Examples with Atom org.nutz.trans.Atom used on opensource projects

Example 11 with Atom

use of org.nutz.trans.Atom in project nutz by nutzam.

the class SimpleSpeedTest method test_speed.

@Ignore
@Test
public void test_speed() throws SecurityException, NoSuchMethodException {
    final SimpleSpeedTest z = new SimpleSpeedTest();
    final String elstr = "num + (i - 1 + 2 - 3 + 4 - 5 + 6 - 7)-z.abc(i)";
    final Context context = Lang.context("{num:0}");
    context.set("z", z);
    System.out.println("\n" + Strings.dup('=', 100));
    Stopwatch sw = Stopwatch.run(new Atom() {

        public void run() {
            int num = 0;
            for (int i = 0; i < max; i++) num = num + (i - 1 + 2 - 3 + 4 - 5 + 6 - 7) - z.abc(i);
        //System.out.println("Num: " + num);
        }
    });
    System.out.println("\n" + Strings.dup('=', 100));
    Stopwatch sw3 = Stopwatch.run(new Atom() {

        public void run() {
            try {
                context.set("num", 0);
                for (int i = 0; i < max; i++) context.set("num", El.eval(context.set("i", i), elstr));
            //System.out.println("Num: " + context.getInt("num"));
            } catch (Exception e) {
                throw Lang.wrapThrow(e);
            }
        }
    });
    System.out.println("\n" + Strings.dup('=', 100));
    Stopwatch sw4 = Stopwatch.run(new Atom() {

        public void run() {
            try {
                El el2pre = new El(elstr);
                context.set("num", 0);
                context.set("z", z);
                for (int i = 0; i < max; i++) context.set("num", el2pre.eval(context.set("i", i)));
            //System.out.println("Num: " + context.getInt("num"));
            } catch (Exception e) {
                throw Lang.wrapThrow(e);
            }
        }
    });
    System.out.println("\n" + Strings.dup('=', 100));
    Stopwatch sw5 = Stopwatch.run(new Atom() {

        public void run() {
            try {
                El el2pre = new El(elstr);
                context.set("num", 0);
                context.set("z", z);
                for (int i = 0; i < max; i++) context.set("num", el2pre.eval(context.set("i", i)));
            //System.out.println("Num: " + context.getInt("num"));
            } catch (Exception e) {
                throw Lang.wrapThrow(e);
            }
        }
    });
    System.out.println("\n" + Strings.dup('=', 100));
    System.out.printf("\n%20s : %s", "Invoke", sw.toString());
    System.out.printf("\n%20s : %s", "Reflect", sw3.toString());
    System.out.printf("\n%20s : %s", "Reflect", sw4.toString());
    System.out.printf("\n%20s : %s", "Reflect", sw5.toString());
    System.out.println();
}

Example 12 with Atom

use of org.nutz.trans.Atom in project nutz by nutzam.

the class NutDaoRunner method run.

public void run(final DataSource dataSource, final ConnCallback callback) {
    if (callback instanceof DaoInterceptorChain) {
        // 看看是不是应该强制使用事务
        DaoStatement[] sts = ((DaoInterceptorChain) callback).getDaoStatements();
        boolean useTrans = false;
        boolean isAllSelect = true;
        for (DaoStatement st : sts) {
            if (!st.isSelect() && !st.isForceExecQuery()) {
                isAllSelect = false;
                break;
            }
        }
        switch(meta.getType()) {
            case PSQL:
                // PSQL必须带事务,不然Clob和Blob操作必死
                useTrans = true;
                break;
            case SQLITE:
                // SQLITE仅支持2种事务级别
                Transaction t = Trans.get();
                if (t == null) {
                    if (isAllSelect)
                        useTrans = false;
                    else {
                        ((DaoInterceptorChain) callback).setAutoTransLevel(Connection.TRANSACTION_READ_UNCOMMITTED);
                        useTrans = true;
                    }
                } else if (t.getLevel() != Connection.TRANSACTION_SERIALIZABLE && t.getLevel() != Connection.TRANSACTION_READ_UNCOMMITTED) {
                    t.setLevel(Connection.TRANSACTION_READ_UNCOMMITTED);
                    useTrans = true;
                }
                break;
            default:
                useTrans = !(Trans.isTransactionNone() && (sts.length == 1 || isAllSelect));
                break;
        }
        // 看来需要开启事务了
        if (useTrans) {
            Trans.exec(((DaoInterceptorChain) callback).getAutoTransLevel(), new Atom() {

