001// Copyright 2004, 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry.contrib.table.model;
016
017import java.util.Iterator;
018
019/**
020 * Defines a list model of ITableColumn objects
021 * 
022 * @author mindbridge
023 */
024public interface ITableColumnModel
025{
026        /**
027         * Method getColumnCount.
028         * @return int the number of columns in the model
029         */
030        int getColumnCount();
031
032        /**
033         * Method getColumn.
034         * @param strName the name of the requested column
035         * @return ITableColumn the column with the given name. null if no such column exists.
036         */
037        ITableColumn getColumn(String strName);
038
039        /**
040         * Method getColumns.
041         * @return Iterator an iterator of all columns in the model
042         */
043        Iterator getColumns();
044}