/**
* 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.event.communication;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.Set;
import lupos.datastructures.bindings.Bindings;
import lupos.datastructures.bindings.BindingsFactory;
import lupos.datastructures.bindings.BindingsMap;
import lupos.datastructures.items.Variable;
import lupos.datastructures.queryresult.QueryResult;
import lupos.endpoint.client.formatreader.DefaultMIMEFormatReader;
import lupos.endpoint.client.formatreader.XMLFormatReader;
import lupos.endpoint.server.format.Formatter;
import lupos.endpoint.server.format.XMLFormatter;
/**
* This class can be used to serialize a {@ Triple}
*/
public class SerializedQueryResult implements Serializable {
private static final long serialVersionUID = 1L;
private static final Formatter formatter = new XMLFormatter();
private static final DefaultMIMEFormatReader formatReader = new XMLFormatReader();
private final String id;
private final byte[] serialized;
public SerializedQueryResult(final Set<Variable> vars, final QueryResult result, final String id) throws IOException {
this.id = id;
// serialize query result
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
SerializedQueryResult.formatter.writeResult(baos, vars, result);
this.serialized = baos.toByteArray();
}
public QueryResult getQueryResult() {
if(Bindings.instanceClass!=BindingsMap.class){
throw new RuntimeException("The configuration shouldbe set to BindingsMap, but found "+Bindings.instanceClass);
}
final BindingsFactory bindingsFactory = BindingsFactory.createBindingsFactory();
final ByteArrayInputStream bais = new ByteArrayInputStream(this.serialized);
return SerializedQueryResult.formatReader.getQueryResult(bais, bindingsFactory);
}
public String getId() {
return this.id;
}
}