org.apache.flink.api.common.operators.base

Class FileDataSourceBase<OUT>

java.lang.Object

org.apache.flink.api.common.operators.Operator<OUT>

org.apache.flink.api.common.operators.GenericDataSourceBase<OUT,FileInputFormat<OUT>>

org.apache.flink.api.common.operators.base.FileDataSourceBase<OUT>

All Implemented Interfaces:

Visitable<Operator<?>>

public class FileDataSourceBase<OUT>
extends GenericDataSourceBase<OUT,FileInputFormat<OUT>>

Operator for input nodes which read data from files.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.api.common.operators.GenericDataSourceBase

GenericDataSourceBase.SplitDataProperties<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected String	filePath

Fields inherited from class org.apache.flink.api.common.operators.GenericDataSourceBase

formatWrapper, statisticsKey

Fields inherited from class org.apache.flink.api.common.operators.Operator

compilerHints, name, operatorInfo, parameters

Constructor Summary

Constructors

Constructor and Description
FileDataSourceBase(Class<? extends FileInputFormat<OUT>> f, OperatorInformation<OUT> operatorInfo, String filePath) Creates a new instance for the given file using the given input format.
FileDataSourceBase(Class<? extends FileInputFormat<OUT>> f, OperatorInformation<OUT> operatorInfo, String filePath, String name) Creates a new instance for the given file using the given file input format.
FileDataSourceBase(FileInputFormat<OUT> f, OperatorInformation<OUT> operatorInfo, String filePath) Creates a new instance for the given file using the given input format.
FileDataSourceBase(FileInputFormat<OUT> f, OperatorInformation<OUT> operatorInfo, String filePath, String name) Creates a new instance for the given file using the given file input format.

Method Summary

Methods

Modifier and Type	Method and Description
String	getFilePath() Returns the file path from which the input is read.
String	toString()

Methods inherited from class org.apache.flink.api.common.operators.GenericDataSourceBase

accept, executeOnCollections, getFormatWrapper, getSplitDataProperties, getStatisticsKey, getUserCodeWrapper, setSplitDataProperties, setStatisticsKey

Methods inherited from class org.apache.flink.api.common.operators.Operator

createUnionCascade, createUnionCascade, createUnionCascade, getCompilerHints, getName, getOperatorInfo, getParallelism, getParameters, setName, setParallelism, setParameter, setParameter, setParameter

Methods inherited from class java.lang.Object

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

Field Detail

filePath

protected final String filePath

Constructor Detail

FileDataSourceBase

public FileDataSourceBase(FileInputFormat<OUT> f,
                  OperatorInformation<OUT> operatorInfo,
                  String filePath,
                  String name)

Creates a new instance for the given file using the given file input format.

Parameters:

f - The FileInputFormat implementation used to read the data.

operatorInfo - The type information for the output type.

filePath - The file location. The file path must be a fully qualified URI, including the address schema.

name - The given name for the Pact, used in plans, logs and progress messages.

FileDataSourceBase

public FileDataSourceBase(FileInputFormat<OUT> f,
                  OperatorInformation<OUT> operatorInfo,
                  String filePath)

Creates a new instance for the given file using the given input format. The contract has the default name.

Parameters:

f - The FileInputFormat implementation used to read the data.

operatorInfo - The type information for the output type.

filePath - The file location. The file path must be a fully qualified URI, including the address schema.

FileDataSourceBase

public FileDataSourceBase(Class<? extends FileInputFormat<OUT>> f,
                  OperatorInformation<OUT> operatorInfo,
                  String filePath,
                  String name)

Creates a new instance for the given file using the given file input format.

Parameters:

f - The FileInputFormat implementation used to read the data.

operatorInfo - The type information for the output type.

filePath - The file location. The file path must be a fully qualified URI, including the address schema.

name - The given name for the Pact, used in plans, logs and progress messages.

FileDataSourceBase

public FileDataSourceBase(Class<? extends FileInputFormat<OUT>> f,
                  OperatorInformation<OUT> operatorInfo,
                  String filePath)

Creates a new instance for the given file using the given input format. The contract has the default name.

Parameters:

f - The FileInputFormat implementation used to read the data.

operatorInfo - The type information for the output type.

filePath - The file location. The file path must be a fully qualified URI, including the address schema.

Method Detail

getFilePath

public String getFilePath()

Returns the file path from which the input is read.

Returns:

The path from which the input shall be read.

toString

public String toString()

Overrides:

toString in class GenericDataSourceBase<OUT,FileInputFormat<OUT>>