org.drools.ruleunit

Interface RuleUnit

public interface RuleUnit

Rule units represent a purely declarative approach to partition a rules set into smaller units, binding different data sources to those units and orchestrate the execution of the individual unit. A rule unit is an aggregate of data sources, global variables and rules.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	RuleUnit.Identity

Method Summary

Modifier and Type	Method and Description
default RuleUnit.Identity	getUnitIdentity() Defines the identity of this RuleUnit.
default void	onEnd() Called when the evaluation of this unit terminates
default void	onResume() Called when the execution of unit is resumed (only for runUntilHalt)
default void	onStart() Called when the rule engine starts evaluating the unit
default void	onSuspend() Called when the execution of unit is suspended (only for runUntilHalt)
default void	onYield(RuleUnit other) Called when the consequence of rule in this rule unit triggers the execution of a different unit

Method Detail

getUnitIdentity

default RuleUnit.Identity getUnitIdentity()

Defines the identity of this RuleUnit. By default it corresponds to the unit's class.

Returns:

The identity of this RuleUnit

onStart

default void onStart()

Called when the rule engine starts evaluating the unit

onEnd

default void onEnd()

Called when the evaluation of this unit terminates

onSuspend

default void onSuspend()

Called when the execution of unit is suspended (only for runUntilHalt)

onResume

default void onResume()

Called when the execution of unit is resumed (only for runUntilHalt)

onYield

default void onYield(RuleUnit other)

Called when the consequence of rule in this rule unit triggers the execution of a different unit

Parameters:

other - The called unit