Package datahub.client.file

Class FileEmitter

java.lang.Object

datahub.client.file.FileEmitter

All Implemented Interfaces:

Emitter, java.io.Closeable, java.lang.AutoCloseable

public class FileEmitter
extends java.lang.Object
implements Emitter

Constructor Summary

Constructors

Constructor	Description
FileEmitter(FileEmitterConfig config)	The default constructor

Method Summary

Modifier and Type	Method	Description
void	close()
java.util.concurrent.Future<MetadataWriteResponse>	emit(com.linkedin.mxe.MetadataChangeProposal mcp, Callback callback)	Asynchronously emit a MetadataChangeProposal event.
java.util.concurrent.Future<MetadataWriteResponse>	emit(MetadataChangeProposalWrapper mcpw, Callback callback)	Asynchronously emit a MetadataChangeProposalWrapper event.
java.util.concurrent.Future<MetadataWriteResponse>	emit(java.util.List<UpsertAspectRequest> request, Callback callback)	Asynchronously emit a UpsertAspectRequest.
boolean	testConnection()	Test that the emitter can establish a valid connection to the DataHub platform

Methods inherited from class java.lang.Object

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

Methods inherited from interface datahub.client.Emitter

emit, emit

Constructor Detail

FileEmitter

public FileEmitter(FileEmitterConfig config)

The default constructor

Parameters:

config -

Method Detail

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

emit

public java.util.concurrent.Future<MetadataWriteResponse> emit(MetadataChangeProposalWrapper mcpw,
                                                               Callback callback)
                                                        throws java.io.IOException

Description copied from interface: Emitter

Asynchronously emit a MetadataChangeProposalWrapper event.

Specified by:

emit in interface Emitter

callback - if not null, is called from the IO thread. Should be a quick operation.

Returns:

a Future for callers to inspect the result of the operation or block until one is available

Throws:

java.io.IOException

emit

public java.util.concurrent.Future<MetadataWriteResponse> emit(com.linkedin.mxe.MetadataChangeProposal mcp,
                                                               Callback callback)
                                                        throws java.io.IOException

Description copied from interface: Emitter

Asynchronously emit a MetadataChangeProposal event. Prefer using the sibling method that accepts a MetadataChangeProposalWrapper event as those are friendlier to construct.

Specified by:

emit in interface Emitter

callback - if not null, is called from the IO thread. Should be a quick operation.

Returns:

a Future for callers to inspect the result of the operation or block until one is available

Throws:

java.io.IOException

testConnection

public boolean testConnection()
                       throws java.io.IOException,
                              java.util.concurrent.ExecutionException,
                              java.lang.InterruptedException

Description copied from interface: Emitter

Test that the emitter can establish a valid connection to the DataHub platform

Specified by:

testConnection in interface Emitter

Returns:

true if a valid connection can be established, false or throws one of the exceptions otherwise

Throws:

java.io.IOException

java.util.concurrent.ExecutionException

java.lang.InterruptedException

emit

public java.util.concurrent.Future<MetadataWriteResponse> emit(java.util.List<UpsertAspectRequest> request,
                                                               Callback callback)
                                                        throws java.io.IOException

Description copied from interface: Emitter

Asynchronously emit a UpsertAspectRequest.

Specified by:

emit in interface Emitter

Parameters:

request - request with with metadata aspect to upsert into DataHub

Returns:

a Future for callers to inspect the result of the operation or block until one is available

Throws:

java.io.IOException