Documentation

Class: InterceptingListener

src/client_interceptors~ InterceptingListener

new InterceptingListener(next_listener [, delegate])

A chain-able listener object which will delegate to a custom listener when appropriate.

Parameters:
Name Type Argument Description
next_listener InterceptingListener | null

The next InterceptingListener in the chain
delegate grpc~Listener <optional>

A custom listener object which may implement specific operations

Methods

onReceiveMessage(message)

Inbound message receiver.

Parameters:
Name Type Description
message jspb.Message

onReceiveMetadata(metadata)

Inbound metadata receiver.

Parameters:
Name Type Description
metadata Metadata

onReceiveStatus(status)

Inbound status receiver.

Parameters:
Name Type Description
status grpc~StatusObject

recvMessageWithContext(context, message)

When intercepting streaming message, we need to pass the streaming context transparently along the chain. Hides the context from the delegate listener methods.

Parameters:
Name Type Description
context object

Carries objects needed for streaming operations.
message jspb.Message

The message received.