Handles dag modification and other stuff related with DAG
DagManager maintains multiple version of DAGs. For each version, the DAG is immutable.
For operations like modifying a processor, it will create a new version of DAG.
Linear Supertypes
Stash, RequiresMessageQueue[DequeBasedMessageQueueSemantics], UnrestrictedStash, StashSupport, Actor, AnyRef, Any
Handles dag modification and other stuff related with DAG
DagManager maintains multiple version of DAGs. For each version, the DAG is immutable. For operations like modifying a processor, it will create a new version of DAG.