Get By Id
The following example shows getting a particular record from table given the record id.
The attribute parameterClass="int" allows us to pass student id
as parameter which would substitute #value# in the SQL.
01<?xml version="1.0" encoding="UTF-8"?>
02<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"
05<sqlMap namespace="Student">
07 <select id="getById" parameterClass="int"
08 resultClass="com.bethecoder.tutorials.ibatis.common.Student">
11 STUDENT_ID as studentId,
12 FIRST_NAME as firstName,
13 LAST_NAME as lastName,
17 FROM STUDENT where STUDENT_ID = #value#
package com.bethecoder.tutorials.ibatis.tests.basic; import java.io.IOException; import java.io.Reader; import java.sql.SQLException; import com.bethecoder.tutorials.ibatis.common.Student; import com.ibatis.common.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class GetById { /** * @param args * @throws IOException * @throws SQLException */ public static void main ( String [] args ) throws IOException, SQLException { Reader reader = Resources.getResourceAsReader ( "SqlMapConfig.xml" ) ; SqlMapClient sqlMapClent = SqlMapClientBuilder.buildSqlMapClient ( reader ) ; Student stud = ( Student ) sqlMapClent.queryForObject ( "Student.getById" , 1 ) ; System.out.println ( stud ) ; stud = ( Student ) sqlMapClent.queryForObject ( "Student.getById" , 2 ) ; System.out.println ( stud ) ; } }
Student[1, Jim, Attic, 32, Painting, +919999999999]
Student[2, Raj, Kumar, 18, Reading books, +914444488888]
