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Review request for samza. Repository: samza Description ------- SAMZA-650: adding updateOutputs(), getResult(), and flush() in window operator. Adding example code as use case for window operator. WIP: update operator API to allow callbacks and allow a single API to trigger OperatorRouter execution w/ user callbacks WIP: updated operator API and use case in test tasks Diffs ----- samza-sql-core/src/main/java/org/apache/samza/sql/api/data/EntityName.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/data/Relation.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/data/Stream.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/data/Tuple.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/Operator.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/OperatorCallback.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/RelationOperator.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/SimpleOperator.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/SqlOperatorFactory.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/TupleOperator.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/operators/spec/OperatorSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/api/router/OperatorRouter.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/data/IncomingMessageTuple.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/exception/OperatorException.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/factory/DefaultOperatorCallback.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/factory/SimpleOperator.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/factory/SimpleOperatorFactoryImpl.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/factory/SimpleOperatorImpl.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/factory/SimpleOperatorSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/factory/SimpleRouter.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/join/StreamStreamJoin.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/partition/PartitionOp.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/partition/PartitionSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/relation/Join.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/relation/JoinSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/stream/InsertStream.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/stream/InsertStreamSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/BoundedTimeWindow.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/FullStateTimeWindow.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/FullStateTimeWindowOp.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/FullStateWindowOp.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/RetentionPolicy.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/WindowOp.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/WindowOpSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/WindowSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/operators/window/WindowState.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/router/SimpleRouter.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/FilteredMessageIterator.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/HashPrefixedMessageStore.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/MessageStore.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/MessageStoreSpec.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/OrderedStoreKey.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/PrefixedKey.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/Range.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/TimeAndOffsetKey.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/TimeKey.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/WindowOutputStream.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/WindowState.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/sql/window/storage/WindowStore.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/system/sql/LongOffset.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/system/sql/Offset.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/task/sql/OperatorMessageCollector.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/task/sql/RouterMessageCollector.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/task/sql/SimpleMessageCollector.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/task/sql/SqlMessageCollector.java PRE-CREATION samza-sql-core/src/main/java/org/apache/samza/task/sql/StoreMessageCollector.java PRE-CREATION samza-sql-core/src/test/java/org/apache/samza/task/sql/RandomOperatorTask.java PRE-CREATION samza-sql-core/src/test/java/org/apache/samza/task/sql/RandomWindowOperatorTask.java PRE-CREATION samza-sql-core/src/test/java/org/apache/samza/task/sql/StreamSqlTask.java PRE-CREATION samza-sql-core/src/test/java/org/apache/samza/task/sql/UserCallbacksSqlTask.java PRE-CREATION Diff: https://reviews.apache.org/r/34009/diff/ Testing ------- Thanks, Yi Pan (Data Infrastructure)