/** 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); } }