Deprecated API

Contents

• Deprecated Interfaces
• Deprecated Classes
• Deprecated Methods

Deprecated Interfaces

Interface and Description
org.apache.flink.streaming.util.serialization.DeserializationSchema Use DeserializationSchema instead.
org.apache.flink.streaming.util.serialization.SerializationSchema Use SerializationSchema instead.
org.apache.flink.streaming.api.operators.SetupableStreamOperator This class is deprecated in favour of using StreamOperatorFactory and it's StreamOperatorFactory.createStreamOperator(org.apache.flink.streaming.runtime.tasks.StreamTask<?, ?>, org.apache.flink.streaming.api.graph.StreamConfig, org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<OUT>>) and passing the required parameters to the Operator's constructor in create method.
org.apache.flink.streaming.api.functions.TimestampExtractor This class has been replaced by AssignerWithPeriodicWatermarks and AssignerWithPunctuatedWatermarks

Deprecated Classes

Class and Description
org.apache.flink.streaming.util.serialization.AbstractDeserializationSchema Use AbstractDeserializationSchema instead.
org.apache.flink.streaming.api.functions.AscendingTimestampExtractor Extend AscendingTimestampExtractor instead.
org.apache.flink.streaming.api.windowing.assigners.BaseAlignedWindowAssigner will be removed in a future version. please use other WindowAssigners listed under org.apache.flink.streaming.api.windowing.assigners.
org.apache.flink.streaming.runtime.io.BufferSpiller
org.apache.flink.streaming.runtime.io.BufferSpiller.SpilledBufferOrEventSequence
org.apache.flink.streaming.api.datastream.CoGroupedStreams.UnionSerializerConfigSnapshot this snapshot class is no longer in use, and is maintained only for backwards compatibility. It is fully replaced by CoGroupedStreams.UnionSerializerSnapshot.
org.apache.flink.streaming.runtime.operators.ExtractTimestampsOperator Subsumed by TimestampsAndPeriodicWatermarksOperator and TimestampsAndPunctuatedWatermarksOperator.
org.apache.flink.streaming.api.functions.source.FileMonitoringFunction Internal class deprecated in favour of ContinuousFileMonitoringFunction.
org.apache.flink.streaming.api.functions.source.FileReadFunction Internal class deprecated in favour of ContinuousFileMonitoringFunction.
org.apache.flink.streaming.api.functions.windowing.FoldApplyAllWindowFunction will be removed in a future version
org.apache.flink.streaming.api.functions.windowing.FoldApplyProcessAllWindowFunction will be removed in a future version
org.apache.flink.streaming.api.functions.windowing.FoldApplyProcessWindowFunction will be removed in a future version
org.apache.flink.streaming.api.functions.windowing.FoldApplyWindowFunction will be removed in a future version
org.apache.flink.streaming.api.operators.co.IntervalJoinOperator.BufferSerializerConfigSnapshot this snapshot class is no longer in use, and is maintained only for backwards compatibility. It is fully replaced by IntervalJoinOperator.BufferEntrySerializerSnapshot.
org.apache.flink.streaming.api.operators.co.LegacyKeyedCoProcessOperator Replaced by KeyedCoProcessOperator which takes KeyedCoProcessFunction
org.apache.flink.streaming.api.operators.LegacyKeyedProcessOperator Replaced by KeyedProcessOperator which takes KeyedProcessFunction
org.apache.flink.streaming.api.functions.sink.OutputFormatSinkFunction Please use the StreamingFileSink for writing to files from a streaming program.
org.apache.flink.streaming.api.functions.windowing.RichProcessAllWindowFunction use ProcessAllWindowFunction instead
org.apache.flink.streaming.api.functions.windowing.RichProcessWindowFunction use ProcessWindowFunction instead
org.apache.flink.streaming.util.serialization.SimpleStringSchema Use SimpleStringSchema instead.
org.apache.flink.streaming.api.windowing.assigners.SlidingTimeWindows Please use SlidingEventTimeWindows.
org.apache.flink.streaming.api.datastream.SplitStream
org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.StreamElementSerializerConfigSnapshot see StreamElementSerializer.StreamElementSerializerSnapshot.
org.apache.flink.streaming.api.operators.StreamGroupedFold will be removed in a future version
org.apache.flink.streaming.api.operators.TimerSerializer.TimerSerializerConfigSnapshot this snapshot class is no longer in use, and is maintained only for backwards compatibility purposes. It is fully replaced by TimerSerializerSnapshot.
org.apache.flink.streaming.api.windowing.assigners.TumblingTimeWindows Please use TumblingEventTimeWindows.
org.apache.flink.streaming.api.functions.sink.TwoPhaseCommitSinkFunction.StateSerializerConfigSnapshot this snapshot class is no longer in use, and is maintained only for backwards compatibility purposes. It is fully replaced by TwoPhaseCommitSinkFunction.StateSerializerSnapshot.
org.apache.flink.streaming.util.serialization.TypeInformationSerializationSchema Use TypeInformationSerializationSchema instead.
org.apache.flink.streaming.api.functions.sink.WriteFormat Please use the StreamingFileSink for writing to files from a streaming program.
org.apache.flink.streaming.api.functions.sink.WriteFormatAsCsv Please use the StreamingFileSink for writing to files from a streaming program.
org.apache.flink.streaming.api.functions.sink.WriteFormatAsText Please use the StreamingFileSink for writing to files from a streaming program.
org.apache.flink.streaming.api.functions.sink.WriteSinkFunction Please use the StreamingFileSink for writing to files from a streaming program.
org.apache.flink.streaming.api.functions.sink.WriteSinkFunctionByMillis Please use the StreamingFileSink for writing to files from a streaming program.

