ClientSessionReadService | NodeOPCUA reference documentation

Hierarchy

ClientSessionReadService

Index

Methods

read

read(nodeToRead: ReadValueIdOptions, maxAge: number, callback: ResponseCallback<DataValue>): void
read(nodesToRead: ReadValueIdOptions[], maxAge: number, callback: ResponseCallback<DataValue[]>): void
read(nodeToRead: ReadValueIdOptions, callback: ResponseCallback<DataValue>): void
read(nodesToRead: ReadValueIdOptions[], callback: ResponseCallback<DataValue[]>): void
read(nodeToRead: ReadValueIdOptions, maxAge?: number): Promise<DataValue>
read(nodesToRead: ReadValueIdOptions[], maxAge?: number): Promise<DataValue[]>

- Defined in packages/node-opcua-client/dist/client_session.d.ts:202
Parameters
- nodeToRead: ReadValueIdOptions
- maxAge: number
- callback: ResponseCallback<DataValue>
Returns void
- Defined in packages/node-opcua-client/dist/client_session.d.ts:203
Parameters
- nodesToRead: ReadValueIdOptions[]
- maxAge: number
- callback: ResponseCallback<DataValue[]>
Returns void
- Defined in packages/node-opcua-client/dist/client_session.d.ts:204
Parameters
- nodeToRead: ReadValueIdOptions
- callback: ResponseCallback<DataValue>
Returns void
- Defined in packages/node-opcua-client/dist/client_session.d.ts:205
Parameters
- nodesToRead: ReadValueIdOptions[]
- callback: ResponseCallback<DataValue[]>
Returns void
- Defined in packages/node-opcua-client/dist/client_session.d.ts:206
Parameters
- nodeToRead: ReadValueIdOptions
- Optional maxAge: number
Returns Promise<DataValue>
- Defined in packages/node-opcua-client/dist/client_session.d.ts:207
Parameters
- nodesToRead: ReadValueIdOptions[]
- Optional maxAge: number
Returns Promise<DataValue[]>

readVariableValue

readVariableValue(nodeId: NodeIdLike, callback: ResponseCallback<DataValue>): void
readVariableValue(nodeId: NodeIdLike): Promise<DataValue>
readVariableValue(nodeIds: NodeIdLike[], callback: ResponseCallback<DataValue[]>): void
readVariableValue(nodeIds: NodeIdLike[]): Promise<DataValue[]>

- Defined in packages/node-opcua-client/dist/client_session.d.ts:211
deprecated

Parameters
- nodeId: NodeIdLike
- callback: ResponseCallback<DataValue>
Returns void
- Defined in packages/node-opcua-client/dist/client_session.d.ts:215
deprecated

Parameters
- nodeId: NodeIdLike
Returns Promise<DataValue>
- Defined in packages/node-opcua-client/dist/client_session.d.ts:219
deprecated

Parameters
- nodeIds: NodeIdLike[]
- callback: ResponseCallback<DataValue[]>
Returns void
- Defined in packages/node-opcua-client/dist/client_session.d.ts:223
deprecated

Parameters
- nodeIds: NodeIdLike[]
Returns Promise<DataValue[]>

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Hierarchy

Index

Methods

Methods

read

Parameters

nodeToRead: ReadValueIdOptions

maxAge: number

callback: ResponseCallback<DataValue>

Returns void

Parameters

nodesToRead: ReadValueIdOptions[]

maxAge: number

callback: ResponseCallback<DataValue[]>

Returns void

Parameters

nodeToRead: ReadValueIdOptions

callback: ResponseCallback<DataValue>

Returns void

Parameters

nodesToRead: ReadValueIdOptions[]

callback: ResponseCallback<DataValue[]>

Returns void

Parameters

nodeToRead: ReadValueIdOptions

Optional maxAge: number

Returns Promise<DataValue>

Parameters

nodesToRead: ReadValueIdOptions[]

Optional maxAge: number

Returns Promise<DataValue[]>

readVariableValue

Parameters

nodeId: NodeIdLike

callback: ResponseCallback<DataValue>

Returns void

Parameters

nodeId: NodeIdLike

Returns Promise<DataValue>

Parameters

nodeIds: NodeIdLike[]

callback: ResponseCallback<DataValue[]>

Returns void

Parameters

nodeIds: NodeIdLike[]

Returns Promise<DataValue[]>