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[BEAM-86] Add CountingInput as a PTransform #10

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@tgroh tgroh commented Mar 2, 2016

This transform produces an unbounded PCollection containing longs based
on a CountingSource.

Deprecate methods producing a Source in CountingSource.

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tgroh commented Mar 2, 2016

R: @dhalperi

* Creates a {@link BoundedCountingInput} that will produce the specified number of elements,
* from {@code 0} to {@code numElements - 1}.
*/
public static PTransform<PBegin, PCollection<Long>> upTo(long numElements) {
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return type -- BoundedCountingInput?

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Done.

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tgroh commented Mar 3, 2016

I haven't added a checkNotNull to the constructor, as it's private and all of the withers do the assertion directly. Can still add if required.

Other than that, done.

* PTransform<PBegin, PCollection<Long>> producer = CountingInput.unbounded();
* // Or, to create an unbounded source that uses a provided function to set the element timestamp.
* PTransform<PBegin, PCollection<Long>> producer =
* CountingInput.unbounded().withTimestampFn(someFn);
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mirror the javadoc improvements here?

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Done

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dhalperi commented Mar 3, 2016

LGTM

@tgroh tgroh force-pushed the counting_source_as_transform branch from 7d1c881 to 91ee2da Compare March 3, 2016 17:45
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tgroh commented Mar 3, 2016

Squashed together all of the commits.

@tgroh tgroh force-pushed the counting_source_as_transform branch from 91ee2da to de45ae3 Compare March 3, 2016 19:49
This transform produces an unbounded PCollection containing longs based
on a CountingSource.

Deprecate methods producing a Source in CountingSource.
@tgroh tgroh force-pushed the counting_source_as_transform branch from de45ae3 to f041893 Compare March 3, 2016 21:16
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tgroh commented Mar 3, 2016

Closed by 5a7bd80

@tgroh tgroh closed this Mar 3, 2016
davorbonaci added a commit to GoogleCloudPlatform/DataflowJavaSDK that referenced this pull request Mar 4, 2016
cosmoskitten pushed a commit to cosmoskitten/beam that referenced this pull request Apr 10, 2017
aljoscha pushed a commit to aljoscha/beam that referenced this pull request Mar 14, 2018
charlesccychen pushed a commit to cosmoskitten/beam that referenced this pull request Apr 6, 2018
mareksimunek pushed a commit to mareksimunek/beam that referenced this pull request May 9, 2018
mareksimunek pushed a commit to mareksimunek/beam that referenced this pull request May 9, 2018
mareksimunek pushed a commit to mareksimunek/beam that referenced this pull request May 9, 2018
apache#10 Improve documentation around URI based data-sources/-sinks
dmvk pushed a commit to dmvk/beam that referenced this pull request May 15, 2018
dmvk pushed a commit to dmvk/beam that referenced this pull request May 15, 2018
tvalentyn pushed a commit to tvalentyn/beam that referenced this pull request May 15, 2018
kennknowles pushed a commit that referenced this pull request Oct 16, 2018
pabloem pushed a commit to pabloem/beam that referenced this pull request Feb 13, 2021
* New DebeziumIO class.

* Merge connector code

* DebeziumIO and MySqlConnector integrated.

* Added FormatFuntion param to Read builder on DebeziumIO.

* Added arguments checker to DebeziumIO.

* Add simple JSON mapper object (#1)

* Add simple JSON mapper object

* Fixed Mapper.

* Add SqlServer connector test

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Fixing MySQL schema DataException

Using file instead of schema should fix it

* MySQL Connector updated from 1.3.0 to 1.3.1

Co-authored-by: osvaldo-salinas <osvaldo.salinas@wizeline.com>
Co-authored-by: Carlos Dominguez <carlos.dominguez@carlos.dominguez>
Co-authored-by: Carlos Domínguez <carlos.dominguez@wizeline.com>

* Add debeziumio tests

* Debeziumio testing json mapper (#3)

* Some code refactors. Use a default DBHistory if not provided

* Add basic tests for Json mapper

* Debeziumio time restriction (apache#5)

* Add simple JSON mapper object

* Fixed Mapper.

