org.apache.flink.client.deployment.application

Class FromJarEntryClassInformationProvider

java.lang.Object

org.apache.flink.client.deployment.application.FromJarEntryClassInformationProvider

All Implemented Interfaces:

EntryClassInformationProvider

public class FromJarEntryClassInformationProvider
extends Object
implements EntryClassInformationProvider

FromJarEntryClassInformationProvider is used for cases where the Jar archive is explicitly specified.

Method Summary

Modifier and Type	Method and Description
static FromJarEntryClassInformationProvider	createFromCustomJar(File jarFile, String jobClassName) Creates a FromJarEntryClassInformationProvider for a custom Jar archive.
static FromJarEntryClassInformationProvider	createFromPythonJar() Creates a FromJarEntryClassInformationProvider for a job implemented in Python.
Optional<File>	getJarFile() Returns the specified jarFile.
Optional<String>	getJobClassName() Returns the specified job class name that is either available in the corresponding jarFile.

Methods inherited from class java.lang.Object

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

Method Detail

createFromCustomJar

public static FromJarEntryClassInformationProvider createFromCustomJar(File jarFile,
                                                                       @Nullable
                                                                       String jobClassName)

Creates a FromJarEntryClassInformationProvider for a custom Jar archive. At least the jarFile or the jobClassName has to be set.

Parameters:

jarFile - The Jar archive.

jobClassName - The name of the job class.

Returns:

The FromJarEntryClassInformationProvider referring to the passed information.

createFromPythonJar

public static FromJarEntryClassInformationProvider createFromPythonJar()

Creates a FromJarEntryClassInformationProvider for a job implemented in Python.

Returns:

A FromJarEntryClassInformationProvider for a job implemented in Python

getJarFile

public Optional<File> getJarFile()

Returns the specified jarFile.

Specified by:

getJarFile in interface EntryClassInformationProvider

Returns:

The specified jarFile.

See Also:

getJobClassName()

getJobClassName

public Optional<String> getJobClassName()

Returns the specified job class name that is either available in the corresponding jarFile. It can return an empty Optional if the job class is the entry class of the jar.

Specified by:

getJobClassName in interface EntryClassInformationProvider

Returns:

Returns the job class that can be found in the respective jarFile. It can also return an empty Optional despite if the job class is the entry class of the jar.

See Also:

getJarFile()