org.apache.flink.connector.nebula.source

Class NebulaInputRowFormat

java.lang.Object

org.apache.flink.api.common.io.RichInputFormat<T,org.apache.flink.core.io.InputSplit>

org.apache.flink.connector.nebula.source.NebulaInputFormat<org.apache.flink.types.Row>

org.apache.flink.connector.nebula.source.NebulaInputRowFormat

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.io.InputFormat<org.apache.flink.types.Row,org.apache.flink.core.io.InputSplit>, org.apache.flink.core.io.InputSplitSource<org.apache.flink.core.io.InputSplit>

public class NebulaInputRowFormat
extends NebulaInputFormat<org.apache.flink.types.Row>

implementation of NebulaInputFormat. Read NebulaGraph data in flink's Row format.

how to use: NebulaInputRowFormat inputFormat = new NebulaInputRowFormat (storageConnectionProvider, vertexExecutionOptions); DataSource dataSource = env.createInput(inputFormat);

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.connector.nebula.source.NebulaInputFormat

executionOptions, hasNext, LOG, metaConnectionProvider, nebulaConverter, rows, storageConnectionProvider

Constructor Summary

Constructors

Constructor and Description
NebulaInputRowFormat(NebulaStorageConnectionProvider storageConnectionProvider, ExecutionOptions executionOptions)

Method Summary

Modifier and Type	Method and Description
void	open(org.apache.flink.core.io.InputSplit inputSplit)

Methods inherited from class org.apache.flink.connector.nebula.source.NebulaInputFormat

close, closeInputFormat, configure, createInputSplits, getInputSplitAssigner, getStatistics, nextRecord, openInputFormat, reachedEnd, setExecutionOptions

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

getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

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

Constructor Detail

NebulaInputRowFormat

public NebulaInputRowFormat(NebulaStorageConnectionProvider storageConnectionProvider,
                            ExecutionOptions executionOptions)

Method Detail

open

public void open(org.apache.flink.core.io.InputSplit inputSplit)
          throws IOException

Specified by:

open in interface org.apache.flink.api.common.io.InputFormat<org.apache.flink.types.Row,org.apache.flink.core.io.InputSplit>

Overrides:

open in class NebulaInputFormat<org.apache.flink.types.Row>

Throws:

IOException