* Add SqlServer connector test

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Fixing MySQL schema DataException

Using file instead of schema should fix it

* MySQL Connector updated from 1.3.0 to 1.3.1

* Some code refactors. Use a default DBHistory if not provided

* Adding based-time restriction

Stop polling after specified amount of time

* Add basic tests for Json mapper

* Adding new restriction

Uses a time-based restriction

* Adding optional restrcition

Uses an optional time-based restriction

Co-authored-by: juanitodread <juanitodread@gmail.com>
Co-authored-by: osvaldo-salinas <osvaldo.salinas@wizeline.com>

* Upgrade DebeziumIO connector (apache#4)

* Address comments (Change dependencies to testCompile, Set JsonMapper/Coder as default, refactors) (apache#8)

* Revert file

* Change dependencies to testCompile
* Move Counter sample to unit test

* Set JsonMapper as default mapper function
* Set String Coder as default coder when using JsonMapper
* Change logs from info to debug

* Debeziumio javadoc (apache#9)

* Adding javadoc

* Added some titles and examples

* Added SourceRecordJson doc

* Added Basic Connector doc

* Added KafkaSourceConsumer doc

* Javadoc cleanup

* Removing BasicConnector

No usages of this class were found overall

* Editing documentation

* Debeziumio fetched records restriction (apache#10)

* Adding javadoc

* Adding restriction by number of fetched records

Also adding a quick-fix for null value within SourceRecords
Minor fix on both MySQL and PostgreSQL Connectors Tests

* Run either by time or by number of records

* Added DebeziumOffsetTrackerTest

Tests both restrictions: By amount of time and by Number of records

* Removing comment

* DebeziumIO test for DB2. (apache#11)

* DebeziumIO test for DB2.

* DebeziumIO javadoc.

* Clean code:removed commented code lines on DebeziumIOConnectorTest.java

* Clean code:removing unused imports and using readAsJson().

Co-authored-by: Carlos Domínguez <74681048+carlosdominguezwl@users.noreply.github.com>

* Debezium limit records (now configurable) (apache#12)

* Adding javadoc

* Records Limit is now configurable

(It was fixed before)

* Debeziumio dockerize (apache#13)

* Add mysql docker container to tests

* Move debezium mysql integration test to its own file

* Add assertion to verify that the results contains a record.

* Debeziumio readme (apache#15)

* Adding javadoc

* Adding README file

* Add number of records configuration to the DebeziumIO component (apache#16)

* Code refactors (apache#17)

* Remove/ignore null warnings

* Remove DB2 code

* Remove docker dependency in DebeziumIO unit test and max number of recods to MySql integration test

* Change access modifiers accordingly

* Remove incomplete integration tests (Postgres and SqlServer)

* Add experimenal tag

* Debezium testing stoppable consumer (apache#18)

* Add try-catch-finally, stop SourceTask at finally.

* Fix warnings

* stopConsumer and processedRecords local variables removed. UT for task stop use case added

* Fix minor code style issue

Co-authored-by: juanitodread <juanitodread@gmail.com>

* Fix style issues (check, spotlessApply) (apache#19)

Co-authored-by: Osvaldo Salinas <osvaldo.salinas@osvaldo.salinas>
Co-authored-by: alejandro.maguey <alejandro.maguey@wizeline.com>
Co-authored-by: osvaldo-salinas <osvaldo.salinas@wizeline.com>
Co-authored-by: Carlos Dominguez <carlos.dominguez@carlos.dominguez>
Co-authored-by: Carlos Domínguez <carlos.dominguez@wizeline.com>
Co-authored-by: Carlos Domínguez <74681048+carlosdominguezwl@users.noreply.github.com>
Co-authored-by: Alejandro Maguey <alexmaguey1@gmail.com>
Co-authored-by: Hassan Reyes <hassanreyes@users.noreply.github.com>
pabloem pushed a commit that referenced this pull request Feb 17, 2021
Debeziumio PoC (#7)

* New DebeziumIO class.

* Merge connector code

* DebeziumIO and MySqlConnector integrated.

* Added FormatFuntion param to Read builder on DebeziumIO.

* Added arguments checker to DebeziumIO.

* Add simple JSON mapper object (#1)

* Add simple JSON mapper object

* Fixed Mapper.

* Add SqlServer connector test

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Fixing MySQL schema DataException

Using file instead of schema should fix it

* MySQL Connector updated from 1.3.0 to 1.3.1

Co-authored-by: osvaldo-salinas <osvaldo.salinas@wizeline.com>
Co-authored-by: Carlos Dominguez <carlos.dominguez@carlos.dominguez>
Co-authored-by: Carlos Domínguez <carlos.dominguez@wizeline.com>

* Add debeziumio tests

* Debeziumio testing json mapper (#3)

* Some code refactors. Use a default DBHistory if not provided

* Add basic tests for Json mapper

* Debeziumio time restriction (#5)

* Add simple JSON mapper object

* Fixed Mapper.

