/**
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.model.URI;
import org.openrdf.rio.RDFParser;
import org.openrdf.rio.helpers.RDFParserBase;
import com.bigdata.bop.BOp;
import com.bigdata.rdf.rio.IRDFParserOptions;
import com.bigdata.rdf.rio.RDFParserOptions;
/**
* The LOAD operation reads an RDF document from a IRI and inserts its triples
* into the specified graph in the Graph Store.
*
* <pre>
* LOAD ( SILENT )? IRIref_from ( INTO GRAPH IRIref_to )?
* </pre>
*
* @see http://www.w3.org/TR/sparql11-update/#load
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
public class LoadGraph extends GraphUpdate {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Adds options to control the behavior of the {@link RDFParser}.
*
* @see RDFParserOptions
* @see RDFParserBase
* @see RDFParser
*/
public interface Annotations extends GraphUpdate.Annotations{
/*
* Options for RDF data parser that can be specified by SPARQL UPDATE
* "LOAD" extension syntax.
*/
String VERIFY_DATA = "verifyData";
String PRESERVE_BLANK_NODE_IDS = "preserveBlankNodeIDs";
String STOP_AT_FIRST_ERROR = "stopAtFirstError";
String DATA_TYPE_HANDLING = "dataTypeHandling";
}
public LoadGraph() {
super(UpdateType.Load);
}
/**
* @param op
*/
public LoadGraph(final LoadGraph op) {
super(op);
}
/**
* @param args
* @param anns
*/
public LoadGraph(final BOp[] args, final Map<String, Object> anns) {
super(args, anns);
}
/**
* {@inheritDoc}
* <p>
* Note: For {@link LoadGraph}, this is the {@link URI} of the external
* resource to be loaded.
*/
@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);
}
@Override
public ConstantNode getTargetGraph() {
return (ConstantNode) getProperty(Annotations.TARGET);
}
@Override
public void setTargetGraph(final ConstantNode targetGraph) {
if (targetGraph == null)
throw new IllegalArgumentException();
setProperty(Annotations.TARGET, targetGraph);
}
@Override
public boolean isSilent() {
return getProperty(Annotations.SILENT, Annotations.DEFAULT_SILENT);
}
@Override
public void setSilent(final boolean silent) {
setProperty(Annotations.SILENT, silent);
}
// LOAD ( SILENT )? IRIref_from ( INTO GRAPH IRIref_to )?
@Override
public String toString(final int indent) {
final StringBuilder sb = new StringBuilder();
sb.append(indent(indent));
sb.append(getUpdateType());
final boolean silent = isSilent();
final ConstantNode sourceGraph = getSourceGraph();
final ConstantNode targetGraph = getTargetGraph();
if(silent)
sb.append(" SILENT");
if (getProperty(Annotations.VERIFY_DATA) != null) {
sb.append(" " + Annotations.VERIFY_DATA + "=" + getProperty(Annotations.VERIFY_DATA));
}
if (getProperty(Annotations.PRESERVE_BLANK_NODE_IDS) != null) {
sb.append(" " + Annotations.PRESERVE_BLANK_NODE_IDS + "=" + getProperty(Annotations.PRESERVE_BLANK_NODE_IDS));
}
if (getProperty(Annotations.STOP_AT_FIRST_ERROR) != null) {
sb.append(" " + Annotations.STOP_AT_FIRST_ERROR + "=" + getProperty(Annotations.STOP_AT_FIRST_ERROR));
}
if (getProperty(Annotations.DATA_TYPE_HANDLING) != null) {
sb.append(" " + Annotations.DATA_TYPE_HANDLING + "=" + getProperty(Annotations.DATA_TYPE_HANDLING));
}
if (sourceGraph != null) {
sb.append("\n");
sb.append(indent(indent + 1));
sb.append("source=" + sourceGraph);
}
if (targetGraph != null) {
sb.append("\n");
sb.append(indent(indent + 1));
sb.append("target=" + targetGraph);
}
sb.append("\n");
return sb.toString();
}
}