Package com.espertech.esper.common.internal.epl.pattern.guard

Interface Summary

Interface	Description
EventGuardVisitor
Guard	Guard instances inspect a matched events and makes a determination on whether to let it pass or not.
GuardFactory	Interface for a factory for Guard instances.
GuardForge
Quitable	Receiver for quit events for use by guards.

Class Summary

Class	Description
EvalGuardFactoryNode	This class represents a guard in the evaluation tree representing an event expressions.
EvalGuardForgeNode	This class represents a guard in the evaluation tree representing an event expressions.
EvalGuardNode	This class represents a guard in the evaluation tree representing an event expressions.
EvalGuardStateNode	This class represents the state of a "within" operator in the evaluation state tree.
ExpressionGuard	Guard implementation that keeps a timer instance and quits when the timer expired, and also keeps a count of the number of matches so far, checking both count and timer, letting all MatchedEventMap instances pass until then.
ExpressionGuardFactory
ExpressionGuardForge
TimerWithinGuard	Guard implementation that keeps a timer instance and quits when the timer expired, letting all MatchedEventMap instances pass until then.
TimerWithinGuardFactory	Factory for TimerWithinGuard instances.
TimerWithinGuardForge	Forge for TimerWithinGuard instances.
TimerWithinOrMaxCountGuard	Guard implementation that keeps a timer instance and quits when the timer expired, and also keeps a count of the number of matches so far, checking both count and timer, letting all MatchedEventMap instances pass until then.
TimerWithinOrMaxCountGuardFactory
TimerWithinOrMaxCountGuardForge

Enum Summary

Enum	Description
GuardEnum	Enum for all build-in guards.

Exception Summary

Exception	Description
GuardParameterException	Thrown to indicate a validation error in guard parameterization.