org.lsst.ccs.gconsole.plugins.tracer

Class MultistepFilter

java.lang.Object

org.lsst.ccs.gconsole.plugins.tracer.MultistepFilter

All Implemented Interfaces:

MessageFilter

public class MultistepFilter
extends Object
implements MessageFilter

Message filter that applies a sequence of FilterSteps. Instances of this class are immutable.

Author:

onoprien

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MultistepFilter.Descriptor

Constructor Summary

Constructors

Constructor and Description
MultistepFilter(FilterStep[] filters, boolean[] or) Constructs a multi-step filter.
MultistepFilter(MultistepFilter.Descriptor descriptor)

Method Summary

Modifier and Type	Method and Description
FilteredMessage	apply(FilteredMessage filteredMessage) Applies this filter to the given message.
MultistepFilter.Descriptor	save()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultistepFilter

public MultistepFilter(FilterStep[] filters,
                       boolean[] or)

Constructs a multi-step filter. Objects supplied to this constructor will be owned by this filter.

Parameters:

filters - The sequence of steps.

or - OR flags for steps in the sequence.

MultistepFilter

public MultistepFilter(MultistepFilter.Descriptor descriptor)

Method Detail

apply

public FilteredMessage apply(FilteredMessage filteredMessage)

Description copied from interface: MessageFilter

Applies this filter to the given message.

Specified by:

apply in interface MessageFilter

Parameters:

filteredMessage - The message to be filtered.

Returns:

The (possibly modified) message if it passes the filter; null otherwise.

save

public MultistepFilter.Descriptor save()