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Java Source Code / Java Documentation » RSS RDF » Jena 2.5.5 » com.hp.hpl.jena.graph.compose 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


com.hp.hpl.jena.graph.compose.CompositionBase
   com.hp.hpl.jena.graph.compose.Dyadic
      com.hp.hpl.jena.graph.compose.Union

Union
public class Union extends Dyadic implements Graph(Code)
A class representing the dynamic union of two graphs. Addition only affects the left operand, deletion affects both.
See Also:   MultiUnion
author:
   hedgehog



Constructor Summary
public  Union(Graph L, Graph R)
    

Method Summary
public  booleangraphBaseContains(Triple t)
    
public  ExtendedIteratorgraphBaseFind(TripleMatch t)
     To find in the union, find in the components, concatenate the results, and omit duplicates.
public  voidperformAdd(Triple t)
     To add a triple to the union, add it to the left operand; this is asymmetric.
public  voidperformDelete(Triple t)
     To remove a triple, remove it from both operands.


Constructor Detail
Union
public Union(Graph L, Graph R)(Code)




Method Detail
graphBaseContains
public boolean graphBaseContains(Triple t)(Code)



graphBaseFind
public ExtendedIterator graphBaseFind(TripleMatch t)(Code)
To find in the union, find in the components, concatenate the results, and omit duplicates. That last is a performance penalty, but I see no way to remove it unless we know the graphs do not overlap.



performAdd
public void performAdd(Triple t)(Code)
To add a triple to the union, add it to the left operand; this is asymmetric.



performDelete
public void performDelete(Triple t)(Code)
To remove a triple, remove it from both operands.



Fields inherited from com.hp.hpl.jena.graph.compose.Dyadic
protected Graph L(Code)(Java Doc)
protected Graph R(Code)(Java Doc)

Methods inherited from com.hp.hpl.jena.graph.compose.Dyadic
public void close()(Code)(Java Doc)
public boolean dependsOn(Graph other)(Code)(Java Doc)
public Object getL()(Code)(Java Doc)
public Object getR()(Code)(Java Doc)
public Union union(Graph X)(Code)(Java Doc)

Methods inherited from com.hp.hpl.jena.graph.compose.CompositionBase
public static ClosableIterator butNot(ClosableIterator a, ClosableIterator b)(Code)(Java Doc)
public static Filter ifIn(ClosableIterator i)(Code)(Java Doc)
public static Filter ifIn(Graph g)(Code)(Java Doc)
public static ExtendedIterator recording(ClosableIterator i, Set seen)(Code)(Java Doc)
public static Filter reject(ClosableIterator i)(Code)(Java Doc)
public static ExtendedIterator rejecting(ExtendedIterator i, Set seen)(Code)(Java Doc)
public static ExtendedIterator rejecting(ExtendedIterator i, Graph seen)(Code)(Java Doc)

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