Deprecated Methods

Method and Description
org.apache.flink.streaming.api.datastream.AllWindowedStream.apply(ReduceFunction<T>, AllWindowFunction<T, R, W>) Use AllWindowedStream.reduce(ReduceFunction, AllWindowFunction) instead.
org.apache.flink.streaming.api.datastream.AllWindowedStream.apply(ReduceFunction<T>, AllWindowFunction<T, R, W>, TypeInformation<R>) Use AllWindowedStream.reduce(ReduceFunction, AllWindowFunction, TypeInformation) instead.
org.apache.flink.streaming.api.datastream.WindowedStream.apply(ReduceFunction<T>, WindowFunction<T, R, K, W>) Use WindowedStream.reduce(ReduceFunction, WindowFunction) instead.
org.apache.flink.streaming.api.datastream.WindowedStream.apply(ReduceFunction<T>, WindowFunction<T, R, K, W>, TypeInformation<R>) Use WindowedStream.reduce(ReduceFunction, WindowFunction, TypeInformation) instead.
org.apache.flink.streaming.api.datastream.AllWindowedStream.apply(R, FoldFunction<T, R>, AllWindowFunction<R, R, W>) Use AllWindowedStream.fold(Object, FoldFunction, AllWindowFunction) instead.
org.apache.flink.streaming.api.datastream.AllWindowedStream.apply(R, FoldFunction<T, R>, AllWindowFunction<R, R, W>, TypeInformation<R>) Use AllWindowedStream.fold(Object, FoldFunction, AllWindowFunction, TypeInformation, TypeInformation) instead.
org.apache.flink.streaming.api.datastream.WindowedStream.apply(R, FoldFunction<T, R>, WindowFunction<R, R, K, W>) Use WindowedStream.fold(Object, FoldFunction, WindowFunction) instead.
org.apache.flink.streaming.api.datastream.WindowedStream.apply(R, FoldFunction<T, R>, WindowFunction<R, R, K, W>, TypeInformation<R>) Use WindowedStream.fold(Object, FoldFunction, WindowFunction, TypeInformation, TypeInformation) instead.
org.apache.flink.streaming.api.datastream.KeyedStream.asQueryableState(String, FoldingStateDescriptor<T, ACC>) will be removed in a future version
org.apache.flink.streaming.api.datastream.DataStream.assignTimestamps(TimestampExtractor<T>) Please use DataStream.assignTimestampsAndWatermarks(AssignerWithPeriodicWatermarks) of DataStream.assignTimestampsAndWatermarks(AssignerWithPunctuatedWatermarks) instead.
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.enableCheckpointing() Use StreamExecutionEnvironment.enableCheckpointing(long) instead.
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.enableCheckpointing(long, CheckpointingMode, boolean) Use StreamExecutionEnvironment.enableCheckpointing(long, CheckpointingMode) instead. Forcing checkpoints will be removed in the future.
org.apache.flink.streaming.api.environment.RemoteStreamEnvironment.executeRemotely(StreamGraph, List<URL>)
org.apache.flink.streaming.api.datastream.AllWindowedStream.fold(ACC, FoldFunction<T, ACC>, AllWindowFunction<ACC, R, W>) use AllWindowedStream.aggregate(AggregateFunction, ProcessAllWindowFunction) instead
org.apache.flink.streaming.api.datastream.AllWindowedStream.fold(ACC, FoldFunction<T, ACC>, AllWindowFunction<ACC, R, W>, TypeInformation<ACC>, TypeInformation<R>) use AllWindowedStream.aggregate(AggregateFunction, AllWindowFunction, TypeInformation, TypeInformation) instead
org.apache.flink.streaming.api.datastream.AllWindowedStream.fold(ACC, FoldFunction<T, ACC>, ProcessAllWindowFunction<ACC, R, W>) use AllWindowedStream.aggregate(AggregateFunction, ProcessAllWindowFunction) instead
org.apache.flink.streaming.api.datastream.AllWindowedStream.fold(ACC, FoldFunction<T, ACC>, ProcessAllWindowFunction<ACC, R, W>, TypeInformation<ACC>, TypeInformation<R>) use AllWindowedStream.aggregate(AggregateFunction, ProcessAllWindowFunction, TypeInformation, TypeInformation, TypeInformation) instead
