Class Publisher.Builder (1.125.13)

A builder of Publishers.

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

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).

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

CredentialsProvider to use to create Credentials to authenticate calls.

Gives the ability to enable transport compression.

Sets the message ordering option.

Gives the ability to override the gRPC endpoint.

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

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.

Configures the Publisher's retry parameters.

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