tapestry/tapestry-contrib/src/java/org/apache/tapestry/contrib/table/model/ITableColumnModel.java

// Copyright 2004, 2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry.contrib.table.model;

import java.util.Iterator;

/**
 * Defines a list model of ITableColumn objects.
 * 
 * @author mindbridge
 */
public interface ITableColumnModel
{

    /**
     * Method getColumnCount.
     * 
     * @return int the number of columns in the model
     */
    int getColumnCount();

    /**
     * Method getColumn.
     * 
     * @param strName
     *            the name of the requested column
     * @return ITableColumn the column with the given name. null if no such
     *         column exists.
     */
    ITableColumn getColumn(String strName);

    /**
     * Method getColumns.
     * 
     * @return Iterator an iterator of all columns in the model
     */
    Iterator getColumns();
}