org.apache.flink.api.java.io

Class CsvInputFormat<OUT>

java.lang.Object

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

org.apache.flink.api.common.io.DelimitedInputFormat<OT>

org.apache.flink.api.common.io.GenericCsvInputFormat<OUT>

org.apache.flink.api.java.io.CsvInputFormat<OUT>

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.io.InputFormat<OUT,org.apache.flink.core.fs.FileInputSplit>, org.apache.flink.core.io.InputSplitSource<org.apache.flink.core.fs.FileInputSplit>

public class CsvInputFormat<OUT>
extends org.apache.flink.api.common.io.GenericCsvInputFormat<OUT>

See Also:

Serialized Form

Nested Class Summary

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

org.apache.flink.api.common.io.DelimitedInputFormat.AbstractConfigBuilder<T>, org.apache.flink.api.common.io.DelimitedInputFormat.ConfigBuilder

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

org.apache.flink.api.common.io.FileInputFormat.FileBaseStatistics, org.apache.flink.api.common.io.FileInputFormat.InputSplitOpenThread

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_FIELD_DELIMITER
static String	DEFAULT_LINE_DELIMITER

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

commentCount, commentPrefix, fieldIncluded, invalidLineCount, lineDelimiterIsLinebreak

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

RECORD_DELIMITER

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
CsvInputFormat(org.apache.flink.core.fs.Path filePath, String lineDelimiter, String fieldDelimiter, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInformation)
CsvInputFormat(org.apache.flink.core.fs.Path filePath, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInformation)

Method Summary

Modifier and Type	Method and Description
Class<?>[]	getFieldTypes()
OUT	nextRecord(OUT record)
void	open(org.apache.flink.core.fs.FileInputSplit split)
OUT	readRecord(OUT reuse, byte[] bytes, int offset, int numBytes)
void	setFields(boolean[] sourceFieldMask, Class<?>[] fieldTypes)
void	setFields(int[] sourceFieldIndices, Class<?>[] fieldTypes)
void	setFieldTypes(Class<?>... fieldTypes)
void	setOrderOfPOJOFields(String[] fieldsOrder)
String	toString()

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

checkAndCoSort, checkForMonotonousOrder, close, enableQuotedStringParsing, getCommentPrefix, getFieldDelimiter, getFieldParsers, getGenericFieldTypes, getNumberOfFieldsTotal, getNumberOfNonNullFields, isLenient, isSkippingFirstLineAsHeader, parseRecord, setCommentPrefix, setCommentPrefix, setCommentPrefix, setCommentPrefix, setCommentPrefix, setFieldDelimiter, setFieldDelimiter, setFieldDelimiter, setFieldsGeneric, setFieldsGeneric, setFieldTypesGeneric, setLenient, setSkipFirstLineAsHeader, skipFields

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

configure, configureDelimitedFormat, getBufferSize, getDelimiter, getLineLengthLimit, getNumLineSamples, getStatistics, loadGloablConfigParams, reachedEnd, readLine, setBufferSize, setDelimiter, setDelimiter, setDelimiter, setLineLengthLimit, setNumLineSamples

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

acceptFile, configureFileFormat, createInputSplits, decorateInputStream, extractFileExtension, getFilePath, getFileStats, getInflaterInputStreamFactory, getInputSplitAssigner, getMinSplitSize, getNumSplits, getOpenTimeout, getSplitLength, getSplitStart, registerInflaterInputStreamFactory, setFilePath, setFilePath, setMinSplitSize, setNumSplits, setOpenTimeout, testForUnsplittable

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LINE_DELIMITER

public static final String DEFAULT_LINE_DELIMITER

See Also:

Constant Field Values

DEFAULT_FIELD_DELIMITER

public static final String DEFAULT_FIELD_DELIMITER

See Also:

Constant Field Values

Constructor Detail

CsvInputFormat

public CsvInputFormat(org.apache.flink.core.fs.Path filePath,
                      org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInformation)

CsvInputFormat

public CsvInputFormat(org.apache.flink.core.fs.Path filePath,
                      String lineDelimiter,
                      String fieldDelimiter,
                      org.apache.flink.api.common.typeinfo.TypeInformation<OUT> typeInformation)

Method Detail

setOrderOfPOJOFields

public void setOrderOfPOJOFields(String[] fieldsOrder)

setFieldTypes

public void setFieldTypes(Class<?>... fieldTypes)

setFields

public void setFields(int[] sourceFieldIndices,
                      Class<?>[] fieldTypes)

setFields

public void setFields(boolean[] sourceFieldMask,
                      Class<?>[] fieldTypes)

getFieldTypes

public Class<?>[] getFieldTypes()

open

public void open(org.apache.flink.core.fs.FileInputSplit split)
          throws IOException

Specified by:

open in interface org.apache.flink.api.common.io.InputFormat<OUT,org.apache.flink.core.fs.FileInputSplit>

Overrides:

open in class org.apache.flink.api.common.io.GenericCsvInputFormat<OUT>

Throws:

IOException

nextRecord

public OUT nextRecord(OUT record)
               throws IOException

Specified by:

nextRecord in interface org.apache.flink.api.common.io.InputFormat<OUT,org.apache.flink.core.fs.FileInputSplit>

Overrides:

nextRecord in class org.apache.flink.api.common.io.DelimitedInputFormat<OUT>

Throws:

IOException

readRecord

public OUT readRecord(OUT reuse,
                      byte[] bytes,
                      int offset,
                      int numBytes)
               throws IOException

Specified by:

readRecord in class org.apache.flink.api.common.io.DelimitedInputFormat<OUT>

Throws:

IOException

toString

public String toString()

Overrides:

toString in class org.apache.flink.api.common.io.FileInputFormat<OUT>