/**
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 com.bigdata.bop.BOp;
import com.bigdata.rdf.internal.IV;
import com.bigdata.rdf.model.BigdataStatement;
import com.bigdata.rdf.model.BigdataValue;
import com.bigdata.rdf.spo.ISPO;
/**
* Abstract base class for the <code>INSERT DATA</code> and
* <code>DELETE DATA</code> operations.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
public abstract class AbstractGraphDataUpdate extends GraphUpdate {
/**
*
*/
private static final long serialVersionUID = 1L;
interface Annotations extends GraphUpdate.Annotations {
/**
* The {@link BigdataStatement}[] data.
*
* TODO The strong typing as a {@link BigdataStatement}[] was introduced
* to support of the ticket below (573). This forces us to work with
* materialized RDF Values. That makes it more difficult to optimize
* SPARQL UPDATE by not materializing {@link IV}s as
* {@link BigdataValue}s (ticket 522).
*
* @see <a href="https://sourceforge.net/apps/trac/bigdata/ticket/573">
* NullPointerException when attempting to INSERT DATA containing a
* blank node </a>
* @see <a href="https://sourceforge.net/apps/trac/bigdata/ticket/522">
* SPARQL UPDATE should not materialize RDF Values</a>
*/
String DATA = "data";
}
public AbstractGraphDataUpdate(final UpdateType updateType) {
super(updateType);
}
/**
* @param op
*/
public AbstractGraphDataUpdate(final AbstractGraphDataUpdate op) {
super(op);
}
/**
* @param args
* @param anns
*/
public AbstractGraphDataUpdate(final BOp[] args,
final Map<String, Object> anns) {
super(args, anns);
}
public BigdataStatement[] getData() {
return (BigdataStatement[]) getProperty(Annotations.DATA);
}
public void setData(final BigdataStatement[] data) {
setProperty(Annotations.DATA, data);
}
@Override
final public String toString(final int indent) {
final StringBuilder sb = new StringBuilder();
sb.append(indent(indent));
sb.append(getUpdateType());
final BigdataStatement[] data = getData();
if (data != null) {
final String s = indent(indent + 1);
sb.append("\n");
sb.append(s);
int i = 0;
for(ISPO spo : data) {
if (i >= 10) {
/**
* Truncate the description.
*
* Note: People sometimes push a LOT of data through with a
* DeleteData or InsertData operation. This truncates the
* description to avoid problems with log files or the echo
* of the update operations in a request by the NSS.
*
* @see https://sourceforge.net/apps/trac/bigdata/ticket/613
* (SPARQL UPDATE response inlines large DELETE or
* INSERT triple graphs)
*
* @see https
* ://sourceforge.net/projects/bigdata/forums/forum
* /676946/topic/6092294/index/page/1
*/
sb.append("... out of " + data.length + " statements\n");
// Break out of the loop.
break;
}
sb.append(spo.toString());
i++;
}
}
sb.append("\n");
return sb.toString();
}
}