本文以两个例子来介绍如何通过bboss 持久层框架的CallableDBUtil组件来执行函数和存储过程。切入正题。
函数执行实例:
存储过程执行实例:
函数执行实例:
package com.frameworkset.common; import javax.transaction.RollbackException; import com.frameworkset.common.poolman.CallableDBUtil; import com.frameworkset.common.poolman.Record; import com.frameworkset.orm.transaction.TransactionManager; public class TestCallableFunction { public static void testTest_fWithPositionIndex() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{? = call Test_f(?,?,?)}"); callableDBUtil.registerOutParameter(1, java.sql.Types.INTEGER); callableDBUtil.setInt(2, 10); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.VARCHAR); callableDBUtil.executeCallable(); System.out.println("ret:" + callableDBUtil.getInt(1)); System.out.println("name:" + callableDBUtil.getString(3)); System.out.println("name1:" + callableDBUtil.getString(4)); } catch(Exception e) { e.printStackTrace(); } } /** * 执行函数时不能通过命名方式绑定变量 */ public static void testTest_fWithNameIndex() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{? = call Test_f(?,?,?)}"); callableDBUtil.registerOutParameter(1, java.sql.Types.INTEGER); callableDBUtil.setInt(2, 10); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.VARCHAR); callableDBUtil.executeCallable(); System.out.println("ret:" + callableDBUtil.getInt(1)); System.out.println("name:" + callableDBUtil.getString(3)); System.out.println("name1:" + callableDBUtil.getString(4)); } catch(Exception e) { e.printStackTrace(); } } public static void testTest_fWithNameIndexForXMLString() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{? = call Test_f(?,?,?)}"); callableDBUtil.registerOutParameter(1, java.sql.Types.INTEGER); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt(2, 10); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.VARCHAR); String xmlString = callableDBUtil.executeCallableForXML(); // System.out.println("name1:" + callableDBUtil.getString("name")); // System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("xmlString:" + xmlString); } catch(Exception e) { e.printStackTrace(); } } /** * 对于函数的调用使能使用顺序位置标识来绑定变量 */ public static void testTest_fWithNameIndexForXMLStringRowHandler() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{? = call Test_f(?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.registerOutParameter(1, java.sql.Types.INTEGER); callableDBUtil.setInt(2, 10); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.VARCHAR); String xmlString = callableDBUtil.executeCallableForXML(new com.frameworkset.common.poolman.handle.RowHandler() { /** * 对已经处理好的行记录进行处理的逻辑 * @param rowValue */ public void handleRow(Object rowValue,Record record) { StringBuffer objects = (StringBuffer)rowValue; objects.append(record); System.out.println("objects:" + objects); } }); // System.out.println("name1:" + callableDBUtil.getString("name")); // System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("xmlString:" + xmlString); } catch(Exception e) { e.printStackTrace(); } } public static void testTest_fWithNameIndexForObject() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{? = call Test_f(?,?,?)}"); callableDBUtil.registerOutParameter(1, java.sql.Types.INTEGER); callableDBUtil.setInt(2, 10); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.VARCHAR); Test_f tets = (Test_f)callableDBUtil.executeCallableForObject(Test_f.class,new com.frameworkset.common.poolman.handle.RowHandler() { public void handleRow(Object rowValue,Record record) { Test_f objects = (Test_f)rowValue; try { objects.setRet(record.getString(1)); objects.setName(record.getString(3)); objects.setName1(record.getString(4)); } catch(Exception e) { } // origine.put(new Integer(4), "55"); System.out.println("rowValue:" + rowValue); } } ); // System.out.println("name1:" + callableDBUtil.getString("name")); // System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("Test_f is " + tets); } catch(Exception e) { e.printStackTrace(); } } /** * 经过测试证明存储过程中如果没有对插入/删除/修改操作做事务提交、回滚时,可以通过poolman * 的事务框架来管理事务;如果存储过程中对插入/删除/修改操作已经做了事务提交或者回滚时,那么应用的事务和存储过程中 * 中的事务就是分离的两个事务。 * @param i 为0时回滚事务,1时提交事务 */ public static void testTest_fWithNameIndexForObjectTx(int i) { TransactionManager tm = new TransactionManager(); try { tm.begin(); CallableDBUtil callableDBUtil = new CallableDBUtil(); callableDBUtil.prepareCallable("{? = call Test_f(?,?,?)