org.jrdf.query.relation.mem
Class RelationHelperImpl

java.lang.Object
  org.jrdf.query.relation.mem.RelationHelperImpl

All Implemented Interfaces:

Serializable, RelationHelper

public final class RelationHelperImpl
extends Object
implements RelationHelper, Serializable

See Also:

Serialized Form

Constructor Summary

RelationHelperImpl(AttributeComparator attributeComparator)

Method Summary

SortedSet<Attribute>

getHeadingUnions(Relation... relations)

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationHelperImpl

public RelationHelperImpl(AttributeComparator attributeComparator)

Method Detail

getHeadingUnions

public SortedSet<Attribute> getHeadingUnions(Relation... relations)

Specified by:

getHeadingUnions in interface RelationHelper