Expression tree

A tree of expression terms that each evaluate to a boolean (True/False) value. Terms can be grouped together within an expression operator (AND, OR, NOT).

For example:

AND (
  Feed is CSV_FEED
  Type = Raw Events
)

Expression Trees are used in Processor Filters Processor filter A Processor Filter is used to used to find Streams to process through the Pipeline associated with the Processor Filter. A Processor Filter consists of an expression tree to select which Streams to process and a tracker to track the what Streams have been processed.Click to see more details... and Query Query The search Query in a Dashboard that selects the data to display. The Query is constructed using an Expression Tree of terms.Click to see more details... expressions.

Expression tree

See Also