Interface TriggerComputer<RW extends MaterializedData & Writable>

Type Parameters:

RW - the writable materialized data type handled by the trigger computer

All Known Implementing Classes:

NaiveTriggerComputer, RestrictedTriggerComputer, SemiNaiveComputer, TwoStepsComputer

public interface TriggerComputer<RW extends MaterializedData & Writable>

Computes the triggers from a rule's body on a factbase

Method Summary

Modifier and Type	Method	Description
Stream<Substitution>	compute(FOQuery<?> sharedBody, Collection<FORule> rules, ChasableData<RW> chasableData)	Computes and returns the triggers of the sharedBody on the factbase
default String	describe()	Returns a textual description of the trigger computer.
void	init(Chase<RW> c)	Initialize the trigger computer for the given chase

Method Details

init

void init(Chase<RW> c)

Initialize the trigger computer for the given chase

Parameters:

c - the chase object

compute

Stream<Substitution> compute(FOQuery<?> sharedBody,
 Collection<FORule> rules,
 ChasableData<RW> chasableData)

Computes and returns the triggers of the sharedBody on the factbase

Parameters:

sharedBody - the sharedBody of the rule to evaluate

rules - the rules sharing the same body query

chasableData - the data to apply the rules on

Returns:

the triggers of the rule on the factbase

describe

default String describe()

Returns a textual description of the trigger computer.

Returns:

a textual description of the trigger computer