org.da.sparqlhelper.sparql.model

Class Union

java.lang.Object

org.da.sparqlhelper.sparql.model.Union

All Implemented Interfaces:

IndentableElement

public class Union
extends java.lang.Object
implements IndentableElement

Represents a UNION.

Method Summary

Modifier and Type	Method and Description
SparqlRequestGroup	addGroup() Add a group in the Union.
boolean	checkValidity() Check the validity of the SPARQL expression for the group expression.
GroupForm	getGroupForm() Return the group whch is the parent of the Union.
java.util.List<SparqlRequestGroup>	getGroups() Return the groups in the Union.
int	getLevel() Return the level of the group.
void	writeSPARQL(java.lang.StringBuilder buf, boolean includeComments) Write the SPARQL request for the UNION construct.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.da.sparqlhelper.sparql.model.IndentableElement

indent, indentMore, indentParent

Method Detail

getLevel

public int getLevel()

Return the level of the group.

Specified by:

getLevel in interface IndentableElement

Returns:

the level of the group

getGroupForm

public GroupForm getGroupForm()

Return the group whch is the parent of the Union.

Returns:

the group

addGroup

public SparqlRequestGroup addGroup()

Add a group in the Union.

Returns:

the group

getGroups

public java.util.List<SparqlRequestGroup> getGroups()

Return the groups in the Union.

Returns:

the groups

checkValidity

public boolean checkValidity()

Check the validity of the SPARQL expression for the group expression.

Returns:

true if the Sparql request is valid

writeSPARQL

public void writeSPARQL(java.lang.StringBuilder buf,
                        boolean includeComments)

Write the SPARQL request for the UNION construct.

Parameters:

buf - the buffer

includeComments - true if comments should be included