* Add SqlServer connector test

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Added PostgreSql Connector Test

PostgreSql now works with Json mapper

* Fixing MySQL schema DataException

Using file instead of schema should fix it

* MySQL Connector updated from 1.3.0 to 1.3.1

* Some code refactors. Use a default DBHistory if not provided

* Adding based-time restriction

Stop polling after specified amount of time

* Add basic tests for Json mapper

* Adding new restriction

Uses a time-based restriction

* Adding optional restrcition

Uses an optional time-based restriction

Co-authored-by: juanitodread <juanitodread@gmail.com>
Co-authored-by: osvaldo-salinas <osvaldo.salinas@wizeline.com>

* Upgrade DebeziumIO connector (#4)

* Address comments (Change dependencies to testCompile, Set JsonMapper/Coder as default, refactors) (#8)

* Revert file

* Change dependencies to testCompile
* Move Counter sample to unit test

* Set JsonMapper as default mapper function
* Set String Coder as default coder when using JsonMapper
* Change logs from info to debug

* Debeziumio javadoc (#9)

* Adding javadoc

* Added some titles and examples

* Added SourceRecordJson doc

* Added Basic Connector doc

* Added KafkaSourceConsumer doc

* Javadoc cleanup

* Removing BasicConnector

No usages of this class were found overall

* Editing documentation

* Debeziumio fetched records restriction (#10)

* Adding javadoc

* Adding restriction by number of fetched records

Also adding a quick-fix for null value within SourceRecords
Minor fix on both MySQL and PostgreSQL Connectors Tests

* Run either by time or by number of records

* Added DebeziumOffsetTrackerTest

Tests both restrictions: By amount of time and by Number of records

* Removing comment

* DebeziumIO test for DB2. (#11)

* DebeziumIO test for DB2.

* DebeziumIO javadoc.

* Clean code:removed commented code lines on DebeziumIOConnectorTest.java

* Clean code:removing unused imports and using readAsJson().

Co-authored-by: Carlos Domínguez <74681048+carlosdominguezwl@users.noreply.github.com>

* Debezium limit records (now configurable) (#12)

* Adding javadoc

* Records Limit is now configurable

(It was fixed before)

* Debeziumio dockerize (#13)

* Add mysql docker container to tests

* Move debezium mysql integration test to its own file

* Add assertion to verify that the results contains a record.

* Debeziumio readme (#15)

* Adding javadoc

* Adding README file

* Add number of records configuration to the DebeziumIO component (#16)

* Code refactors (#17)

* Remove/ignore null warnings

* Remove DB2 code

* Remove docker dependency in DebeziumIO unit test and max number of recods to MySql integration test

* Change access modifiers accordingly

* Remove incomplete integration tests (Postgres and SqlServer)

* Add experimenal tag

* Debezium testing stoppable consumer (#18)

* Add try-catch-finally, stop SourceTask at finally.

* Fix warnings

* stopConsumer and processedRecords local variables removed. UT for task stop use case added

* Fix minor code style issue

Co-authored-by: juanitodread <juanitodread@gmail.com>

* Fix style issues (check, spotlessApply) (#19)

Co-authored-by: Osvaldo Salinas <osvaldo.salinas@osvaldo.salinas>
Co-authored-by: alejandro.maguey <alejandro.maguey@wizeline.com>
Co-authored-by: osvaldo-salinas <osvaldo.salinas@wizeline.com>
Co-authored-by: Carlos Dominguez <carlos.dominguez@carlos.dominguez>
Co-authored-by: Carlos Domínguez <carlos.dominguez@wizeline.com>
Co-authored-by: Carlos Domínguez <74681048+carlosdominguezwl@users.noreply.github.com>
Co-authored-by: Alejandro Maguey <alexmaguey1@gmail.com>
Co-authored-by: Hassan Reyes <hassanreyes@users.noreply.github.com>

Add missing apache license to README.md

Enabling integration test for DebeziumIO (#20)

Rename connector package cdc=>debezium. Update doc references (#21)

Fix code style on DebeziumIOMySqlConnectorIT
usingh83 added a commit to usingh83/beam that referenced this pull request May 7, 2021
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This reverts commit c39a4e4

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adding comments and java docs, and removing unneeded dependencies.

Linting the project and making some stuff private

Reorganized and redefined to logic as per standard beam IO structure.

