eu.stratosphere.api.java.io

Class AvroInputFormat<E>

java.lang.Object

eu.stratosphere.api.common.io.FileInputFormat<E>

eu.stratosphere.api.java.io.AvroInputFormat<E>

All Implemented Interfaces:

eu.stratosphere.api.common.io.InputFormat<E,eu.stratosphere.core.fs.FileInputSplit>, ResultTypeQueryable<E>, Serializable

public class AvroInputFormat<E>
extends eu.stratosphere.api.common.io.FileInputFormat<E>
implements ResultTypeQueryable<E>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class eu.stratosphere.api.common.io.FileInputFormat

eu.stratosphere.api.common.io.FileInputFormat.AbstractConfigBuilder<T>, eu.stratosphere.api.common.io.FileInputFormat.ConfigBuilder, eu.stratosphere.api.common.io.FileInputFormat.FileBaseStatistics, eu.stratosphere.api.common.io.FileInputFormat.InputSplitOpenThread

Field Summary

Fields inherited from class eu.stratosphere.api.common.io.FileInputFormat

DEFLATE_SUFFIX, filePath, minSplitSize, numSplits, openTimeout, READ_WHOLE_SPLIT_FLAG, splitLength, splitStart, stream, unsplittable

Constructor Summary

Constructors

Constructor and Description
AvroInputFormat(eu.stratosphere.core.fs.Path filePath, Class<E> type)

Method Summary

Modifier and Type	Method and Description
eu.stratosphere.types.TypeInformation<E>	getProducedType()
E	nextRecord(E reuseValue)
void	open(eu.stratosphere.core.fs.FileInputSplit split)
boolean	reachedEnd()
void	setReuseAvroValue(boolean reuseAvroValue) Sets the flag whether to reuse the Avro value instance for all records.

Methods inherited from class eu.stratosphere.api.common.io.FileInputFormat

acceptFile, close, configure, configureFileFormat, createInputSplits, getFilePath, getFileStats, getInputSplitType, getMinSplitSize, getNumSplits, getOpenTimeout, getSplitLength, getSplitStart, getStatistics, setFilePath, setFilePath, setMinSplitSize, setNumSplits, setOpenTimeout, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroInputFormat

public AvroInputFormat(eu.stratosphere.core.fs.Path filePath,
                       Class<E> type)

Method Detail

setReuseAvroValue

public void setReuseAvroValue(boolean reuseAvroValue)

Sets the flag whether to reuse the Avro value instance for all records. By default, the input format reuses the Avro value.

Parameters:

reuseAvroValue - True, if the input format should reuse the Avro value instance, false otherwise.

getProducedType

public eu.stratosphere.types.TypeInformation<E> getProducedType()

Specified by:

getProducedType in interface ResultTypeQueryable<E>

open

public void open(eu.stratosphere.core.fs.FileInputSplit split)
          throws IOException

Specified by:

open in interface eu.stratosphere.api.common.io.InputFormat<E,eu.stratosphere.core.fs.FileInputSplit>

Overrides:

open in class eu.stratosphere.api.common.io.FileInputFormat<E>

Throws:

IOException

reachedEnd

public boolean reachedEnd()
                   throws IOException

Specified by:

reachedEnd in interface eu.stratosphere.api.common.io.InputFormat<E,eu.stratosphere.core.fs.FileInputSplit>

Throws:

IOException

nextRecord

public E nextRecord(E reuseValue)
             throws IOException

Specified by:

nextRecord in interface eu.stratosphere.api.common.io.InputFormat<E,eu.stratosphere.core.fs.FileInputSplit>

Throws:

IOException