| Package | Description |
|---|---|
| org.apache.flink.streaming.api.datastream | |
| org.apache.flink.streaming.api.environment |
| Modifier and Type | Method and Description |
|---|---|
DataStreamSource<T> |
DataStreamSource.setParallelism(int parallelism) |
| Modifier and Type | Method and Description |
|---|---|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.addSource(SourceFunction<OUT> function)
Deprecated.
This method relies on the
SourceFunction API, which is due to be
removed. Use the StreamExecutionEnvironment.fromSource(Source, WatermarkStrategy, String) method based on
the new Source API instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.addSource(SourceFunction<OUT> function,
String sourceName)
Deprecated.
This method relies on the
SourceFunction API, which is due to be
removed. Use the StreamExecutionEnvironment.fromSource(Source, WatermarkStrategy, String) method based on
the new Source API instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.addSource(SourceFunction<OUT> function,
String sourceName,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Deprecated.
This method relies on the
SourceFunction API, which is due to be
removed. Use the StreamExecutionEnvironment.fromSource(Source, WatermarkStrategy, String, TypeInformation)
method based on the new Source API instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.addSource(SourceFunction<OUT> function,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Deprecated.
This method relies on the
SourceFunction API, which is due to be
removed. Use the StreamExecutionEnvironment.fromSource(Source, WatermarkStrategy, String, TypeInformation)
method based on the new Source API instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.createInput(org.apache.flink.api.common.io.InputFormat<OUT,?> inputFormat)
Generic method to create an input data stream with
InputFormat. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.createInput(org.apache.flink.api.common.io.InputFormat<OUT,?> inputFormat,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Generic method to create an input data stream with
InputFormat. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromCollection(Collection<OUT> data)
Deprecated.
This method will be removed a future release, possibly as early as version 2.0.
Use
StreamExecutionEnvironment.fromData(Collection) instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromCollection(Collection<OUT> data,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Deprecated.
This method will be removed a future release, possibly as early as version 2.0.
Use
StreamExecutionEnvironment.fromData(Collection, TypeInformation) instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromCollection(Iterator<OUT> data,
Class<OUT> type)
Deprecated.
This method will be removed a future release, possibly as early as version 2.0.
Use
StreamExecutionEnvironment.fromData(Collection, TypeInformation) instead. For rate-limited data
generation, use DataGeneratorSource with RateLimiterStrategy. If you need
to use a fixed set of elements in such scenario, combine it with FromElementsGeneratorFunction. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromCollection(Iterator<OUT> data,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Deprecated.
This method will be removed a future release, possibly as early as version 2.0.
Use
StreamExecutionEnvironment.fromData(Collection, TypeInformation) instead. For rate-limited data
generation, use DataGeneratorSource with RateLimiterStrategy. If you need
to use a fixed set of elements in such scenario, combine it with FromElementsGeneratorFunction. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromData(Class<OUT> type,
OUT... data)
Creates a new data stream that contains the given elements.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromData(Collection<OUT> data)
Creates a new data stream that contains the given elements.The type of the data stream is
that of the elements in the collection.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromData(Collection<OUT> data,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Creates a new data stream that contains the given elements.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromData(OUT... data)
Creates a new data stream that contains the given elements.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromData(org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo,
OUT... data)
Creates a new data stream that contains the given elements.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromElements(Class<OUT> type,
OUT... data)
Deprecated.
This method will be removed a future release, possibly as early as version 2.0.
Use
#fromData(OUT...) instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromElements(OUT... data)
Deprecated.
This method will be removed a future release, possibly as early as version 2.0.
Use
#fromData(OUT...) instead. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromParallelCollection(org.apache.flink.util.SplittableIterator<OUT> iterator,
Class<OUT> type)
Creates a new data stream that contains elements in the iterator.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromParallelCollection(org.apache.flink.util.SplittableIterator<OUT> iterator,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Creates a new data stream that contains elements in the iterator.
|
DataStreamSource<Long> |
StreamExecutionEnvironment.fromSequence(long from,
long to)
Creates a new data stream that contains a sequence of numbers (longs) and is useful for
testing and for cases that just need a stream of N events of any kind.
