1/* 2 * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24package com.sun.hotspot.igv.filter; 25 26import com.sun.hotspot.igv.graph.*; 27import java.util.ArrayList; 28import java.util.List; 29 30/** 31 * 32 * @author Thomas Wuerthinger 33 */ 34public class RemoveSelfLoopsFilter extends AbstractFilter { 35 36 private String name; 37 38 /** Creates a new instance of RemoveSelfLoops */ 39 public RemoveSelfLoopsFilter(String name) { 40 this.name = name; 41 } 42 43 @Override 44 public String getName() { 45 return name; 46 } 47 48 @Override 49 public void apply(Diagram d) { 50 51 for (Figure f : d.getFigures()) { 52 53 for (InputSlot is : f.getInputSlots()) { 54 55 List<Connection> toRemove = new ArrayList<>(); 56 for (Connection c : is.getConnections()) { 57 58 if (c.getOutputSlot().getFigure() == f) { 59 toRemove.add(c); 60 } 61 } 62 63 for (Connection c : toRemove) { 64 65 c.remove(); 66 67 OutputSlot os = c.getOutputSlot(); 68 if (os.getConnections().size() == 0) { 69 f.removeSlot(os); 70 } 71 72 c.getInputSlot().setShortName("O"); 73 c.getInputSlot().setText("Self Loop"); 74 } 75 } 76 } 77 } 78} 79