Skip to main content

IDeltaConnection Interface

Interface to represent a connection to a delta notification stream.

This API is provided for existing users, but is not recommended for new users.

To use, import via @fluidframework/datastore-definitions/legacy.

For more information about our API support guarantees, see here.

Signature

export interface IDeltaConnection

Properties

PropertyAlertsTypeDescription
connectedBetaboolean

Methods

MethodAlertsReturn TypeDescription
attach(handler)BetavoidAttaches a message handler to the delta connection
dirty()BetavoidIndicates that the channel is dirty and needs to be part of the summary. It is called by a SharedSummaryBlock that needs to be part of the summary but does not generate ops.
submit(messageContent, localOpMetadata)BetavoidSend new messages to the server.

Property Details

connected

This API is provided for existing users, but is not recommended for new users.

For more information about our API support guarantees, see here.

Signature

connected: boolean;

Type: boolean

Method Details

attach

Attaches a message handler to the delta connection

This API is provided for existing users, but is not recommended for new users.

For more information about our API support guarantees, see here.

Signature

attach(handler: IDeltaHandler): void;

Parameters

ParameterTypeDescription
handlerIDeltaHandler

dirty

Indicates that the channel is dirty and needs to be part of the summary. It is called by a SharedSummaryBlock that needs to be part of the summary but does not generate ops.

This API is provided for existing users, but is not recommended for new users.

For more information about our API support guarantees, see here.

Signature

dirty(): void;

submit

Send new messages to the server.

This API is provided for existing users, but is not recommended for new users.

For more information about our API support guarantees, see here.

Signature

submit(messageContent: any, localOpMetadata: unknown): void;

Parameters

ParameterTypeDescription
messageContentanyThe content of the message to be sent.
localOpMetadataunknownThe local metadata associated with the message. This is kept locally by the runtime and not sent to the server. It will be provided back when this message is acknowledged by the server. It will also be provided back when asked to resubmit the message.