org.apache.flink.table.client.gateway.local.result

Class MaterializedCollectBatchResult<C>

java.lang.Object

org.apache.flink.table.client.gateway.local.result.BasicResult<C>

org.apache.flink.table.client.gateway.local.result.MaterializedCollectBatchResult<C>

All Implemented Interfaces:

DynamicResult<C>, MaterializedResult<C>, Result<C>

public class MaterializedCollectBatchResult<C>
extends BasicResult<C>
implements MaterializedResult<C>

Collects results using accumulators and returns them as table snapshots.

Field Summary

Fields inherited from class org.apache.flink.table.client.gateway.local.result.BasicResult

clusterId, webInterfaceUrl

Constructor Summary

Constructors

Constructor and Description
MaterializedCollectBatchResult(org.apache.flink.table.api.TableSchema tableSchema, org.apache.flink.api.java.typeutils.RowTypeInfo outputType, org.apache.flink.api.common.ExecutionConfig config)

Method Summary

Modifier and Type	Method and Description
void	close() Closes the retrieval and all involved threads.
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row>	getOutputType() Returns the output type as defined by the query.
org.apache.flink.table.sinks.TableSink<?>	getTableSink() Returns the table sink required by this result type.
boolean	isMaterialized() Returns whether this result is materialized such that snapshots can be taken or results must be retrieved record-wise.
List<org.apache.flink.types.Row>	retrievePage(int page) Retrieves a page of a snapshotted result.
TypedResult<Integer>	snapshot(int pageSize) Takes a snapshot of the current table and returns the number of pages for navigating through the snapshot.
void	startRetrieval(ProgramDeployer<C> deployer) Starts the table program using the given deployer and monitors it's execution.

Methods inherited from class org.apache.flink.table.client.gateway.local.result.BasicResult

getClusterId, getWebInterfaceUrl, setClusterInformation

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.client.gateway.local.result.Result

setClusterInformation

Constructor Detail

MaterializedCollectBatchResult

public MaterializedCollectBatchResult(org.apache.flink.table.api.TableSchema tableSchema,
                                      org.apache.flink.api.java.typeutils.RowTypeInfo outputType,
                                      org.apache.flink.api.common.ExecutionConfig config)

Method Detail

isMaterialized

public boolean isMaterialized()

Description copied from interface: DynamicResult

Returns whether this result is materialized such that snapshots can be taken or results must be retrieved record-wise.

Specified by:

isMaterialized in interface DynamicResult<C>

getOutputType

public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row> getOutputType()

Description copied from interface: DynamicResult

Returns the output type as defined by the query.

Specified by:

getOutputType in interface DynamicResult<C>

startRetrieval

public void startRetrieval(ProgramDeployer<C> deployer)

Description copied from interface: DynamicResult

Starts the table program using the given deployer and monitors it's execution.

Specified by:

startRetrieval in interface DynamicResult<C>

getTableSink

public org.apache.flink.table.sinks.TableSink<?> getTableSink()

Description copied from interface: DynamicResult

Returns the table sink required by this result type.

Specified by:

getTableSink in interface DynamicResult<C>

close

public void close()

Description copied from interface: DynamicResult

Closes the retrieval and all involved threads.

Specified by:

close in interface DynamicResult<C>

retrievePage

public List<org.apache.flink.types.Row> retrievePage(int page)

Description copied from interface: MaterializedResult

Retrieves a page of a snapshotted result.

Specified by:

retrievePage in interface MaterializedResult<C>

snapshot

public TypedResult<Integer> snapshot(int pageSize)

Description copied from interface: MaterializedResult

Takes a snapshot of the current table and returns the number of pages for navigating through the snapshot.

Specified by:

snapshot in interface MaterializedResult<C>