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}