/**
* 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.distributed.operator.format;
import lupos.engine.operators.BasicOperator;
import lupos.engine.operators.application.Application;
import lupos.engine.operators.application.CollectResult;
import lupos.engine.operators.singleinput.Result;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Implements the formatter for the result operator.
*/
public class ResultFormatter implements OperatorFormatter {
/** The request_id. */
private int request_id;
private Application application;
/**
* Use: public ResultSerializer(String dest_ip, int request_id).
*/
public ResultFormatter(final Application p2pApplication) {
this.application = p2pApplication;
this.request_id = 0;
}
public ResultFormatter() {
}
/**
* Instantiates a new result formatter.
*
* @param dest_ip
* the dest_ip
* @param request_id
* the request_id
*/
public ResultFormatter(final Application application, final int request_id) {
this.application = application;
this.request_id = request_id;
}
/*
* (non-Javadoc)
*
* @see
* luposdate.operators.formatter.OperatorFormatter#serialize(lupos.engine
* .operators.BasicOperator, int)
*/
@Override
public JSONObject serialize(final BasicOperator operator, final int node_id) throws JSONException {
final JSONObject json = new JSONObject();
final Result result = (Result) operator;
try {
json.put("type", result.getClass().getName());
json.put("node_id", node_id);
json.put("request_id", this.request_id);
} catch (final JSONException e) {
System.err.println(e);
e.printStackTrace();
}
return json;
}
/*
* (non-Javadoc)
*
* @see
* luposdate.operators.formatter.OperatorFormatter#deserialize(org.json.
* JSONObject)
*/
@Override
public BasicOperator deserialize(final JSONObject serializedOperator) throws JSONException {
final Result result = new Result();
if (this.application == null) {
this.application = new CollectResult(false);
}
result.addApplication(this.application);
return result;
}
}