org.apache.flink.api.java.io

Class TypeSerializerInputFormat<T>

java.lang.Object

org.apache.flink.api.common.io.RichInputFormat<OT,FileInputSplit>

org.apache.flink.api.common.io.FileInputFormat<T>

org.apache.flink.api.common.io.BinaryInputFormat<T>

org.apache.flink.api.java.io.TypeSerializerInputFormat<T>

Type Parameters:

T -

All Implemented Interfaces:

Serializable, CheckpointableInputFormat<FileInputSplit,Tuple2<Long,Long>>, InputFormat<T,FileInputSplit>, ResultTypeQueryable<T>, InputSplitSource<FileInputSplit>

@PublicEvolving
public class TypeSerializerInputFormat<T>
extends BinaryInputFormat<T>
implements ResultTypeQueryable<T>

Reads elements by deserializing them with a given type serializer.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.api.common.io.BinaryInputFormat

BinaryInputFormat.BlockBasedInput

Nested classes/interfaces inherited from class org.apache.flink.api.common.io.FileInputFormat

FileInputFormat.FileBaseStatistics, FileInputFormat.InputSplitOpenThread

Field Summary

Fields inherited from class org.apache.flink.api.common.io.BinaryInputFormat

BLOCK_SIZE_PARAMETER_KEY, NATIVE_BLOCK_SIZE

Fields inherited from class org.apache.flink.api.common.io.FileInputFormat

currentSplit, ENUMERATE_NESTED_FILES_FLAG, enumerateNestedFiles, filePath, INFLATER_INPUT_STREAM_FACTORIES, minSplitSize, numSplits, openTimeout, READ_WHOLE_SPLIT_FLAG, splitLength, splitStart, stream, unsplittable

Constructor Summary

Constructors

Constructor and Description
TypeSerializerInputFormat(TypeInformation<T> resultType)

Method Summary

Modifier and Type	Method and Description
protected T	deserialize(T reuse, DataInputView dataInput)
TypeInformation<T>	getProducedType() Gets the data type (as a TypeInformation) produced by this function or input format.

Methods inherited from class org.apache.flink.api.common.io.BinaryInputFormat

configure, createBlockInfo, createInputSplits, createStatistics, getBlockSize, getCurrentState, getFiles, getInputSplits, getStatistics, nextRecord, open, reachedEnd, reopen, setBlockSize

Methods inherited from class org.apache.flink.api.common.io.FileInputFormat

acceptFile, close, decorateInputStream, extractFileExtension, getFilePath, getFilePaths, getFileStats, getFileStats, getInflaterInputStreamFactory, getInputSplitAssigner, getMinSplitSize, getNestedFileEnumeration, getNumSplits, getOpenTimeout, getSplitLength, getSplitStart, registerInflaterInputStreamFactory, setFilePath, setFilePath, setFilePaths, setFilePaths, setFilesFilter, setMinSplitSize, setNestedFileEnumeration, setNumSplits, setOpenTimeout, supportsMultiPaths, testForUnsplittable, toString

Methods inherited from class org.apache.flink.api.common.io.RichInputFormat

closeInputFormat, getRuntimeContext, openInputFormat, setRuntimeContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TypeSerializerInputFormat

public TypeSerializerInputFormat(TypeInformation<T> resultType)

Method Detail

deserialize

protected T deserialize(T reuse,
                        DataInputView dataInput)
                 throws IOException

Specified by:

deserialize in class BinaryInputFormat<T>

Throws:

IOException

getProducedType

public TypeInformation<T> getProducedType()

Description copied from interface: ResultTypeQueryable

Gets the data type (as a TypeInformation) produced by this function or input format.

Specified by:

getProducedType in interface ResultTypeQueryable<T>

Returns:

The data type produced by this function or input format.