com.espertech.esper.pattern
Interface EvalNode

All Known Implementing Classes:

EvalAndNode, EvalAuditNode, EvalEveryDistinctNode, EvalEveryNode, EvalFilterNode, EvalFollowedByNode, EvalGuardNode, EvalMatchUntilNode, EvalNodeBase, EvalNotNode, EvalObserverNode, EvalOrNode, EvalRootNode

public interface EvalNode

Superclass of all nodes in an evaluation tree representing an event pattern expression. Follows the Composite pattern. Child nodes do not carry references to parent nodes, the tree is unidirectional.

Method Summary

EvalStateNode

newState(Evaluator parentNode, EvalStateNodeNumber stateNodeNumber, long stateNodeId)

Method Detail

newState

EvalStateNode newState(Evaluator parentNode,
                       EvalStateNodeNumber stateNodeNumber,
                       long stateNodeId)