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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2012 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.graph;
import java.util.Collection;
import java.util.Set;
public interface DirectedGraphAccessor<V, E extends Edge<V>> {
E getEdge(V from, V to);
boolean hasEdge(V from, V to);
Set<V> getVertices();
Collection<E> getOutgoingEdges(V from);
Collection<E> getIncomingEdges(V to);
}
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