1 cananian 1.1.2.1 // TempFactory.java, created Fri Dec 11 21:10:48 1998 by cananian
2 cananian 1.1.2.5 // Copyright (C) 1998 C. Scott Ananian <cananian@alumni.princeton.edu>
3 cananian 1.1.2.5 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 cananian 1.1.2.1 package harpoon.Temp;
5 cananian 1.1.2.1
6 cananian 1.1.2.1 /**
7 pnkfelix 1.1.2.4 * A <code>TempFactory</code> assigns unique identifiers to
8 cananian 1.1.2.1 * <code>Temp</code>s within a given scope.
9 cananian 1.1.2.1 *
10 cananian 1.1.2.1 * @author C. Scott Ananian <cananian@alumni.princeton.edu>
11 cananian 1.3 * @version $Id: TempFactory.java,v 1.3 2004/02/08 01:59:47 cananian Exp $
12 cananian 1.1.2.1 */
13 cananian 1.3 public abstract class TempFactory implements net.cscott.jutil.ReferenceUnique {
14 pnkfelix 1.1.2.7 int nextID = 0;
15 pnkfelix 1.1.2.7 int newID() {
16 pnkfelix 1.1.2.7 return nextID++;
17 pnkfelix 1.1.2.7 }
18 pnkfelix 1.1.2.7
19 cananian 1.1.2.1 /** Returns the static scope of this <code>TempFactory</code>.
20 cananian 1.1.2.1 * Should be unique among <code>TempFactory</code>s and invariant
21 cananian 1.1.2.1 * for a given <code>TempFactory</code>. */
22 cananian 1.1.2.1 public abstract String getScope();
23 pnkfelix 1.1.2.4
24 cananian 1.1.2.1 /** Returns a unique identifier within this scope. Not
25 cananian 1.1.2.1 * required to be unique among all <code>TempFactory</code>s.
26 cananian 1.1.2.1 * Should be repeatable; that is, the n'th call to getUniqueID()
27 cananian 1.1.2.1 * with a given suggestion String for a given <code>TempFactory</code>
28 cananian 1.1.2.1 * should always return the same String. */
29 andyb 1.1.2.3 protected abstract String getUniqueID(String suggestion);
30 pnkfelix 1.1.2.4
31 cananian 1.1.2.1 /** Human-readable representation of <code>TempFactory</code> */
32 cananian 1.1.2.1 public String toString() { return "TempFactory["+getScope()+"]"; }
33 pnkfelix 1.1.2.4
34 cananian 1.1.2.1 /** Return a hashcode for this <code>TempFactory</code>. */
35 cananian 1.1.2.1 public int hashCode() { return getScope().hashCode(); }
36 cananian 1.2 }