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

Class MaterializedCollectStreamResult<C>

java.lang.Object

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

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

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

Type Parameters:

C - cluster id to which this result belongs to

All Implemented Interfaces:

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

public class MaterializedCollectStreamResult<C>
extends CollectStreamResult<C>
implements MaterializedResult<C>

Collects results and returns them as table snapshots.

Field Summary

Fields

Modifier and Type	Field and Description
static double	MATERIALIZED_TABLE_CAPACITY_FACTOR Factor for the initial capacity of the materialized table.
static int	MATERIALIZED_TABLE_MAX_INITIAL_CAPACITY Maximum initial capacity of the materialized table.
static int	MATERIALIZED_TABLE_MAX_OVERCOMMIT Maximum overcommitment of the materialized table.
static double	MATERIALIZED_TABLE_OVERCOMMIT_FACTOR Factor for cleaning up deleted rows in the materialized table.

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

executionException, resultLock

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

clusterId, webInterfaceUrl

Constructor Summary

Constructors

Constructor and Description
MaterializedCollectStreamResult(org.apache.flink.table.api.TableSchema tableSchema, org.apache.flink.api.common.ExecutionConfig config, InetAddress gatewayAddress, int gatewayPort, int maxRowCount)
MaterializedCollectStreamResult(org.apache.flink.table.api.TableSchema tableSchema, org.apache.flink.api.common.ExecutionConfig config, InetAddress gatewayAddress, int gatewayPort, int maxRowCount, int overcommitThreshold)

Method Summary

Modifier and Type	Method and Description
protected List<org.apache.flink.types.Row>	getMaterializedTable()
boolean	isMaterialized() Returns whether this result is materialized such that snapshots can be taken or results must be retrieved record-wise.
protected void	processRecord(org.apache.flink.api.java.tuple.Tuple2<Boolean,org.apache.flink.types.Row> change)
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.

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

close, getTableSink, handleMissingResult, isRetrieving, startRetrieval

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.DynamicResult

close, getTableSink, startRetrieval

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

setClusterInformation

Field Detail

MATERIALIZED_TABLE_MAX_INITIAL_CAPACITY

public static final int MATERIALIZED_TABLE_MAX_INITIAL_CAPACITY

Maximum initial capacity of the materialized table.

See Also:

Constant Field Values

MATERIALIZED_TABLE_MAX_OVERCOMMIT

public static final int MATERIALIZED_TABLE_MAX_OVERCOMMIT

Maximum overcommitment of the materialized table.

See Also:

Constant Field Values

MATERIALIZED_TABLE_CAPACITY_FACTOR

public static final double MATERIALIZED_TABLE_CAPACITY_FACTOR

Factor for the initial capacity of the materialized table.

See Also:

Constant Field Values

MATERIALIZED_TABLE_OVERCOMMIT_FACTOR

public static final double MATERIALIZED_TABLE_OVERCOMMIT_FACTOR

Factor for cleaning up deleted rows in the materialized table.

See Also:

Constant Field Values

Constructor Detail

MaterializedCollectStreamResult

@VisibleForTesting
public MaterializedCollectStreamResult(org.apache.flink.table.api.TableSchema tableSchema,
                                                          org.apache.flink.api.common.ExecutionConfig config,
                                                          InetAddress gatewayAddress,
                                                          int gatewayPort,
                                                          int maxRowCount,
                                                          int overcommitThreshold)

MaterializedCollectStreamResult

public MaterializedCollectStreamResult(org.apache.flink.table.api.TableSchema tableSchema,
                                       org.apache.flink.api.common.ExecutionConfig config,
                                       InetAddress gatewayAddress,
                                       int gatewayPort,
                                       int maxRowCount)

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>

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>

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>

processRecord

protected void processRecord(org.apache.flink.api.java.tuple.Tuple2<Boolean,org.apache.flink.types.Row> change)

Specified by:

processRecord in class CollectStreamResult<C>

getMaterializedTable

@VisibleForTesting
protected List<org.apache.flink.types.Row> getMaterializedTable()