Package org.apache.karaf.features.internal.region

Class AbstractRegionDigraphVisitor<C>

java.lang.Object

org.apache.karaf.features.internal.region.AbstractRegionDigraphVisitor<C>

All Implemented Interfaces:

org.eclipse.equinox.region.RegionDigraphVisitor

public abstract class AbstractRegionDigraphVisitor<C>
extends Object
implements org.eclipse.equinox.region.RegionDigraphVisitor

AbstractRegionDigraphVisitor is an abstract base class for RegionDigraphVisitor implementations

Constructor Summary

Constructors

Constructor	Description
AbstractRegionDigraphVisitor(Collection<C> candidates)

Method Summary

Modifier and Type	Method	Description
protected abstract boolean	contains(org.eclipse.equinox.region.Region region, C candidate)	Determines whether the given region contains the given candidate.
Collection<C>	getAllowed()
protected abstract boolean	isAllowed(C candidate, org.eclipse.equinox.region.RegionFilter filter)	Determines whether the given candidate is allowed by the given RegionFilter.
void	postEdgeTraverse(org.eclipse.equinox.region.RegionFilter regionFilter)
boolean	preEdgeTraverse(org.eclipse.equinox.region.RegionFilter regionFilter)
boolean	visit(org.eclipse.equinox.region.Region region)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractRegionDigraphVisitor

public AbstractRegionDigraphVisitor(Collection<C> candidates)

Method Detail

getAllowed

public Collection<C> getAllowed()

visit

public boolean visit(org.eclipse.equinox.region.Region region)

Specified by:

visit in interface org.eclipse.equinox.region.RegionDigraphVisitor

preEdgeTraverse

public boolean preEdgeTraverse(org.eclipse.equinox.region.RegionFilter regionFilter)

Specified by:

preEdgeTraverse in interface org.eclipse.equinox.region.RegionDigraphVisitor

postEdgeTraverse

public void postEdgeTraverse(org.eclipse.equinox.region.RegionFilter regionFilter)

Specified by:

postEdgeTraverse in interface org.eclipse.equinox.region.RegionDigraphVisitor

contains

protected abstract boolean contains(org.eclipse.equinox.region.Region region,
                                    C candidate)

Determines whether the given region contains the given candidate.

Parameters:

region - the Region

candidate - the candidate

Returns:

true if and only if the given region contains the given candidate

isAllowed

protected abstract boolean isAllowed(C candidate,
                                     org.eclipse.equinox.region.RegionFilter filter)

Determines whether the given candidate is allowed by the given RegionFilter.

Parameters:

candidate - the candidate

filter - the filter

Returns:

true if and only if the given candidate is allowed by the given filter