01: /*
02: * @(#)PathComponent.java 1.7 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27: package util;
28:
29: import dependenceAnalyzer.*;
30: import java.util.Enumeration;
31:
32: public class PathComponent {
33: PathComponent root;
34: public DependenceNode link;
35:
36: public static int INSET = (1 << 25);
37:
38: public PathComponent(PathComponent r, DependenceNode l) {
39: root = r;
40: link = l;
41: }
42:
43: public void print(java.io.PrintStream o) {
44: if (root != null) {
45: root.print(o);
46: o.print(" => ");
47: }
48: o.print(link.name());
49: }
50:
51: public void grow(Set tipset) {
52: Enumeration t = link.dependsOn();
53: while (t.hasMoreElements()) {
54: DependenceArc arc = (DependenceArc) (t.nextElement());
55: DependenceNode to = (DependenceNode) arc.to();
56: if ((to.flags & INSET) != 0)
57: continue;
58: tipset.addElement(new PathComponent(this, to));
59: }
60: }
61: }
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