Class Publisher.Builder (1.118.0)

public static final class Publisher.Builder

A builder of Publishers.

Inheritance

java.lang.Object > Publisher.Builder

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)

Static Methods

getDefaultBatchingSettings()

public static BatchingSettings getDefaultBatchingSettings()

Returns the default BatchingSettings used by the client if settings are not provided.

Returns

Type	Description
BatchingSettings

Methods

build()

public Publisher build()

Returns

Type	Description
Publisher

Exceptions

Type	Description
IOException

setBatchingSettings(BatchingSettings batchingSettings)

public Publisher.Builder setBatchingSettings(BatchingSettings batchingSettings)

Parameter

Name	Description
batchingSettings	`BatchingSettings`

Returns

Type	Description
Publisher.Builder

setChannelProvider(TransportChannelProvider channelProvider)

public Publisher.Builder setChannelProvider(TransportChannelProvider channelProvider)

ChannelProvider to use to create Channels, which must point at Cloud Pub/Sub endpoint.

For performance, this client benefits from having multiple underlying connections. See com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.Builder#setPoolSize(int).

Parameter

Name	Description
channelProvider	`TransportChannelProvider`

Returns

Type	Description
Publisher.Builder

setCompressionBytesThreshold(long compressionBytesThreshold)

public Publisher.Builder setCompressionBytesThreshold(long compressionBytesThreshold)

Sets the threshold (in bytes) above which messages are compressed for transport. Only takes effect if setEnableCompression(true) is also called."

Parameter

Name	Description
compressionBytesThreshold	`long`

Returns

Type	Description
Publisher.Builder

setCredentialsProvider(CredentialsProvider credentialsProvider)

public Publisher.Builder setCredentialsProvider(CredentialsProvider credentialsProvider)

CredentialsProvider to use to create Credentials to authenticate calls.

Parameter

Name	Description
credentialsProvider	`CredentialsProvider`

Returns

Type	Description
Publisher.Builder

setEnableCompression(boolean enableCompression)

public Publisher.Builder setEnableCompression(boolean enableCompression)

Gives the ability to enable transport compression.

Parameter

Name	Description
enableCompression	`boolean`

Returns

Type	Description
Publisher.Builder

setEnableMessageOrdering(boolean enableMessageOrdering)

public Publisher.Builder setEnableMessageOrdering(boolean enableMessageOrdering)

Sets the message ordering option.

Parameter

Name	Description
enableMessageOrdering	`boolean`

Returns

Type	Description
Publisher.Builder

setEndpoint(String endpoint)

public Publisher.Builder setEndpoint(String endpoint)

Gives the ability to override the gRPC endpoint.

Parameter

Name	Description
endpoint	`String`

Returns

Type	Description
Publisher.Builder

setExecutorProvider(ExecutorProvider executorProvider)

public Publisher.Builder setExecutorProvider(ExecutorProvider executorProvider)

Gives the ability to set a custom executor to be used by the library.

Parameter

Name	Description
executorProvider	`ExecutorProvider`

Returns

Type	Description
Publisher.Builder

setHeaderProvider(HeaderProvider headerProvider)

public Publisher.Builder setHeaderProvider(HeaderProvider headerProvider)

Sets the static header provider. The header provider will be called during client construction only once. The headers returned by the provider will be cached and supplied as is for each request issued by the constructed client. Some reserved headers can be overridden (e.g. Content-Type) or merged with the default value (e.g. User-Agent) by the underlying transport layer.

Parameter

Name	Description
headerProvider	`HeaderProvider` the header provider

Returns

Type	Description
Publisher.Builder	the builder

setRetrySettings(RetrySettings retrySettings)

public Publisher.Builder setRetrySettings(RetrySettings retrySettings)

Configures the Publisher's retry parameters.

Parameter

Name	Description
retrySettings	`RetrySettings`

Returns

Type	Description
Publisher.Builder

setTransform(ApiFunction<PubsubMessage,PubsubMessage> messageTransform)

public Publisher.Builder setTransform(ApiFunction<PubsubMessage,PubsubMessage> messageTransform)

Gives the ability to set an ApiFunction that will transform the PubsubMessage before it is sent

Parameter

Name	Description
messageTransform	`ApiFunction<PubsubMessage,PubsubMessage>`

Returns

Type	Description
Publisher.Builder