In the doc, https://developers.refinitiv.com/article/elektron-messaging-api-java-batch-and-view-features, it describes a sample of using View to subscribe a few of Fields by FIDs. Is it able to subscribe by 'FieldName', e.g. 'TRDPRC_1', 'BID, 'ASK' etc? Thanks.
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Hello @tony.zhu
ADS does not support Field Filtering by Field Name; only FIDs are supported. If Field Names are used, all fields are returned with the status text "Unsupported view type" as an example shown below:
Item Name: IBM.N Service Name: ELEKTRON_REPLABLINUX1 Item State: Open / Ok / Unsupported view type / 'OK' Fid: 1 Name = PROD_PERM DataType: UInt Value: 62 Fid: 2 Name = RDNDISPLAY DataType: UInt Value: 64 Fid: 3 Name = DSPLY_NAME DataType: Rmtes Value: INTL BUS MACHINE Fid: 4 Name = RDN_EXCHID DataType: Enum Value: NYS Fid: 6 Name = TRDPRC_1 DataType: Real Value: 116.76 ...
For more details, please refer to 7.24 Field Filtering in ADS Software Installation Manual
Anyway, you may consider WebSocket API which allows you to sends Field Names in a View request as the following example:
Note: WebSocket API requires TREP version 3.2.1 and above with the WebSocket connection enable.
