SimplePathComputationConstraint.java

/**
 *  This file is part of Path Computation Element Emulator (PCEE).
 *
 *  PCEE is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  PCEE is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with PCEE.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.graph.path.algorithms.constraints.impl;

import com.graph.elements.vertex.VertexElement;
import com.graph.logger.GraphLogger;
import com.graph.path.algorithms.constraints.Constraint;

public class SimplePathComputationConstraint extends Constraint{
	
	public static final String classIdentifier = "SimplePathComputationConstraint";
	
	/**Vertex Elements to define source and destination*/
	private VertexElement source, destination;
	
	/**variable to store the bandwidth requested*/
	private double bw;
	
	/**Function to get the source of the requested path*/
	public VertexElement getSource(){
		return this.source;
	}

	/**Function to get the destination of the requested path*/
	public VertexElement getDestination(){
		return this.destination;
	}
	
	/**Constructor to set the source and destination*/
	public SimplePathComputationConstraint(VertexElement source, VertexElement destination){
		this.source = source;
		this.destination = destination;
		this.bw=0;
	}

	/**Constructor to set the source and destination*/
	public SimplePathComputationConstraint(VertexElement source, VertexElement destination, double bw){
		if (source==null){
			GraphLogger.logError("null source", classIdentifier);
		}
		if (destination==null){
			GraphLogger.logError("null destination", classIdentifier);
		}
		this.source = source;
		this.destination = destination;
		this.bw=bw;
	}

	/**Function to get the bandwidth requested on the path*/
	public double getBw() {
		return this.bw;
	}
	
}