org.apache.flink.streaming.api.datastream.WindowedStream.fold(ACC, FoldFunction<T, ACC>, ProcessWindowFunction<ACC, R, K, W>) use WindowedStream.aggregate(AggregateFunction, WindowFunction) instead
org.apache.flink.streaming.api.datastream.WindowedStream.fold(ACC, FoldFunction<T, ACC>, ProcessWindowFunction<ACC, R, K, W>, TypeInformation<ACC>, TypeInformation<R>) use WindowedStream.aggregate(AggregateFunction, WindowFunction, TypeInformation, TypeInformation) instead
org.apache.flink.streaming.api.datastream.WindowedStream.fold(ACC, FoldFunction<T, ACC>, WindowFunction<ACC, R, K, W>) use WindowedStream.aggregate(AggregateFunction, WindowFunction) instead
org.apache.flink.streaming.api.datastream.WindowedStream.fold(ACC, FoldFunction<T, ACC>, WindowFunction<ACC, R, K, W>, TypeInformation<ACC>, TypeInformation<R>) use WindowedStream.aggregate(AggregateFunction, ProcessWindowFunction, TypeInformation, TypeInformation, TypeInformation) instead
org.apache.flink.streaming.api.datastream.KeyedStream.fold(R, FoldFunction<T, R>) will be removed in a future version
org.apache.flink.streaming.api.datastream.AllWindowedStream.fold(R, FoldFunction<T, R>) use AllWindowedStream.aggregate(AggregateFunction) instead
org.apache.flink.streaming.api.datastream.WindowedStream.fold(R, FoldFunction<T, R>) use WindowedStream.aggregate(AggregationFunction) instead
org.apache.flink.streaming.api.datastream.AllWindowedStream.fold(R, FoldFunction<T, R>, TypeInformation<R>) use AllWindowedStream.aggregate(AggregateFunction, TypeInformation, TypeInformation) instead
org.apache.flink.streaming.api.datastream.WindowedStream.fold(R, FoldFunction<T, R>, TypeInformation<R>) use WindowedStream.aggregate(AggregateFunction, TypeInformation, TypeInformation) instead
org.apache.flink.streaming.api.windowing.triggers.Trigger.TriggerContext.getKeyValueState(String, Class<S>, S) Use Trigger.TriggerContext.getPartitionedState(StateDescriptor).
org.apache.flink.streaming.api.windowing.triggers.Trigger.TriggerContext.getKeyValueState(String, TypeInformation<S>, S) Use Trigger.TriggerContext.getPartitionedState(StateDescriptor).
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.getNumberOfExecutionRetries() This method will be replaced by StreamExecutionEnvironment.getRestartStrategy().
org.apache.flink.streaming.api.functions.sink.SinkFunction.invoke(IN) Use SinkFunction.invoke(Object, Context).
org.apache.flink.streaming.api.environment.CheckpointConfig.isFailOnCheckpointingErrors() Use CheckpointConfig.getTolerableCheckpointFailureNumber().
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.isForceCheckpointing() Forcing checkpoints will be removed in future version.
org.apache.flink.streaming.api.environment.CheckpointConfig.isForceCheckpointing() This will be removed once iterations properly participate in checkpointing.
org.apache.flink.streaming.api.windowing.assigners.TumblingTimeWindows.of(Time) Please use TumblingEventTimeWindows.of(Time).
org.apache.flink.streaming.api.windowing.assigners.SlidingTimeWindows.of(Time, Time) Please use SlidingEventTimeWindows.of(Time, Time).
org.apache.flink.streaming.api.datastream.KeyedStream.process(ProcessFunction<T, R>) Use KeyedStream.process(KeyedProcessFunction)
org.apache.flink.streaming.api.datastream.KeyedStream.process(ProcessFunction<T, R>, TypeInformation<R>) Use KeyedStream.process(KeyedProcessFunction, TypeInformation)
