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+/* TableModel.java --
+   Copyright (C) 2002, 2005, Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.table;
+
+import javax.swing.event.TableModelListener;
+
+/**
+ * A <code>TableModel</code> is a two dimensional data structure that 
+ * can store arbitrary <code>Object</code> instances, usually for the
+ * purpose of display in a {@link javax.swing.JTable} component.  Individual 
+ * objects can be accessed by specifying the row index and column index for 
+ * the object.  Each column in the model has a name associated with it.
+ * <p>
+ * The {@link DefaultTableModel} class provides one implementation of
+ * this interface.
+ * 
+ * @author Andrew Selkirk
+ */
+public interface TableModel
+{
+  /**
+   * Returns the number of rows in the model.
+   * 
+   * @return The row count.
+   */
+  int getRowCount();
+
+  /**
+   * Returns the number of columns in the model.
+   * 
+   * @return The column count
+   */
+  int getColumnCount();
+
+  /**
+   * Returns the name of a column in the model.
+   * 
+   * @param columnIndex the column index.
+   * 
+   * @return The column name.
+   */
+  String getColumnName(int columnIndex);
+
+  /**
+   * Returns the <code>Class</code> for all <code>Object</code> instances
+   * in the specified column.  
+   * 
+   * @param columnIndex the column index.
+   * 
+   * @return The class.
+   */
+  Class getColumnClass(int columnIndex);
+
+  /**
+   * Returns <code>true</code> if the cell is editable, and <code>false</code>
+   * otherwise.
+   * 
+   * @param rowIndex the row index.
+   * @param columnIndex the column index.
+   * 
+   * @return <code>true</code> if editable, <code>false</code> otherwise.
+   */
+  boolean isCellEditable(int rowIndex, int columnIndex);
+
+  /**
+   * Returns the value (<code>Object</code>) at a particular cell in the
+   * table.
+   * 
+   * @param rowIndex the row index.
+   * @param columnIndex the column index.
+   * 
+   * @return The value at the specified cell.
+   */
+  Object getValueAt(int rowIndex, int columnIndex);
+
+  /**
+   * Sets the value at a particular cell in the table.  
+   * 
+   * @param aValue the value (<code>null</code> permitted).
+   * @param rowIndex the row index.
+   * @param columnIndex the column index.
+   */
+  void setValueAt(Object aValue, int rowIndex, int columnIndex);
+
+  /**
+   * Adds a listener to the model.  The listener will receive notification
+   * of updates to the model.
+   * 
+   * @param listener the listener.
+   */
+  void addTableModelListener(TableModelListener listener);
+
+  /**
+   * Removes a listener from the model.
+   * 
+   * @param listener the listener.
+   */
+  void removeTableModelListener(TableModelListener listener);
+}