the result value type. This will be any type unless the request indicated that values are to be returned, in which case this will be the data type requested.
Returns the topic path.
the topic path
Returns the topic specification.
If the request specified withProperties, the result reflect the topic's specification and can be used to create an identical topic. If the request did not specify withProperties, the specification's property map will be empty.
the topic specification
Returns the topic type.
the topic type
Returns the topic value.
This will only return a value if the fetch request specified withValues and the topic actually had a value. For topics that have no value this will return undefined.
the topic value or undefined if none available
Returns the number of values that the topic has. For a topic with no value this will return 0.
For a non times series topic with a value this will return 1. For a time series topic this will return the number of events.
the value count
Returns the size of the topic’s value (in bytes) or 0 if the topic has no value.
For time series topics this will be the size of the last event.
the value size
Return the total value size of a topic.
For a non time series topic this will be the same as valueSize()
.
For a time series topic this will be the total size of all events (in bytes).
Encapsulates the result of a fetch invocation for a single selected topic.
6.2