Class CloudExecutor.OutcomeSender (6.54.0)

public class CloudExecutor.OutcomeSender

OutcomeSender is a utility class used for sending action outcomes back to the client. For read actions, it buffers rows and sends partial read results in batches.

Inheritance

java.lang.Object > CloudExecutor.OutcomeSender

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Constructors

OutcomeSender(int actionId, CloudClientExecutor.ExecutionFlowContext context)

public OutcomeSender(int actionId, CloudClientExecutor.ExecutionFlowContext context)

Parameters
Name	Description
`actionId`	`int`
`context`	`com.google.cloud.executor.spanner.CloudClientExecutor.ExecutionFlowContext`

Methods

appendChangeStreamRecord(ChangeStreamRecord record)

public Status appendChangeStreamRecord(ChangeStreamRecord record)

Append change stream record to result.

Parameter
Name	Description
`record`	`com.google.spanner.executor.v1.ChangeStreamRecord`

Returns
Type	Description
`io.grpc.Status`

appendRow(ValueList row)

public Status appendRow(ValueList row)

Add another row to buffer. If buffer hits its size limit, buffered rows will be sent back.

Parameter
Name	Description
`row`	`com.google.spanner.executor.v1.ValueList`

Returns
Type	Description
`io.grpc.Status`

appendRowsModifiedInDml(Long rowsModified)

public void appendRowsModifiedInDml(Long rowsModified)

Add rows modified in DML to result.

Parameter
Name	Description
`rowsModified`	`Long`

finishWithError(Status err)

public Status finishWithError(Status err)

Send the last outcome with given error status.

Parameter
Name	Description
`err`	`io.grpc.Status`

Returns
Type	Description
`io.grpc.Status`

finishWithOK()

public Status finishWithOK()

Send the last outcome with OK status.

Returns
Type	Description
`io.grpc.Status`

finishWithTransactionRestarted()

public Status finishWithTransactionRestarted()

Send the last outcome with aborted error, this will set the transactionRestarted to true.

Returns
Type	Description
`io.grpc.Status`

getChangeStreamHeartbeatMilliSeconds()

public long getChangeStreamHeartbeatMilliSeconds()

Returns
Type	Description
`long`

getChangeStreamRecordReceivedTimestamp()

public long getChangeStreamRecordReceivedTimestamp()

Returns
Type	Description
`long`

getIsPartitionedChangeStreamQuery()

public boolean getIsPartitionedChangeStreamQuery()

Returns
Type	Description
`boolean`

initForBatchRead(String table, String index)

public void initForBatchRead(String table, String index)

Init the sender for batch read action, then set the table and index if there exists.

Parameters
Name	Description
`table`	`String`
`index`	`String`

initForChangeStreamQuery(long changeStreamHeartbeatMilliseconds, String changeStreamName, String partitionToken)

public void initForChangeStreamQuery(long changeStreamHeartbeatMilliseconds, String changeStreamName, String partitionToken)

Init the sender for change stream query action.

Parameters
Name	Description
`changeStreamHeartbeatMilliseconds`	`long`
`changeStreamName`	`String`
`partitionToken`	`String`

initForQuery()

public void initForQuery()

Init the sender for query action.

initForRead(String table, String index)

public void initForRead(String table, String index)

Init the sender for read action, then set the table and index if there exists.

Parameters
Name	Description
`table`	`String`
`index`	`String`

sendOutcome(SpannerActionOutcome outcome)

public Status sendOutcome(SpannerActionOutcome outcome)

Send the given SpannerActionOutcome.

Parameter
Name	Description
`outcome`	`com.google.spanner.executor.v1.SpannerActionOutcome`

Returns
Type	Description
`io.grpc.Status`

setRowType(StructType rowType)

public void setRowType(StructType rowType)

Set the rowType for appending row.

Parameter
Name	Description
`rowType`	`StructType`

setTimestamp(Timestamp timestamp)

public void setTimestamp(Timestamp timestamp)

Set the timestamp for commit.

Parameter
Name	Description
`timestamp`	`Timestamp`

updateChangeStreamRecordReceivedTimestamp(long changeStreamRecordReceivedTimestamp)

public void updateChangeStreamRecordReceivedTimestamp(long changeStreamRecordReceivedTimestamp)

Update change stream record timestamp.

Parameter
Name	Description
`changeStreamRecordReceivedTimestamp`	`long`