org.apache.flink.api.java.record.io

Class ExternalProcessInputSplit

java.lang.Object

org.apache.flink.core.io.GenericInputSplit

org.apache.flink.api.java.record.io.ExternalProcessInputSplit

All Implemented Interfaces:

Serializable, org.apache.flink.core.io.InputSplit

public class ExternalProcessInputSplit
extends org.apache.flink.core.io.GenericInputSplit

The ExternalProcessInputSplit contains all information for InputFormat that read their data from external processes. Each parallel instance of an InputFormat starts an external process and reads its output. The command to start the external process must be executable on all nodes.

See Also:

ExternalProcessInputFormat, ExternalProcessFixedLengthInputFormat, Serialized Form

Constructor Summary

Constructors

Constructor and Description
ExternalProcessInputSplit(int splitNumber, int numSplits, String extProcCommand) Instantiates an ExternalProcessInputSplit

Method Summary

Modifier and Type	Method and Description
String	getExternalProcessCommand() Returns the command to be executed to derive the input for this split

Methods inherited from class org.apache.flink.core.io.GenericInputSplit

equals, getSplitNumber, getTotalNumberOfSplits, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ExternalProcessInputSplit

public ExternalProcessInputSplit(int splitNumber,
                                 int numSplits,
                                 String extProcCommand)

Instantiates an ExternalProcessInputSplit

Parameters:

splitNumber - The number of the input split

extProcCommand - The command to be executed for the input split

Method Detail

getExternalProcessCommand

public String getExternalProcessCommand()

Returns the command to be executed to derive the input for this split

Returns:

the command to be executed to derive the input for this split