}"); callableDBUtil.registerOutParameter(1, java.sql.Types.INTEGER); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt(2, 10); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.VARCHAR); Test_f tets = (Test_f)callableDBUtil.executeCallableForObject(Test_f.class); // System.out.println("name1:" + callableDBUtil.getString("name")); // System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("Test_f is " + tets); callableDBUtil.executeInsert("insert into test(id,name) values('11','name11')"); if(i == 0) tm.rollback(); else tm.commit(); } catch(Exception e) { try { tm.rollback(); } catch (RollbackException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } e.printStackTrace(); } } public static void main(String[] args) { System.out.println("1------------------------------------------testTest_fWithNameIndexForObject()"); testTest_fWithNameIndexForObject(); System.out.println("2------------------------------------------testTest_fWithNameIndexForObjectTx(1)"); testTest_fWithNameIndexForObjectTx(1); System.out.println("3------------------------------------------testTest_fWithPositionIndex()"); testTest_fWithPositionIndex(); System.out.println("4------------------------------------------testTest_fWithNameIndexForXMLString()"); testTest_fWithNameIndexForXMLString(); System.out.println("5------------------------------------------testTest_fWithNameIndexForXMLStringRowHandler()"); testTest_fWithNameIndexForXMLStringRowHandler(); CallableDBUtil.debugStatus(); } }
存储过程执行实例:
package com.frameworkset.common; import java.sql.SQLException; import javax.transaction.RollbackException; import com.frameworkset.common.poolman.CallableDBUtil; import com.frameworkset.common.poolman.PreparedDBUtil; import com.frameworkset.common.poolman.Record; import com.frameworkset.common.poolman.handle.RowHandler; import com.frameworkset.common.poolman.util.SQLResult; import com.frameworkset.orm.transaction.TransactionManager; public class TestCallableDBUtil { public static void testTest_pWithPositionIndex() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { // callableDBUtil.execute("{call test_p(1,'ss',3,4)}"); callableDBUtil.prepareCallable("{call test_p(?,?,?,?)}"); callableDBUtil.setInt(1, 10); callableDBUtil.registerOutParameter(2, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(3, java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter(4, java.sql.Types.INTEGER); callableDBUtil.executeCallable(); System.out.println("name1:" + callableDBUtil.getString(2)); System.out.println("name2:" + callableDBUtil.getString(3)); System.out.println("test:" + callableDBUtil.getInt(4)); } catch(Exception e) { e.printStackTrace(); } } public static void testTest_pWithNameIndex() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{call test_p(?,?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt("id", 10); callableDBUtil.registerOutParameter("name", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("name1", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("test", java.sql.Types.INTEGER); callableDBUtil.executeCallable(); System.out.println("name1:" + callableDBUtil.getString("name")); System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("test:" + callableDBUtil.getInt("test")); } catch(Exception e) { e.printStackTrace(); } } public static void testTest_pWithNameIndexForXMLString() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{call test_p(?,?,?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt("id", 10); callableDBUtil.registerOutParameter("name", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("name1", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("test", java.sql.Types.INTEGER); callableDBUtil.registerOutParameter("nomatch", java.sql.Types.INTEGER); String xmlString = callableDBUtil.executeCallableForXML(); System.out.println("xmlString:" + xmlString); // System.out.println("name1:" + callableDBUtil.getString("name")); // System.out.println("name2:" + callableDBUtil.getString("name1")); // System.out.println("test:" + callableDBUtil.getInt("test")); } catch(Exception e) { e.printStackTrace(); } } public static void testTest_pWithNameIndexForXMLStringRowHandler() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{call test_p(?,?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt("id", 10); callableDBUtil.registerOutParameter("name", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("name1", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("test", java.sql.Types.INTEGER); String xmlString = callableDBUtil.executeCallableForXML(new com.frameworkset.common.poolman.handle.RowHandler() { /** * 对已经处理好的行记录进行处理的逻辑 * @param rowValue */ public void handleRow(Object rowValue,Record origine) { Object objects = (Object)rowValue; System.out.println("objects rowhandler:" + objects); // System.out.println("objects【0】:" + objects[0]); // System.out.println(objects[1]); } }); System.out.println("name1:" + callableDBUtil.getString("name")); System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("xmlString:" + xmlString); } catch(Exception e) { e.printStackTrace(); } } public static void testTest_pWithNameIndexForObject() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{call test_p(?,?,?