/**
* 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.rif.operator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import lupos.datastructures.items.Triple;
import lupos.datastructures.items.literal.URILiteral;
import lupos.datastructures.queryresult.GraphResult;
import lupos.datastructures.queryresult.QueryResult;
import lupos.engine.operators.BasicOperator;
import lupos.engine.operators.OperatorIDTuple;
import lupos.engine.operators.index.Dataset;
import lupos.engine.operators.index.Root;
import lupos.engine.operators.singleinput.sparul.Insert;
import lupos.engine.operators.tripleoperator.TripleConsumer;
import lupos.engine.operators.tripleoperator.TripleConsumerDebug;
import lupos.misc.debug.DebugStep;
import lupos.rdf.Prefix;
import lupos.sparql1_1.operatorgraph.helper.IndexScanCreatorInterface;
import lupos.sparql1_1.operatorgraph.helper.IndexScanCreator_BasicIndex;
public class InsertTripleIndexScan extends InsertIndexScan {
final protected Set<Triple> facts = new HashSet<Triple>();
public InsertTripleIndexScan(final IndexScanCreatorInterface indexScanCreator) {
super((indexScanCreator.getRoot() instanceof Root)?(Root)indexScanCreator.getRoot() : null);
this.triplePatterns = Arrays.asList();
if(indexScanCreator instanceof IndexScanCreator_BasicIndex){
final Insert insert = new Insert(new ArrayList<URILiteral>(), indexScanCreator.getDataset());
this.addSucceedingOperator(insert);
} else {
this.addSucceedingOperator(indexScanCreator.getRoot());
}
}
public void addTripleFact(final Triple fact) {
this.facts.add(fact);
}
@Override
public QueryResult process(final Dataset dataset) {
// Leitet ein GraphResult mit den Triple-Fakten weiter
final GraphResult result = new GraphResult();
for (final Triple triple : this.facts) {
result.addGraphResultTriple(triple);
}
// for (final OperatorIDTuple oid : this.succeedingOperators)
// ((Operator) oid.getOperator()).processAll(result, oid.getId());
return result;
}
@Override
public String toString() {
final StringBuffer str = new StringBuffer("TripleFacts").append("\n");
for (final Triple tr : this.facts) {
str.append(tr.toString()).append("\n");
}
return str.toString();
}
@Override
public String toString(final Prefix prefixInstance) {
final StringBuffer str = new StringBuffer("TripleFacts").append("\n");
for (final Triple tr : this.facts) {
str.append(tr.toString(prefixInstance)).append("\n");
}
return str.toString();
}
@Override
public void consumeOnce() {
for (final Triple t : this.facts){
for(final OperatorIDTuple opID: this.getSucceedingOperators()){
((TripleConsumer)opID.getOperator()).consume(t);
}
}
}
@Override
public void consumeDebugOnce(final DebugStep debugstep) {
for (final Triple t : this.facts){
for(final OperatorIDTuple opID: this.getSucceedingOperators()){
final BasicOperator to = opID.getOperator();
debugstep.step(this, to, t);
((TripleConsumerDebug)to).consumeDebug(t, debugstep);
}
}
}
}