<pipeline> <search> <type>UserType</type> </search> <select> <path>linkRef</path> </select> <action> <type>log</type> </action> <action> <type>resolve</type> </action> </pipeline>
Chains a set of expression together. They are executed one after another; input sent to the pipeline as a whole is sent to the first expression. Output from the N-th expression is sent as an input to the N+1-th expression. Output of the last expression is considered to be the output of the whole pipeline.
Any value. It is sent to the first expression.
Output of the last expression.
Expressions that present the content of the pipeline