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Added changes for making the implementation more streamlined and understandable

Added a connector that streams data from twitter using a Standard Twitter app.

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pabloem pushed a commit that referenced this pull request May 18, 2021
…eams data from twitter

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ajothomas referenced this pull request in ajothomas/beam Oct 12, 2021
Merge from Master to li_trunk
robertwb added a commit to robertwb/incubator-beam that referenced this pull request Jan 8, 2022
hengfengli referenced this pull request in hengfengli/beam Mar 21, 2022
* feat: skeleton implementation of read fn

Adds skeleton implementation of the ReadChangeStreamPartitionDoFn with a
simple test.

* feat: adds initial impl for read component

Adds initial implementation for read change stream partition component,
along with an initial test and a test plan.

* test: adds unit test for record mapping

Adds unit test for mapping a struct to a data changes record.

* refactor: refactor tests

* feat: set the correct bounds for consuming SDF

Initialises the offset range based on the start and end timestamp of the
partition record.

* feat: process heartbeat records

Adds heartbeat record processing to the read change stream partition
dofn. The only thing necessary here is to update the watermark.

* chore: add package info to dao and mapper packages

* feat: add simple implementation on child partition

Adds the first implementation for child partitions, which just updates
the watermark based on the start timestamp of the record.

* feat: updates metadata table on child split

* feat: add change stream restriction tracker

Creates custom implementation of change stream restriction tracker which
tracks the timestamp position as well as the mode that should be
executed.

* refactor: add dao impls for change streams

Adds method to run change stream queries and update the partition
metadata table within a transaction.

* test: narrows unit tests for change stream fn

Unit tests only the process element method from the dofn. This way we
can verify updates to the restriction tracker and watermark estimator.

* test: verify tracker / watermark in tests

Validates that the restriction tracker and watermark were used to update
the correct state in the change streams unit tests.

* feat: add DELETE_PARTITION mode and refactor test

* test: complete unit test for child partition split

Adds assertions for waiting for children, waiting for parents and
deleting the current partition.

* feat: adds possible state transition

From partition query to wait for parents, since in all cases we will
need to wait for parents before terminating.

* feat: update termination of data / hearbeat record

Waits for parents to be deleted before terminating after a data /
hearbeat records.
On termination, marks itself as finished and deletes itself from the
metadata table.

* feat: moves the finishing of a partition state

To after a result set is consumed. This was not the case for the child
partitions, which finished before waiting for the children.

* refactor: refactors split case

* chore: removes unused file

* refactor: decompose read cdc dofn

Decomposes read change stream partition do fn into several actions.

* feat: process child partitions independently

Processes each record within a child partition record independently.

* feat: implement merge all parents finished

Implements child partition record case for merge when all parents are
finished.

* test: add test for merge one parent not finished

* test: refactor tests for read dofn

* tests: test termination case in read dofn

* feat: execute based on mode in read dofn

Does different things based on the partition mode that is currently
saved in the restriction.

* refactor: organize partition metadata dao

* refactor: refactors tests

* feat: implements change stream dao

* fix: fix restriction tracker to update correctly

The restriction tracker was not updating the restriction on each
tryClaim call. This commit fixes this behaviour.

* refactor: minor refactor in read dofn

* refactor: undo modifications to SpannerConfig

* chore: removes solved TODOs

* chore: fixes build violations

* docs: adds a few comments / todos

* feat: handles initial partition

Handles the initial partition which should be mapped to null in the
change stream query.

* fix: fixes the record mapping

Fixes the record mapping according to what is being returned by the
change stream query.

* feat: parameterises change stream query

Uses named params and parameterises the change stream query.

* docs: adds state graph for dofn

Adds documentation for the state graph on the Read Change Stream
Partition DoFn.

* docs: add TODOs / FIXMEs for missing functionality

* Remove linting (#14)

* feat: adds it test for read dofn

Here we had to change several things:

- We had to fix the restriction tracker checkDone() method, not to
  require the done partition mode. This is because this method gets
  called when we resume from a previous mode as well.
- We had to fix the heartbeat parameter for the change stream dao. It is
  now specified as millis instead of seconds.
- We added debug logging to all the actions.
- We fixed a bug in the restriction tracker allowing the mode change
  from wait_for_child_partitions to finish_partition (it was missing).

Co-authored-by: Zoe <zoc@google.com>
sjvanrossum pushed a commit to sjvanrossum/beam that referenced this pull request May 17, 2023
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