GraphQLWebSocketAdapter

open class GraphQLWebSocketAdapter(channel: Channel<OperationMessage<*>>, objectMapper: ObjectMapper, dispatcher: CoroutineDispatcher) : WebSocketAdapter, CoroutineScope

WebSocketAdapter implementation that bridges incoming WebSocket events into a coroutine Channel to be handled by a consumer, and provides access to the remote for sending messages to the client.

Constructors

fun GraphQLWebSocketAdapter(channel: Channel<OperationMessage<*>>, objectMapper: ObjectMapper, dispatcher: CoroutineDispatcher = Dispatchers.IO)

Types

Companion

object Companion

Functions

getRemote

open fun getRemote(): RemoteEndpoint

getSession

open fun getSession(): Session

isConnected

open fun isConnected(): Boolean

isNotConnected

open fun isNotConnected(): Boolean

onWebSocketBinary

open override fun onWebSocketBinary(p0: ByteArray, p1: Int, p2: Int)

onWebSocketClose

open override fun onWebSocketClose(statusCode: Int, reason: String?)

Notify channel that the stream is finished

onWebSocketConnect

open override fun onWebSocketConnect(p0: Session)

onWebSocketError

open override fun onWebSocketError(cause: Throwable)

Just log the error, and rely on the onWebSocketClose callback to clean up

onWebSocketText

open override fun onWebSocketText(message: String)

Parse incoming messages as OperationMessages, then send them to the channel consumer

sendMessage

internal fun sendMessage(message: OperationMessage<*>)

Convenience method for writing an OperationMessage back to the client in json format Must be called from the Subscriber's observation context

internal fun <T : Any> sendMessage(type: OperationType<T>, id: String?, payload: T? = null)

Convenience method for writing the components of an OperationMessage back to the client in json format Must be called from the Subscriber's observation context

Properties

channel

val channel: Channel<OperationMessage<*>>

coroutineContext

open override val coroutineContext: CoroutineContext

objectMapper

val objectMapper: ObjectMapper

objectWriter

val objectWriter: ObjectWriter

remote

private val remote: RemoteEndpoint

session

private val session: Session