/**
* Copyright (c) 2013, Institute of Information Systems (Sven Groppe and contributors of LUPOSDATE), University of Luebeck
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* - Neither the name of the University of Luebeck nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package lupos.engine.operators.singleinput.sparul;
import java.net.URISyntaxException;
import lupos.datastructures.items.literal.URILiteral;
import lupos.datastructures.items.literal.string.StringURILiteral;
import lupos.datastructures.queryresult.QueryResult;
import lupos.engine.operators.index.Dataset;
import lupos.engine.operators.index.Indices;
import lupos.engine.operators.singleinput.SingleInputOperator;
public class Create extends SingleInputOperator {
protected final boolean silent;
protected URILiteral uri;
protected final Dataset dataset;
public Create(Dataset dataset, final boolean isSilent){
this.dataset=dataset;
this.silent=isSilent;
}
public void setURI(URILiteral uri){
this.uri=uri;
}
public URILiteral getURI(){
return uri;
}
public QueryResult process(QueryResult bindings, final int operandID) {
Indices indices = dataset.getNamedGraphIndices(uri);
if (indices != null){
if(silent) return null;
else throw new Error("Named Graph "+uri+" already exists");
}
// indices = dataset.getDefaultGraphIndices(uri);
// if (indices != null && !silent)
// throw new Error("Default Graph "+uri+" already exists");
try {
dataset.addNamedGraph(uri, new StringURILiteral("<inlinedata: >"), false, false);
} catch (URISyntaxException e) {
System.err.println(e);
e.printStackTrace();
} catch (Exception e) {
System.err.println(e);
e.printStackTrace();
}
return null;
}
}