org.hypergraphdb.query

Class IncidentCondition

java.lang.Object

org.hypergraphdb.query.IncidentCondition

All Implemented Interfaces:

HGAtomPredicate, HGQueryCondition

public class IncidentCondition
extends Object
implements HGQueryCondition, HGAtomPredicate

The IncidentCondition specifies that a search result atom should be a member of the incidence set of a given atom. By itself the condition would yield a query that enumerates all links pointing to the specified atom.

Author:

Borislav Iordanov

Constructor Summary

Constructors

Constructor and Description
IncidentCondition()
IncidentCondition(HGHandle target)
IncidentCondition(Ref<HGHandle> target)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object x)
HGHandle	getTarget()
Ref<HGHandle>	getTargetRef()
int	hashCode()
boolean	satisfies(HyperGraph hg, HGHandle handle) Check whether a given Object satisfies this query condition.
void	setTarget(HGHandle target)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IncidentCondition

public IncidentCondition()

IncidentCondition

public IncidentCondition(HGHandle target)

IncidentCondition

public IncidentCondition(Ref<HGHandle> target)

Method Detail

getTargetRef

public Ref<HGHandle> getTargetRef()

getTarget

public HGHandle getTarget()

setTarget

public void setTarget(HGHandle target)

satisfies

public boolean satisfies(HyperGraph hg,
                HGHandle handle)

Description copied from interface: HGAtomPredicate

Check whether a given Object satisfies this query condition.

Specified by:

satisfies in interface HGAtomPredicate

Parameters:

hg - The HyperGraph instance.

handle - The atom on which to test the query condition.

Returns:

true if the passed in parameter satisfies the condition and false otherwise.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object x)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object