Package org.apache.drill.metastore.mongo.components.tables

Class TablesTransformer

java.lang.Object

org.apache.drill.metastore.mongo.components.tables.TablesTransformer

All Implemented Interfaces:

Transformer<TableMetadataUnit>

public class TablesTransformer
extends Object
implements Transformer<TableMetadataUnit>

Metastore Tables component filter, data and operations transformer. Provides needed transformations when reading / writing TableMetadataUnit from / into Mongo collection.

Constructor Summary

Constructors

Constructor	Description
TablesTransformer(MongoMetastoreContext<TableMetadataUnit> context)

Method Summary

Modifier and Type	Method	Description
InputDataTransformer<TableMetadataUnit>	inputData()
OperationTransformer<TableMetadataUnit>	operation()
OutputDataTransformer<TableMetadataUnit>	outputData()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.drill.metastore.mongo.transform.Transformer

filter

Constructor Details

TablesTransformer

public TablesTransformer(MongoMetastoreContext<TableMetadataUnit> context)

Method Details

inputData

public InputDataTransformer<TableMetadataUnit> inputData()

Specified by:

inputData in interface Transformer<TableMetadataUnit>

Returns:

input data transformer for specific Metastore component

outputData

public OutputDataTransformer<TableMetadataUnit> outputData()

Specified by:

outputData in interface Transformer<TableMetadataUnit>

Returns:

output data transformer for specific Metastore component

operation

public OperationTransformer<TableMetadataUnit> operation()

Specified by:

operation in interface Transformer<TableMetadataUnit>

Returns:

operation transformer for specific Metastore component