/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Mar 10, 2012
*/
package com.bigdata.rdf.sparql.ast;
import java.util.Map;
import org.openrdf.query.algebra.StatementPattern.Scope;
import com.bigdata.bop.BOp;
/**
* The DROP operation removes the specified graph(s) from the Graph Store.
*
* <pre>
* DROP ( SILENT )? (GRAPH IRIref | DEFAULT | NAMED | ALL | GRAPHS | SOLUTIONS | SOLUTIONS %VARNAME)
* </pre>
*
* Note: Bigdata does not support empty graphs, so DROP and CLEAR have identical
* semantics.
*
* @see http://www.w3.org/TR/sparql11-update/#drop
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class DropGraph extends AbstractOneGraphManagement {
/**
*
*/
private static final long serialVersionUID = 1L;
public interface Annotations extends AbstractOneGraphManagement.Annotations {
/**
* Boolean property (default {@value #DEFAULT_ALL_GRAPHS}) which is
* <code>true</code> iff ALL GRAPHS should be effected by this
* operation.
*/
String ALL_GRAPHS = "allGraphs";
boolean DEFAULT_ALL_GRAPHS = false;
/**
* Boolean property (default {@value #DEFAULT_ALL_GRAPHS}) which is
* <code>true</code> iff ALL SOLUTION SETS should be effected by this
* operation.
*/
String ALL_SOLUTION_SETS = "allSolutionSets";
boolean DEFAULT_ALL_SOLUTION_SETS = false;
}
/**
* Used by {@link ClearGraph}.
*/
protected DropGraph(final UpdateType updateType) {
super(updateType);
}
public DropGraph() {
super(UpdateType.Drop);
}
/**
* @param op
*/
public DropGraph(final DropGraph op) {
super(op);
}
/**
* @param args
* @param anns
*/
public DropGraph(final BOp[] args, final Map<String, Object> anns) {
super(args, anns);
}
/**
* Return <code>true</code> IFF this operation should effect ALL GRAPHS.
*/
public boolean isAllGraphs() {
return getProperty(Annotations.ALL_GRAPHS,
Annotations.DEFAULT_ALL_GRAPHS);
}
public void setAllGraphs(final boolean allGraphs) {
setProperty(Annotations.ALL_GRAPHS, allGraphs);
}
/**
* Return <code>true</code> IFF this operation should effect ALL SOLUTION
* SETS.
*/
public boolean isAllSolutionSets() {
return getProperty(Annotations.ALL_SOLUTION_SETS,
Annotations.DEFAULT_ALL_SOLUTION_SETS);
}
public void setAllSolutionSets(final boolean allSolutionSets) {
setProperty(Annotations.ALL_SOLUTION_SETS, allSolutionSets);
}
public Scope getScope() {
return (Scope) getProperty(Annotations.SCOPE);
}
public void setScope(final Scope scope) {
setProperty(Annotations.SCOPE, scope);
}
}