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.readFile(FileInputFormat<OUT>, String, FileProcessingMode, long, FilePathFilter) Use FileInputFormat.setFilesFilter(FilePathFilter) to set a filter and StreamExecutionEnvironment.readFile(FileInputFormat, String, FileProcessingMode, long)
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.readFileStream(String, long, FileMonitoringFunction.WatchType) Use StreamExecutionEnvironment.readFile(FileInputFormat, String, FileProcessingMode, long) instead.
org.apache.flink.streaming.api.environment.CheckpointConfig.setFailOnCheckpointingErrors(boolean) Use CheckpointConfig.setTolerableCheckpointFailureNumber(int).
org.apache.flink.streaming.api.environment.CheckpointConfig.setForceCheckpointing(boolean) This will be removed once iterations properly participate in checkpointing.
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.setNumberOfExecutionRetries(int) This method will be replaced by StreamExecutionEnvironment.setRestartStrategy(org.apache.flink.api.common.restartstrategy.RestartStrategies.RestartStrategyConfiguration). The RestartStrategies.fixedDelayRestart(int, Time) contains the number of execution retries.
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.setStateBackend(AbstractStateBackend) Use StreamExecutionEnvironment.setStateBackend(StateBackend) instead.
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.socketTextStream(String, int, char) Use StreamExecutionEnvironment.socketTextStream(String, int, String) instead.
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.socketTextStream(String, int, char, long) Use StreamExecutionEnvironment.socketTextStream(String, int, String, long) instead.
org.apache.flink.streaming.api.datastream.DataStream.split(OutputSelector<T>) Please use side output instead.
org.apache.flink.streaming.api.datastream.CoGroupedStreams.WithWindow.with(CoGroupFunction<T1, T2, T>) This method will be removed once the CoGroupedStreams.WithWindow.apply(CoGroupFunction) method is fixed in the next major version of Flink (2.0).
org.apache.flink.streaming.api.datastream.CoGroupedStreams.WithWindow.with(CoGroupFunction<T1, T2, T>, TypeInformation<T>) This method will be removed once the CoGroupedStreams.WithWindow.apply(CoGroupFunction, TypeInformation) method is fixed in the next major version of Flink (2.0).
org.apache.flink.streaming.api.datastream.JoinedStreams.WithWindow.with(FlatJoinFunction<T1, T2, T>) This method will be removed once the JoinedStreams.WithWindow.apply(FlatJoinFunction) method is fixed in the next major version of Flink (2.0).
org.apache.flink.streaming.api.datastream.JoinedStreams.WithWindow.with(FlatJoinFunction<T1, T2, T>, TypeInformation<T>) This method will be replaced by JoinedStreams.WithWindow.apply(FlatJoinFunction, TypeInformation) in Flink 2.0. So use the JoinedStreams.WithWindow.apply(FlatJoinFunction, TypeInformation) in the future.
org.apache.flink.streaming.api.datastream.JoinedStreams.WithWindow.with(JoinFunction<T1, T2, T>) This method will be removed once the JoinedStreams.WithWindow.apply(JoinFunction) method is fixed in the next major version of Flink (2.0).
org.apache.flink.streaming.api.datastream.JoinedStreams.WithWindow.with(JoinFunction<T1, T2, T>, TypeInformation<T>) This method will be removed once the JoinedStreams.WithWindow.apply(JoinFunction, TypeInformation) method is fixed in the next major version of Flink (2.0).