/**
* 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.util.Collection;
import lupos.datastructures.items.Triple;
import lupos.datastructures.items.literal.URILiteral;
import lupos.datastructures.items.literal.string.StringURILiteral;
import lupos.datastructures.queryresult.GraphResult;
import lupos.datastructures.queryresult.QueryResult;
import lupos.datastructures.queryresult.QueryResultDebug;
import lupos.engine.operators.index.Dataset;
import lupos.engine.operators.index.Indices;
public class Insert extends MultipleURIOperator {
protected final Dataset dataset;
public Insert(final Collection<URILiteral> cu, Dataset dataset) {
super(cu);
this.dataset=dataset;
}
@Override
public QueryResult process(QueryResult bindings, final int operandID) {
if(bindings instanceof QueryResultDebug)
bindings=((QueryResultDebug)bindings).getOriginalQueryResult();
if (bindings instanceof GraphResult) {
final GraphResult gr = (GraphResult) bindings;
for (final Triple t : gr.getGraphResultTriples()) {
if (cu == null || cu.size() == 0) {
final Collection<Indices> ci = this.dataset.getDefaultGraphIndices();
for (final Indices indices : ci) {
indices.add(t);
}
} else {
for (final URILiteral uri : cu) {
boolean flag = false;
Indices indices = this.dataset.getNamedGraphIndices(uri);
if (indices != null){
flag = true;
indices.add(t);
}
indices = this.dataset.getDefaultGraphIndices(uri);
if (indices != null){
flag = true;
indices.add(t);
}
if(!flag){
try {
this.dataset.addNamedGraph(uri, new StringURILiteral("<inlinedata:"+t.getSubject()+" "+t.getPredicate()+" "+t.getObject()+".>"), false, false);
} catch (Exception e) {
System.err.println(e);
e.printStackTrace();
}
}
}
}
}
} else
System.err.println("GraphResult expected instead of " + bindings.getClass());
this.dataset.buildCompletelyAllIndices();
return null;
}
}