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt("id", 10); callableDBUtil.registerOutParameter("name", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("name1", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("test", java.sql.Types.INTEGER); callableDBUtil.registerOutParameter("nomatch", java.sql.Types.INTEGER); Test_p tets = (Test_p)callableDBUtil.executeCallableForObject(Test_p.class); System.out.println("Test_p is " + tets); } catch(Exception e) { e.printStackTrace(); } } public static void testoldMethod() { PreparedDBUtil callableDBUtil = new PreparedDBUtil(); try { SQLResult result = callableDBUtil.execute("select * from tableinfo"); System.out.println(result.size()); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static void testTest_pWithNameIndexForObjectWithRowHandler() { CallableDBUtil callableDBUtil = new CallableDBUtil(); try { callableDBUtil.prepareCallable("{call test_p(?,?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt("id", 10); callableDBUtil.registerOutParameter("name", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("name1", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("test", java.sql.Types.INTEGER); Test_p tets = (Test_p)callableDBUtil.executeCallableForObject(Test_p.class,new RowHandler(){ public void handleRow(Object rowValue, Record record) { Test_p test_p = (Test_p)rowValue; try { test_p.setTest(record.getString("test")+"天马"); test_p.setName1(record.getString("name1")); test_p.setName(record.getString("name")); } catch (SQLException e) { e.printStackTrace(); } } }); // System.out.println("name1:" + callableDBUtil.getString("name")); // System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("Test_p is " + tets); } catch(Exception e) { e.printStackTrace(); } } /** * 经过测试证明存储过程中如果没有对插入/删除/修改操作做事务提交、回滚时,可以通过poolman * 的事务框架来管理事务;如果存储过程中对插入/删除/修改操作已经做了事务提交或者回滚时,那么应用的事务和存储过程中 * 中的事务就是分离的两个事务。 * @param i 为0时回滚事务,1时提交事务 */ public static void testTest_pWithNameIndexForObjectTx(int i) { TransactionManager tm = new TransactionManager(); try { tm.begin(); CallableDBUtil callableDBUtil = new CallableDBUtil(); callableDBUtil.prepareCallable("{call test_p(?,?,?,?)}"); //不允许的操作: Ordinal binding and Named binding cannot be combined! callableDBUtil.setInt("id", 10); callableDBUtil.registerOutParameter("name", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("name1", java.sql.Types.VARCHAR); callableDBUtil.registerOutParameter("test", java.sql.Types.INTEGER); Test_p tets = (Test_p)callableDBUtil.executeCallableForObject(Test_p.class); System.out.println("name1:" + callableDBUtil.getString("name")); System.out.println("name2:" + callableDBUtil.getString("name1")); System.out.println("Test_p is " + tets); callableDBUtil.executeInsert("insert into test(id,name) values('11','name11')"); if(i == 0) tm.rollback(); else tm.commit(); } catch(Exception e) { try { tm.rollback(); } catch (RollbackException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } e.printStackTrace(); } } public static void main(String[] args) { // System.out.println("1---------------------------------------------------testTest_pWithPositionIndex()"); // testTest_pWithPositionIndex(); // System.out.println("2---------------------------------------------------testTest_pWithNameIndex()"); // testTest_pWithNameIndex(); // System.out.println("3---------------------------------------------------testTest_pWithNameIndexForObject()"); // testTest_pWithNameIndexForObject(); // System.out.println("4---------------------------------------------------testTest_pWithNameIndexForObjectTx()"); // testTest_pWithNameIndexForObjectTx(0); // System.out.println("5---------------------------------------------------testTest_pWithNameIndexForXMLString()"); // testTest_pWithNameIndexForXMLString(); // System.out.println("6---------------------------------------------------testTest_pWithNameIndexForXMLStringRowHandler()"); // testTest_pWithNameIndexForXMLStringRowHandler(); // System.out.println("7---------------------------------------------------testTest_pWithNameIndexForObjectWithRowHandler()"); // testTest_pWithNameIndexForObjectWithRowHandler(); // CallableDBUtil.debugStatus(); // testoldMethod(); testTest_pWithNameIndexForXMLString(); } }