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 * A simplified version of the table model that concerns itself only with 021 * providing the data on the current page. 022 * 023 * @author mindbridge 024 * @since 3.0 025 */ 026public interface IBasicTableModel 027{ 028 /** 029 * Returns the number of all records 030 * @return the number of all rows 031 **/ 032 int getRowCount(); 033 034 /** 035 * Returns the rows on the current page. 036 * @param nFirst the index of the first item to be dispayed 037 * @param nPageSize the number of items to be displayed 038 * @param objSortColumn the column to sort by or null if there is no sorting 039 * @param bSortOrder determines the sorting order (ascending or descending) 040 **/ 041 Iterator getCurrentPageRows(int nFirst, int nPageSize, ITableColumn objSortColumn, boolean bSortOrder); 042}