/* ###
 * IP: GHIDRA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ghidra.graph;

/**
 * An edge in a (usually directed) graph
 * 
 * @param <V> the type of vertices
 */
public interface GEdge<V> {

	/**
	 * Get the start, or tail, of the edge
	 * 
	 * <P>In the edge x -&gt; y, x is the start
	 * 
	 * @return the start
	 */
	public V getStart();

	/**
	 * Get the end, or head, of the edge
	 * 
	 * <P>In the edge x -&gt; y, y is the end
	 * 
	 * @return the end
	 */
	public V getEnd();
}
