org.apache.flink.connector.hbase2.source

Class HBaseRowDataAsyncLookupFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.AsyncTableFunction<org.apache.flink.table.data.RowData>

org.apache.flink.connector.hbase2.source.HBaseRowDataAsyncLookupFunction

All Implemented Interfaces:

Serializable, org.apache.flink.table.functions.FunctionDefinition

@Internal
public class HBaseRowDataAsyncLookupFunction
extends org.apache.flink.table.functions.AsyncTableFunction<org.apache.flink.table.data.RowData>

The HBaseRowDataAsyncLookupFunction is an implemenation to lookup HBase data by rowkey in async fashion. It looks up the result as RowData.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HBaseRowDataAsyncLookupFunction(org.apache.hadoop.conf.Configuration configuration, String hTableName, org.apache.flink.connector.hbase.util.HBaseTableSchema hbaseTableSchema, String nullStringLiteral, org.apache.flink.connector.hbase.options.HBaseLookupOptions lookupOptions)

Method Summary

Modifier and Type	Method and Description
void	close()
void	eval(CompletableFuture<Collection<org.apache.flink.table.data.RowData>> future, Object rowKey) The invoke entry point of lookup function.
String	getHTableName()
void	open(org.apache.flink.table.functions.FunctionContext context)

Methods inherited from class org.apache.flink.table.functions.AsyncTableFunction

getKind, getTypeInference

Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction

functionIdentifier, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.functions.FunctionDefinition

getRequirements, isDeterministic

Constructor Detail

HBaseRowDataAsyncLookupFunction

public HBaseRowDataAsyncLookupFunction(org.apache.hadoop.conf.Configuration configuration,
                                       String hTableName,
                                       org.apache.flink.connector.hbase.util.HBaseTableSchema hbaseTableSchema,
                                       String nullStringLiteral,
                                       org.apache.flink.connector.hbase.options.HBaseLookupOptions lookupOptions)

Method Detail

open

public void open(org.apache.flink.table.functions.FunctionContext context)

Overrides:

open in class org.apache.flink.table.functions.UserDefinedFunction

eval

public void eval(CompletableFuture<Collection<org.apache.flink.table.data.RowData>> future,
                 Object rowKey)

The invoke entry point of lookup function.

Parameters:

future - The result or exception is returned.

rowKey - the lookup key. Currently only support single rowkey.

close

public void close()

Overrides:

close in class org.apache.flink.table.functions.UserDefinedFunction

getHTableName

@VisibleForTesting
public String getHTableName()