--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/ui/table/SortableTableModel.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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 GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.ui.table;
+
+import java.util.Collections;
+import java.util.List;
+
+import javax.swing.event.TableModelEvent;
+import javax.swing.table.AbstractTableModel;
+
+/**
+ * A table model which stores its rows as a list. The elements
+ * of the list may be sortable by column. The TableModelComparator
+ * must be set for sorting to be enabled.
+ */
+public abstract class SortableTableModel extends AbstractTableModel {
+
+    private TableModelComparator comparator;
+
+    /**
+     * All the rows are stored as a List.
+     */
+    protected java.util.List elements;
+
+    /**
+     * This comparator must be set.
+     */
+    public void setComparator(TableModelComparator comparator) {
+        this.comparator = comparator;
+    }
+
+    public void sortByColumn(int column, boolean ascending) {
+        comparator.addColumn(column);
+        comparator.setAscending(ascending);
+
+        Collections.sort(elements, comparator);
+
+        fireTableChanged(new TableModelEvent(this));
+    }
+
+    public boolean isAscending() {
+        return comparator.isAscending();
+    }
+
+    public int getColumn() {
+        return comparator.getColumn();
+    }
+
+}