/**
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.HashSet;
import java.util.Map;
import java.util.Set;
import com.bigdata.bop.BOp;
import com.bigdata.bop.IVariable;
/**
* Any of the operations which has a FROM and/or TO graph.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
abstract public class AbstractFromToGraphManagement extends GraphManagement {
/**
*
*/
private static final long serialVersionUID = 1L;
public AbstractFromToGraphManagement(final UpdateType updateType) {
super(updateType);
}
/**
* @param op
*/
public AbstractFromToGraphManagement(final AbstractFromToGraphManagement op) {
super(op);
}
/**
* @param args
* @param anns
*/
public AbstractFromToGraphManagement(final BOp[] args,
final Map<String, Object> anns) {
super(args, anns);
}
/**
* {@inheritDoc}
*
* @return The source graph -or- <code>null</code> if the source is the
* "default" graph.
*/
@Override
public ConstantNode getSourceGraph() {
return (ConstantNode) getProperty(Annotations.SOURCE);
}
@Override
public void setSourceGraph(final ConstantNode sourceGraph) {
if (sourceGraph == null)
throw new IllegalArgumentException();
setProperty(Annotations.SOURCE, sourceGraph);
}
/**
* {@inheritDoc}
*
* @return The target graph -or- <code>null</code> if the target is the
* "default" graph.
*/
@Override
final public ConstantNode getTargetGraph() {
return (ConstantNode) getProperty(Annotations.TARGET);
}
@Override
final public void setTargetGraph(final ConstantNode targetGraph) {
if (targetGraph == null)
throw new IllegalArgumentException();
setProperty(Annotations.TARGET, targetGraph);
}
/**
* Return <code>true</code> iff the target is the "default graph".
*/
final public boolean isTargetDefault() {
return getTargetGraph() == null;
}
/**
* Return <code>true</code> iff the source is the "default graph".
*/
final public boolean isSourceDefault() {
return getSourceGraph() == null;
}
//COPY ( SILENT )? ( ( GRAPH )? IRIref_from | DEFAULT) TO ( ( GRAPH )? IRIref_to | DEFAULT )
//ADD ( SILENT )? ( ( GRAPH )? IRIref_from | DEFAULT) TO ( ( GRAPH )? IRIref_to | DEFAULT)
//MOVE (SILENT)? ( ( GRAPH )? IRIref_from | DEFAULT) TO ( ( GRAPH )? IRIref_to | DEFAULT)
final public String toString(final int indent) {
final StringBuilder sb = new StringBuilder();
sb.append(indent(indent));
sb.append(getUpdateType());
if (isSilent())
sb.append(" SILENT");
{
final ConstantNode sourceGraph = getSourceGraph();
sb.append("\n");
sb.append(indent(indent + 1));
sb.append(" source=" + sourceGraph == null ? "default"
: sourceGraph);
}
{
final ConstantNode targetGraph = getTargetGraph();
sb.append("\n");
sb.append(indent(indent + 1));
sb.append("target=" + targetGraph == null ? "default" : targetGraph);
}
sb.append("\n");
return sb.toString();
}
@Override
public Set<IVariable<?>> getRequiredBound(StaticAnalysis sa) {
return new HashSet<IVariable<?>>();
}
@Override
public Set<IVariable<?>> getDesiredBound(StaticAnalysis sa) {
return new HashSet<IVariable<?>>();
}
}