Package com.google.cloud.bigtable.data.v2.stub.changestream

Class ReadChangeStreamResumptionStrategy<ChangeStreamRecordT>

java.lang.Object

com.google.cloud.bigtable.data.v2.stub.changestream.ReadChangeStreamResumptionStrategy<ChangeStreamRecordT>

All Implemented Interfaces:

com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>

@InternalApi
public class ReadChangeStreamResumptionStrategy<ChangeStreamRecordT>
extends Object
implements com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>

An implementation of a StreamResumptionStrategy for change stream records. This class tracks the continuation token and upon retry can build a request to resume the stream from where it left off.

This class is considered an internal implementation detail and not meant to be used by applications.

Constructor Summary

Constructors

Constructor	Description
ReadChangeStreamResumptionStrategy(ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter)

Method Summary

Modifier and Type	Method	Description
boolean	canResume()
com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>	createNew()
com.google.bigtable.v2.ReadChangeStreamRequest	getResumeRequest(com.google.bigtable.v2.ReadChangeStreamRequest originalRequest)
ChangeStreamRecordT	processResponse(ChangeStreamRecordT response)

Methods inherited from class java.lang.Object

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

Constructor Details

ReadChangeStreamResumptionStrategy

public ReadChangeStreamResumptionStrategy(ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter)

Method Details

canResume

public boolean canResume()

Specified by:

canResume in interface com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>

createNew

public com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT> createNew()

Specified by:

createNew in interface com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>

processResponse

public ChangeStreamRecordT processResponse(ChangeStreamRecordT response)

Specified by:

processResponse in interface com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>

getResumeRequest

public com.google.bigtable.v2.ReadChangeStreamRequest getResumeRequest(com.google.bigtable.v2.ReadChangeStreamRequest originalRequest)

Given a request, this implementation will narrow that request to include data changes that come after token.

Specified by:

getResumeRequest in interface com.google.api.gax.retrying.StreamResumptionStrategy<com.google.bigtable.v2.ReadChangeStreamRequest,ChangeStreamRecordT>