com.espertech.esper.filter
Class FilterServiceLockFine

java.lang.Object
  com.espertech.esper.filter.FilterServiceBase
      com.espertech.esper.filter.FilterServiceLockFine

All Implemented Interfaces:

FilterService, FilterServiceSPI

public final class FilterServiceLockFine
extends FilterServiceBase

Constructor Summary

FilterServiceLockFine()

Method Summary

void	acquireWriteLock()
void	add(FilterValueSet filterValueSet, FilterHandle callback) Add a filter for events as defined by the filter specification, and register a callback to be invoked upon evaluation of an event that matches the filter spec.
void	apply(FilterSet filterSet) Apply a set of previously taken filters.
long	evaluate(EventBean theEvent, java.util.Collection<FilterHandle> matches) Finds matching filters to the event passed in and collects their associated callback method.
long	evaluate(EventBean theEvent, java.util.Collection<FilterHandle> matches, java.lang.String statementId) Finds matching filters to the event passed in and collects their associated callback method, for a particular statement only
void	releaseWriteLock()
void	remove(FilterHandle callback) Remove a filter callback.
void	removeType(EventType type)
FilterSet	take(java.util.Set<java.lang.String> statementId) Take a set of statements of out the active filters, returning a save-set of filters.

Methods inherited from class com.espertech.esper.filter.FilterServiceBase

addFilterServiceListener, addInternal, applyInternal, destroy, evaluateInternal, evaluateInternal, getCountTypes, getFilterCountApprox, getFiltersVersion, getNumEventsEvaluated, removeFilterServiceListener, removeInternal, removeTypeInternal, resetStats, takeInternal

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterServiceLockFine

public FilterServiceLockFine()

Method Detail

acquireWriteLock

public void acquireWriteLock()

releaseWriteLock

public void releaseWriteLock()

take

public FilterSet take(java.util.Set<java.lang.String> statementId)

Description copied from interface: FilterServiceSPI

Take a set of statements of out the active filters, returning a save-set of filters.

Parameters:

statementId - statement ids to remove

Returns:

filters

apply

public void apply(FilterSet filterSet)

Description copied from interface: FilterServiceSPI

Apply a set of previously taken filters.

Parameters:

filterSet - to apply

evaluate

public long evaluate(EventBean theEvent,
                     java.util.Collection<FilterHandle> matches)

Description copied from interface: FilterService

Finds matching filters to the event passed in and collects their associated callback method.

Parameters:

theEvent - is the event to be matched against filters

matches - is a collection that is populated via add method with any handles for matching filters

Returns:

filter current version

evaluate

public long evaluate(EventBean theEvent,
                     java.util.Collection<FilterHandle> matches,
                     java.lang.String statementId)

Description copied from interface: FilterService

Finds matching filters to the event passed in and collects their associated callback method, for a particular statement only

Parameters:

theEvent - is the event to be matched against filters

matches - is a collection that is populated via add method with any handles for matching filters

statementId - statement for which to return results for

Returns:

filter current version

add

public void add(FilterValueSet filterValueSet,
                FilterHandle callback)

Description copied from interface: FilterService

Add a filter for events as defined by the filter specification, and register a callback to be invoked upon evaluation of an event that matches the filter spec.

Parameters:

filterValueSet - is a specification of filter parameters, contains event type information, event property values and operators

callback - is the callback to be invoked when the filter matches an event

remove

public void remove(FilterHandle callback)

Description copied from interface: FilterService

Remove a filter callback.

Parameters:

callback - is the callback to be removed

removeType

public void removeType(EventType type)