com.deliveredtechnologies.rulebook.model.rulechain.cor

Class RuleHandler

java.lang.Object

com.deliveredtechnologies.rulebook.model.rulechain.cor.RuleHandler

All Implemented Interfaces:

Handler<Rule>

public class RuleHandler
extends java.lang.Object
implements Handler<Rule>

A Handler for Rule objects.

Constructor Summary

Constructors

Constructor and Description
RuleHandler(Rule rule)

Method Summary

Modifier and Type	Method and Description
Rule	getDelegate() Get the delegate: the object contained within the handler implementation.
java.util.Optional<Handler<Rule>>	getSuccessor() Gets the successor in the chain.
void	handleRequest(java.lang.Object obj) Invokes the current Rule's action and then moves down the chain to the successor if the RuleState of the current Rule is next or the action(s) was not executed.
Handler<Rule>	setSuccessor(Handler<Rule> successor) Sets the next Handler in the chain.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RuleHandler

public RuleHandler(Rule rule)

Method Detail

handleRequest

public void handleRequest(java.lang.Object obj)

Invokes the current Rule's action and then moves down the chain to the successor if the RuleState of the current Rule is next or the action(s) was not executed.

Specified by:

handleRequest in interface Handler<Rule>

Parameters:

obj - facts to be applied to the request (rule invocation)

getDelegate

public Rule getDelegate()

Description copied from interface: Handler

Get the delegate: the object contained within the handler implementation.

Specified by:

getDelegate in interface Handler<Rule>

Returns:

the delegate obejct

getSuccessor

public java.util.Optional<Handler<Rule>> getSuccessor()

Description copied from interface: Handler

Gets the successor in the chain.

Specified by:

getSuccessor in interface Handler<Rule>

Returns:

the next Optioanl Handler in the chain or Optional.empty

setSuccessor

public Handler<Rule> setSuccessor(Handler<Rule> successor)

Description copied from interface: Handler

Sets the next Handler in the chain.

Specified by:

setSuccessor in interface Handler<Rule>

Parameters:

successor - the Handler to set as the next in the chain

Returns:

the Handler just set or null if the Handler was not set