Package ch.qos.logback.core.filter
Class EvaluatorFilter<E>
- java.lang.Object
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- ch.qos.logback.core.spi.ContextAwareBase
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- ch.qos.logback.core.filter.Filter<E>
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- ch.qos.logback.core.filter.AbstractMatcherFilter<E>
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- ch.qos.logback.core.filter.EvaluatorFilter<E>
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- All Implemented Interfaces:
ContextAware
,LifeCycle
public class EvaluatorFilter<E> extends AbstractMatcherFilter<E>
The value of theAbstractMatcherFilter.onMatch
andAbstractMatcherFilter.onMismatch
attributes is set toFilterReply.NEUTRAL
, so that a badly configured evaluator filter does not disturb the functioning of the filter chain.It is expected that one of the two attributes will have its value changed to
FilterReply.ACCEPT
orFilterReply.DENY
. That way, it is possible to decide if a given result must be returned after the evaluation either failed or succeeded.For more information about filters, please refer to the online manual at http://logback.qos.ch/manual/filters.html
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Constructor Summary
Constructors Constructor Description EvaluatorFilter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description FilterReply
decide(E event)
If the decision is
, then the event will be dropped.FilterReply.DENY
EventEvaluator<E>
getEvaluator()
void
setEvaluator(EventEvaluator<E> evaluator)
void
start()
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Methods inherited from class ch.qos.logback.core.filter.AbstractMatcherFilter
getOnMatch, getOnMismatch, setOnMatch, setOnMismatch
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Methods inherited from class ch.qos.logback.core.spi.ContextAwareBase
addError, addError, addInfo, addInfo, addStatus, addWarn, addWarn, getContext, getStatusManager, setContext
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Method Detail
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start
public void start()
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getEvaluator
public EventEvaluator<E> getEvaluator()
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setEvaluator
public void setEvaluator(EventEvaluator<E> evaluator)
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decide
public FilterReply decide(E event)
Description copied from class:Filter
If the decision is
, then the event will be dropped. If the decision isFilterReply.DENY
, then the next filter, if any, will be invoked. If the decision isFilterReply.NEUTRAL
then the event will be logged without consulting with other filters in the chain.FilterReply.ACCEPT
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