created mirror

Modules/ztp/client/Subspace.java

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+/*   
+Put.java
+ *    
+ *    You may use and distribute under the terms of either the GNU Lesser
+ *    General Public License, either version 2 of the license or,
+ *    at your choice, any later version. Alternatively, you may use and
+ *    distribute under the terms of the XPL.
+ *
+ *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
+ *    the licenses.
+ *
+ *    This software 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 README
+ *    file for more details.
+ *
+ */
+/*
+ * Written by Antti-Juhani Kaijanaho
+ */
+
+package org.gzigzag.ztp.client;
+import org.gzigzag.ztp.*;
+import org.gzigzag.*;
+import java.util.*;
+
+class Subspace {
+
+    private String[] sdims;
+    private Hashtable cells = new Hashtable();
+
+    public String[] getSoftDims() { return sdims; }
+    public Enumeration getCells() { return cells.keys(); }
+
+    public Subspace(ZZCell base) {
+        String[] origdims = base.getSpace().dims();
+        Vector dimv = new Vector();
+        
+        for (int i = 0; i < origdims.length; i++) {
+            if (origdims[i].equals("d.ztp-subspace")
+                || origdims[i].equals("d.cellcreation")) {
+                continue;
+            }
+            dimv.addElement(origdims[i]);
+        }
+        
+        sdims = new String[dimv.size()];
+        for (int i = 0; i < sdims.length; i++) {
+            sdims[i] = (String)dimv.elementAt(i);
+        }
+
+        if (base == null) return;
+        
+        Stack stack = new Stack();
+        stack.push(base);
+        Hashtable seen = new Hashtable();
+        while (!stack.empty()) {
+            ZZCell c = (ZZCell)stack.pop();
+            
+            for (int i = 0; i < sdims.length; i++) {
+                ZZCell d = c.s(sdims[i], 1);
+                if (d != null && !seen.containsKey(d)) {
+                    stack.push(d);
+                    seen.put(d, d);
+                }
+                d = c.s(sdims[i], -1);
+                if (d != null && !seen.containsKey(d)) {
+                    stack.push(d);
+                    seen.put(d, d);
+                }
+            }
+            cells.put(c, c);
+        }
+    }
+        
+}