querytag.java

来自「jakarta-taglibs」· Java 代码 · 共 76 行

/*
 * Copyright 1999-2004 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.taglibs.standard.tag.rt.sql;

import org.apache.taglibs.standard.tag.common.sql.QueryTagSupport;

/**
 * Subclass for the JSTL library with rtexprvalue support.
 *
 * @author Hans Bergsten
 * @author Justyna Horwat
 */
public class QueryTag extends QueryTagSupport {

    //*********************************************************************
    // Constructor

    /**
     * Constructs a new QueryTag.  As with TagSupport, subclasses
     * should not provide other constructors and are expected to call
     * the superclass constructor
     */
    public QueryTag() {
        super();
    }

    //*********************************************************************
    // Accessor methods
    
    public void setDataSource(Object dataSource) {
	this.rawDataSource = dataSource;
	this.dataSourceSpecified = true;
    }

    /**
     * The index of the first row returned can be
     * specified using startRow.
     */
    public void setStartRow(int startRow) {
        this.startRow = startRow;
    }

    /**
     * Query result can be limited by specifying
     * the maximum number of rows returned.
     */
    public void setMaxRows(int maxRows) {
        this.maxRows = maxRows;
	this.maxRowsSpecified = true;
    }

    /**
     * Setter method for the SQL statement to use for the
     * query. The statement may contain parameter markers
     * (question marks, ?). If so, the parameter values must
     * be set using nested value elements.
     */
    public void setSql(String sql) {
	this.sql = sql;
    }

}