org.apache.flink.connector.nebula.sink

Class NebulaBatchOutputFormat<T>

java.lang.Object

org.apache.flink.api.common.io.RichOutputFormat<T>

org.apache.flink.connector.nebula.sink.NebulaBatchOutputFormat<T>

All Implemented Interfaces:

Flushable, Serializable, org.apache.flink.api.common.io.OutputFormat<T>

Direct Known Subclasses:

NebulaBatchTableOutputFormat

public class NebulaBatchOutputFormat<T>
extends org.apache.flink.api.common.io.RichOutputFormat<T>
implements Flushable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected ExecutionOptions	executionOptions
protected com.vesoft.nebula.client.meta.MetaClient	metaClient
protected NebulaMetaConnectionProvider	metaProvider
protected NebulaBatchExecutor	nebulaBatchExecutor

Constructor Summary

Constructors

Constructor and Description
NebulaBatchOutputFormat(NebulaGraphConnectionProvider graphProvider, NebulaMetaConnectionProvider metaProvider)

Method Summary

Modifier and Type	Method and Description
void	close() commit the batch write operator before release connection
void	configure(org.apache.flink.configuration.Configuration configuration)
void	flush() commit the batch write operator
void	open(int i, int i1) prepare all resources
NebulaBatchOutputFormat<T>	setExecutionOptions(ExecutionOptions executionOptions)
protected void	setNebulaBatchExecutor()
void	writeRecord(T row) write one record to buffer

Methods inherited from class org.apache.flink.api.common.io.RichOutputFormat

getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

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

Field Detail

metaClient

protected com.vesoft.nebula.client.meta.MetaClient metaClient

nebulaBatchExecutor

protected NebulaBatchExecutor nebulaBatchExecutor

metaProvider

protected NebulaMetaConnectionProvider metaProvider

executionOptions

protected ExecutionOptions executionOptions

Constructor Detail

NebulaBatchOutputFormat

public NebulaBatchOutputFormat(NebulaGraphConnectionProvider graphProvider,
                               NebulaMetaConnectionProvider metaProvider)

Method Detail

configure

public void configure(org.apache.flink.configuration.Configuration configuration)

Specified by:

configure in interface org.apache.flink.api.common.io.OutputFormat<T>

open

public void open(int i,
                 int i1)
          throws IOException

prepare all resources

Specified by:

open in interface org.apache.flink.api.common.io.OutputFormat<T>

Throws:

IOException

setNebulaBatchExecutor

protected void setNebulaBatchExecutor()

writeRecord

public final void writeRecord(T row)

write one record to buffer

Specified by:

writeRecord in interface org.apache.flink.api.common.io.OutputFormat<T>

close

public final void close()

commit the batch write operator before release connection

Specified by:

close in interface org.apache.flink.api.common.io.OutputFormat<T>

flush

public void flush()
           throws IOException

commit the batch write operator

Specified by:

flush in interface Flushable

Throws:

IOException

setExecutionOptions

public NebulaBatchOutputFormat<T> setExecutionOptions(ExecutionOptions executionOptions)