The DataSetMessageContentMask defines the flags for the content of the DataSetMessage header. The JSON message mapping specific flags are defined by the JsonDataSetMessageContentMask DataType.
The JsonDataSetMessageContentMask DataType is formally defined in Table 97.
Table 97 – JsonDataSetMessageContentMask values
|
Value |
Bit No. |
Description |
|
DataSetWriterId |
0 |
If this flag is set, a DataSetWriterId shall be included in the DataSetMessage header. |
|
MetaDataVersion |
1 |
If this flag is set, the ConfigurationVersion is included in the DataSetMessage header. |
|
SequenceNumber |
2 |
If this flag is set, the DataSetMessageSequenceNumber is included in the DataSetMessage header. |
|
Timestamp |
3 |
If this flag is set, a timestamp shall be included in the DataSetMessage header. |
|
Status |
4 |
If this flag is set, an overall status is included in the DataSetMessage header. |
|
MessageType |
5 |
If this flag is set, the message type is included in the DataSetMessage header. |
|
DataSetWriterName |
6 |
If this flag is set, a DataSetWriterName shall be included in the DataSetMessage header. |
|
ReversibleFieldEncoding |
7 |
If this flag is set, the DataSetMessage fields are encoded in the reversible JSON encoding and in the non-reversible JSON encoding otherwise. |
|
PublisherId |
8 |
The PublisherId is included in the DataSetMessages. This bit shall be false if the NetworkMessageHeader is active. |
|
WriterGroupName |
9 |
The WriterGroup name is included in the DataSetMessages. If the WriterGroup name is included in the NetworkMessage header, it shall not be included in the DataSetMessages. |
|
MinorVersion |
10 |
If this flag is set, the MinorVersion field of the ConfigurationVersion is included in the DataSetMessage header. |
The JsonDataSetMessageContentMask representation in the AddressSpace is defined in Table 98.
Table 98 – JsonDataSetMessageContentMask definition
|
Attribute |
Value |
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|
BrowseName |
JsonDataSetMessageContentMask |
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|
IsAbstract |
False |
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References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Others |
|
Subtype of UInt32 defined in OPC 10000-5 |
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|
HasProperty |
Variable |
OptionSetValues |
LocalizedText [] |
PropertyType |
|
|
Conformance Units |
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|
PubSub Parameters JSON |
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