/**
* 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.gui.operatorgraph.visualeditor.queryeditor.operators;
import java.util.HashSet;
import lupos.gui.operatorgraph.graphwrapper.GraphWrapper;
import lupos.gui.operatorgraph.prefix.Prefix;
import lupos.gui.operatorgraph.visualeditor.guielements.AbstractGuiComponent;
import lupos.gui.operatorgraph.visualeditor.guielements.VisualGraph;
import lupos.gui.operatorgraph.visualeditor.operators.Operator;
import lupos.gui.operatorgraph.visualeditor.queryeditor.guielements.RetrieveDataPanel;
import lupos.sparql1_1.SPARQL1_1Parser;
import lupos.sparql1_1.SimpleNode;
public class Select extends RetrieveDataWithProjectionAndSolutionModifier {
public DistinctState distinctState = DistinctState.NO_DISTINCT;
public enum DistinctState {
DISTINCT, REDUCED, NO_DISTINCT;
}
public Select(Prefix prefix) {
super(prefix);
}
public AbstractGuiComponent<Operator> draw(GraphWrapper gw, VisualGraph<Operator> parent) {
this.panel = new RetrieveDataPanel(gw, this, parent, "Select");
((RetrieveDataPanel) this.panel).addProjections(true);
((RetrieveDataPanel) this.panel).addDatasetClause();
((RetrieveDataPanel) this.panel).addSolutionModifier();
((RetrieveDataPanel) this.panel).finalize();
return this.panel;
}
protected SimpleNode parseProjectionElement(String projectionElement) throws Throwable {
return SPARQL1_1Parser.parseVar(projectionElement);
}
public StringBuffer serializeOperator() {
StringBuffer ret = super.serializeOperator();
if(this.distinctState != DistinctState.NO_DISTINCT)
ret.append(this.distinctState.toString() + " ");
ret.append(this.serializeProjections());
ret.append(this.serializeDatasetClause());
ret.append(this.serializeSolutionModifier());
return ret;
}
public StringBuffer serializeOperatorAndTree(HashSet<Operator> visited) {
StringBuffer ret = super.serializeOperator();
if(this.distinctState != DistinctState.NO_DISTINCT)
ret.append(this.distinctState.toString() + " ");
ret.append(this.serializeProjections());
ret.append(this.serializeDatasetClauseAndWhereClause(visited));
ret.append(this.serializeSolutionModifier());
return ret;
}
}