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromSource(org.apache.flink.api.connector.source.Source<OUT,?,?> source,
org.apache.flink.api.common.eventtime.WatermarkStrategy<OUT> timestampsAndWatermarks,
String sourceName)
Adds a data
Source to the environment to get a DataStream. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.fromSource(org.apache.flink.api.connector.source.Source<OUT,?,?> source,
org.apache.flink.api.common.eventtime.WatermarkStrategy<OUT> timestampsAndWatermarks,
String sourceName,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInfo)
Adds a data
Source to the environment to get a DataStream. |
DataStreamSource<Long> |
StreamExecutionEnvironment.generateSequence(long from,
long to)
Deprecated.
Use
StreamExecutionEnvironment.fromSequence(long, long) instead to create a new data stream that
contains NumberSequenceSource. |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.readFile(org.apache.flink.api.common.io.FileInputFormat<OUT> inputFormat,
String filePath)
Deprecated.
Use
FileSource#forRecordStreamFormat()/forBulkFileFormat()/forRecordFileFormat() instead. An
example of reading a file using a simple TextLineInputFormat:
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.readFile(org.apache.flink.api.common.io.FileInputFormat<OUT> inputFormat,
String filePath,
FileProcessingMode watchType,
long interval)
Deprecated.
Use
FileSource#forRecordStreamFormat()/forBulkFileFormat()/forRecordFileFormat() instead. An
example of reading a file using a simple TextLineInputFormat:
|
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.readFile(org.apache.flink.api.common.io.FileInputFormat<OUT> inputFormat,
String filePath,
FileProcessingMode watchType,
long interval,
org.apache.flink.api.common.io.FilePathFilter filter)
Deprecated.
Use
FileInputFormat.setFilesFilter(FilePathFilter) to set a filter and
StreamExecutionEnvironment.readFile(FileInputFormat, String, FileProcessingMode,
long) |
<OUT> DataStreamSource<OUT> |
StreamExecutionEnvironment.readFile(org.apache.flink.api.common.io.FileInputFormat<OUT> inputFormat,
String filePath,
FileProcessingMode watchType,
long interval,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInformation)
Deprecated.
Use
FileSource#forRecordStreamFormat()/forBulkFileFormat()/forRecordFileFormat() instead. An
example of reading a file using a simple TextLineInputFormat:
|
DataStreamSource<String> |
StreamExecutionEnvironment.readTextFile(String filePath)
Deprecated.
Use
FileSource#forRecordStreamFormat()/forBulkFileFormat()/forRecordFileFormat() instead. An
example of reading a file using a simple TextLineInputFormat:
|
DataStreamSource<String> |
StreamExecutionEnvironment.readTextFile(String filePath,
String charsetName)
Deprecated.
Use
FileSource#forRecordStreamFormat()/forBulkFileFormat()/forRecordFileFormat() instead. An
example of reading a file using a simple TextLineInputFormat:
|
DataStreamSource<String> |
StreamExecutionEnvironment.socketTextStream(String hostname,
int port)
Creates a new data stream that contains the strings received infinitely from a socket.
|
DataStreamSource<String> |
StreamExecutionEnvironment.socketTextStream(String hostname,
int port,
char delimiter)
Deprecated.
|
DataStreamSource<String> |
StreamExecutionEnvironment.socketTextStream(String hostname,
int port,
char delimiter,
long maxRetry)
Deprecated.
|
DataStreamSource<String> |
StreamExecutionEnvironment.socketTextStream(String hostname,
int port,
String delimiter)
Creates a new data stream that contains the strings received infinitely from a socket.
|
DataStreamSource<String> |
StreamExecutionEnvironment.socketTextStream(String hostname,
int port,
String delimiter,
long maxRetry)
Creates a new data stream that contains the strings received infinitely from a socket.
|
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