3.4.3.1 Message: RequestChannelData

Topic Version1Published10/31/2016
For StandardETP v1.1

Request a data frame for the given URI.

Message Type ID: 1

Correlation Id Usage: n/a

Multi-part: n/a

Sent by: consumer

Attribute

Description

Data Type

Min

Max

uri

The URI of the channel(s) being requested.

string

1

1

fromIndex

Starting value of the primary index.

long

0

1

toIndex

Ending value of the primary index.

long

0

1

Avro Source

{

      "type": "record",

      "namespace": "Energistics.Protocol.ChannelDataFrame",

      "name": "RequestChannelData",

      "messageType": "1",

      "protocol": "2",

      "senderRole": "consumer",

      "protocolRoles": "producer,consumer",

      "fields":

     [

         { "name": "uri", "type": "string" },

         { "name": "fromIndex", "type": ["null", "long"] },

         { "name": "toIndex", "type": ["null", "long"] }

     ]

}