/**
* 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.
*/
/**
* This class represents a single result from querying the DBPedia database.
*/
package lupos.event.producer.rsssemantics;
import java.util.ArrayList;
import lupos.datastructures.bindings.Bindings;
import lupos.datastructures.items.Triple;
import lupos.datastructures.items.Variable;
import lupos.datastructures.items.literal.Literal;
import lupos.datastructures.items.literal.URILiteral;
import lupos.event.util.Literals;
/**
* Represents an answer from the database.
*/
public class DBAnswer {
private Literal thumbnail;
private Literal wikiarticle = Literals.createTyped("", Literals.XSD.String);
private Literal subject = Literals.createTyped("", Literals.XSD.String);
private Literal name = Literals.createTyped("", Literals.XSD.String);
private Literal birthDate = Literals.createTyped("", Literals.XSD.String);
private Literal deathDate = Literals.createTyped("", Literals.XSD.String);
private Literal label = Literals.createTyped("", Literals.XSD.String);
private Literal comment = Literals.createTyped("", Literals.XSD.String);
private Literal birthPlace = Literals.createTyped("", Literals.XSD.String);
public static final String NAMESPACE = "http://www.ifis.uni-luebeck.de/events/RSSSemantics/";
public static class Predicates {
public static final URILiteral THUMBNAIL = Literals.createURI(
DBAnswer.NAMESPACE, "Thumbnail");
public static final URILiteral WIKIARTICLE = Literals.createURI(
DBAnswer.NAMESPACE, "WikiArticle");
public static final URILiteral SUBJECT = Literals.createURI(
DBAnswer.NAMESPACE, "Subject");
public static final URILiteral NAME = Literals.createURI(
DBAnswer.NAMESPACE, "Name");
public static final URILiteral BIRTHDATE = Literals.createURI(
DBAnswer.NAMESPACE, "BirthDate");
public static final URILiteral DEATHDATE = Literals.createURI(
DBAnswer.NAMESPACE, "DeathDate");
public static final URILiteral LABEL = Literals.createURI(
DBAnswer.NAMESPACE, "Label");
public static final URILiteral COMMENT = Literals.createURI(
DBAnswer.NAMESPACE, "Comment");
public static final URILiteral BIRTHPLACE = Literals.createURI(
DBAnswer.NAMESPACE, "BirthPlace");
}
/**
* read data from input binding and assign them to Object variables
*/
public DBAnswer(Bindings b) throws Exception {
String[] variables = { "thumbnail", "wikiarticle", "subject", "name",
"birthDate", "deathDate", "birthPlace", "label", "comment" };
int i = 0;
Literal k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.thumbnail = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.wikiarticle = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.subject = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.name = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.birthDate = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.deathDate = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.birthPlace = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.label = k;
i++;
k = b.get(new Variable(variables[i]));
if (k != Literals.createTyped("", Literals.XSD.String))
this.comment = k;
}
public String getLabel() throws Exception {
if (this.label != Literals.createTyped("", Literals.XSD.String))
return this.label.originalString();
else
return "undefined";
}
@Override
public String toString() {
return "Thumbnail: " + this.thumbnail + " wikiarticle: " + this.wikiarticle
+ " subject: " + this.subject + " name: " + this.name + " birthDate "
+ this.birthDate;
}
public ArrayList<Triple> generateTriples() throws Exception {
ArrayList<Triple> t = new ArrayList<Triple>();
/**
* generate Triple List to return
*/
if (this.thumbnail != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.THUMBNAIL, this.thumbnail));
}
if (this.wikiarticle != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.WIKIARTICLE, this.wikiarticle));
}
if (this.subject != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.SUBJECT, this.subject));
}
if (this.name != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.NAME, this.name));
}
if (this.birthDate != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.BIRTHDATE, this.birthDate));
}
if (this.deathDate != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.DEATHDATE, this.deathDate));
}
if (this.label != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.LABEL, this.label));
}
if (this.comment != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.COMMENT, this.comment));
}
if (this.birthPlace != null) {
t.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS,
Predicates.BIRTHPLACE, this.birthPlace));
}
return t;
}
}