NetworkGraphLink.java

/*
 * Copyright (C) 2006-2016 DLR, Germany
 * 
 * All rights reserved
 * 
 * http://www.rcenvironment.de/
 */

package de.rcenvironment.core.communication.common;

/**
 * Represents a link (an edge) in a {@link NetworkGraph}.
 * 
 * @author Robert Mischke
 */
public interface NetworkGraphLink {

    /**
     * @return the string if of this link; in the standard implementation, this is equal to the id of the underlying {@link MessageChannel}
     */
    String getLinkId();

    /**
     * @return the id of the graph node this link (edge) originates from
     */
    InstanceNodeSessionId getSourceNodeId();

    /**
     * @return the id of the graph node this link (edge) points to
     */
    InstanceNodeSessionId getTargetNodeId();
}