Copyright (c) Luis M. Pena - lu@coderazzi.net

net.coderazzi.filters
Class ComposedFilter

java.lang.Object
  net.coderazzi.filters.artifacts.RowFilter
      net.coderazzi.filters.Filter
          net.coderazzi.filters.ComposedFilter

All Implemented Interfaces:

IFilter, IFilterObserver

Direct Known Subclasses:

AndFilter, OrFilter

public abstract class ComposedFilter
extends Filter
implements IFilterObserver

Abstract parent class to support the composition of multiple filters.

The exact composition semantics (and / or / not) are not defined.

Author:

Luis M Pena - lu@coderazzi.net

Nested Class Summary

Nested classes/interfaces inherited from class net.coderazzi.filters.artifacts.RowFilter

RowFilter.Entry

Field Summary

protected Set<IFilter>

filters Set of associated IFilters.

Constructor Summary

protected	ComposedFilter() Default constructor.
protected	ComposedFilter(IFilter... observables) Constructor built up out of one or more IFilter instances.

Method Summary

void	addFilter(IFilter... filtersToAdd) Subscribes one or more IFilter instances to receive filter events from this composition filter.
void	filterUpdated(IFilter filter) Notification made by the observer when the associated IFilter instance updates the held filter.
Set<IFilter>	getFilters() Returns all IFilter instances previously added.
protected boolean	isDisabled(IFilter filter) Returns true if there is information of this filter as disabled.
void	removeFilter(IFilter... filtersToRemove) Unsubscribes one or more IFilters that were previously subscribed to receive filter events.
void	setEnabled(boolean enable) Enables/Disables the filter.

Methods inherited from class net.coderazzi.filters.Filter

addFilterObserver, getFilterObservers, isEnabled, removeFilterObserver, reportFilterUpdatedToObservers

Methods inherited from class net.coderazzi.filters.artifacts.RowFilter

include

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.coderazzi.filters.IFilter

include

Field Detail

filters

protected Set<IFilter> filters

Set of associated IFilters.

Constructor Detail

ComposedFilter

protected ComposedFilter()

Default constructor.

ComposedFilter

protected ComposedFilter(IFilter... observables)

Constructor built up out of one or more IFilter instances.

Method Detail

addFilter

public void addFilter(IFilter... filtersToAdd)

Subscribes one or more IFilter instances to receive filter events from this composition filter.

removeFilter

public void removeFilter(IFilter... filtersToRemove)

Unsubscribes one or more IFilters that were previously subscribed to receive filter events.

getFilters

public Set<IFilter> getFilters()

Returns all IFilter instances previously added.

filterUpdated

public void filterUpdated(IFilter filter)

Description copied from interface: IFilterObserver

Notification made by the observer when the associated IFilter instance updates the held filter.

Specified by:

filterUpdated in interface IFilterObserver

See Also:

IFilterObserver.filterUpdated(IFilter)

setEnabled

public void setEnabled(boolean enable)

Description copied from interface: IFilter

Enables/Disables the filter.

Specified by:

setEnabled in interface IFilter

Overrides:

setEnabled in class Filter

See Also:

IFilter.setEnabled(boolean)

isDisabled

protected boolean isDisabled(IFilter filter)

Returns true if there is information of this filter as disabled.