
trait WindowFunction[T] {
+
def apply(context: WindowFunction.Context[T]): Array[Window]
+
+ def isNonMerging: Boolean
+}
+
+abstract class NonMergingWindowFunction[T] extends WindowFunction[T] {
+
+ override def isNonMerging: Boolean = true
--- End diff --
why not use `case match`?
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[GitHub] incubator-gearpump pull request #140: [GEARPUMP-23] Add SessionWindows
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:
https://github.com/apache/incubator-gearpump/pull/140
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