Module org.apache.jena.core

Package org.apache.jena.graph.compose

Class Dyadic

java.lang.Object

org.apache.jena.graph.impl.GraphBase

org.apache.jena.graph.compose.CompositionBase

org.apache.jena.graph.compose.Dyadic

All Implemented Interfaces:

Graph, GraphWithPerform

Direct Known Subclasses:

Difference, DisjointUnion, Intersection, Union

public abstract class Dyadic
extends CompositionBase

Base class for the two-operand composition operations; has two graphs L and R

Field Summary

Fields inherited from class org.apache.jena.graph.impl.GraphBase

TOSTRING_TRIPLE_BASE, TOSTRING_TRIPLE_LIMIT

Fields inherited from interface org.apache.jena.graph.Graph

emptyGraph

Constructor Summary

Constructors

Constructor	Description
Dyadic(Graph L, Graph R)	When the graph is constructed, copy the prefix mappings of both components into this prefix mapping.

Method Summary

Modifier and Type	Method	Description
void	close()	Close this graph.
Graph	getL()	Answer the left (first) operand of this Dyadic.
Graph	getR()	Answer the right (second) operand of this Dyadic.
Union	union(Graph X)

Methods inherited from class org.apache.jena.graph.compose.CompositionBase

butNot, ifIn, ifIn, recording, reject, rejecting, rejecting

Methods inherited from class org.apache.jena.graph.impl.GraphBase

add, clear, contains, contains, delete, find, find, forTestingOnly_graphBaseFind, getEventManager, getPrefixMapping, getTransactionHandler, isClosed, isEmpty, isIsomorphicWith, notifyAdd, notifyDelete, performAdd, performDelete, remove, size, toString, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.jena.graph.Graph

add, delete, find, sizeLong, stream, stream

Constructor Details

Dyadic

public Dyadic(Graph L,
 Graph R)

When the graph is constructed, copy the prefix mappings of both components into this prefix mapping. The prefix mapping doesn't change afterwards with the components, which might be regarded as a bug.

Method Details

close

public void close()

Description copied from class: GraphBase

Close this graph. Subgraphs may extend to discard resources.

Specified by:

close in interface Graph

Overrides:

close in class GraphBase

union

public Union union(Graph X)

getL

public Graph getL()

Answer the left (first) operand of this Dyadic.

getR

public Graph getR()

Answer the right (second) operand of this Dyadic.