ch.qos.logback.core.boolex
Interface EventEvaluator<E>

All Superinterfaces:

ContextAware, LifeCycle

All Known Implementing Classes:

CounterBasedEvaluator, EventEvaluatorBase, OnErrorEvaluator, OnMarkerEvaluator

public interface EventEvaluator<E>
extends ContextAware, LifeCycle

Evaluates whether a given an event matches user-specified criteria.

Implementations are free to evaluate the event as they see fit. In particular, the evaluation results may depend on previous events.

Author:

Ceki Gülcü

Method Summary

boolean	evaluate(E event) Evaluates whether the event passed as parameter matches some user-specified criteria.
String	getName() Evaluators are named entities.
void	setName(String name) Evaluators are named entities.

Methods inherited from interface ch.qos.logback.core.spi.ContextAware

addError, addError, addInfo, addInfo, addStatus, addWarn, addWarn, getContext, setContext

Methods inherited from interface ch.qos.logback.core.spi.LifeCycle

isStarted, start, stop

Method Detail

evaluate

boolean evaluate(E event)
                 throws NullPointerException,
                        EvaluationException

Evaluates whether the event passed as parameter matches some user-specified criteria.

The Evaluator is free to evaluate the event as it pleases. In particular, the evaluation results may depend on previous events.

Parameters:

event - The event to evaluate

Returns:

true if there is a match, false otherwise.

Throws:

NullPointerException - can be thrown in presence of null values

EvaluationException - may be thrown during faulty evaluation

getName

String getName()

Evaluators are named entities.

Returns:

The name of this evaluator.

setName

void setName(String name)

Evaluators are named entities.