/******************************************************************************* * Copyright (c) 2011 Association for Decentralized Information Management in * Industry THTH ry. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * VTT Technical Research Centre of Finland - initial API and implementation *******************************************************************************/ package org.simantics.diagram.connection; public class Directions { public static boolean isAllowed(int allowedDirection, int direction) { return ((allowedDirection >> direction)&1) == 1; } public static int firstAllowedDirection(int allowedDirections) { for(int dir=0;dir<4;++dir,allowedDirections>>=1) { if((allowedDirections&1) == 1) return dir; } return 0; } }