                public void run() {
                    _run(dataSource, callback);
                }
            });
            return;
        }
    }
    // 不需要额外加事务,直接通过
    _run(dataSource, callback);
}

Example 13 with Atom

use of org.nutz.trans.Atom in project nutz by nutzam.

the class DynamicManyTest method delete_links_partly.

@Test
public void delete_links_partly() {
    TableName.run(platoon, new Atom() {

        public void run() {
            TableName.run(platoon, new Atom() {

                public void run() {
                    Soldier s = dao.fetchLinks(dao.fetch(Soldier.class, "ZZH"), "guns");
                    s.getGuns()[1] = null;
                    dao.deleteLinks(s, "guns");
                    assertEquals(9, dao.count(Gun.class));
                }
            });
        }
    });
}

Example 14 with Atom

use of org.nutz.trans.Atom in project nutz by nutzam.

the class SimpleDaoTest method new_nutdao_inside_trans.

@Test
public void new_nutdao_inside_trans() {
    // 这纯粹是重现bug的代码,不要学
    final DataSource ds = ioc.get(DataSource.class);
    Trans.exec(new Atom() {

        public void run() {
            new NutDao(ds);
        }
    });
}

Example 15 with Atom

use of org.nutz.trans.Atom in project nutz by nutzam.

the class SimpleDaoTest method test_fastinsert_speed.

// @Test
// public void test_map_blob() throws FileNotFoundException {
// if (dao.exists("t_test_map_blob")) {
// dao.drop("t_test_map_blob");
// Lang.quiteSleep(1000);
// }
// dao.execute(Sqls.create("create table t_test_map_blob(id
// VARCHAR(60),filecontent blob)"));
//
// NutMap map = new NutMap().setv(".table", "t_test_map_blob");
// map.put("id", R.UU32());
// map.put("filecontent", new
// FileInputStream("W:\\usb3.0_intel_1.0.10.255_w7.zip"));
//
// dao.insert(map);
//
// Record re = dao.fetch("t_test_map_blob", Cnd.NEW());
// assertNotNull(re);
// System.out.println(re.get("filecontent").getClass());
// System.out.println(new String((byte[])re.get("filecontent")));
//
//// assertEquals("你好", new String((byte[])re.get("filecontent")));
// }
//@Test
public void test_fastinsert_speed() {
    SimpleDataSource ds = new SimpleDataSource();
    ds.setJdbcUrl("jdbc:mysql://localhost/nutztest");
    ds.setUsername("root");
    ds.setPassword("root");
    dao = new NutDao(ds);
    // 删表重建
    dao.create(Pet.class, true);
    Lang.sleep(1000);
    Stopwatch sw = Stopwatch.begin();
    // 生成10*2000个对象
    List<List<Pet>> list = new ArrayList<List<Pet>>();
    for (int i = 0; i < 10; i++) {
        List<Pet> pets = new ArrayList<Pet>();
        for (int j = 0; j < 2000; j++) {
            Pet pet = Pet.create(R.UU32());
            pets.add(pet);
        }
        list.add(pets);
    }
    sw.stop();
    System.out.println("生成对象的耗时: " + sw);
    for (final List<Pet> tmp : list) {
        sw = Stopwatch.begin();
        Trans.exec(new Atom() {

            public void run() {
                dao.fastInsert(tmp);
            }
        });
        sw.stop();
        System.out.println("fastInsert插入2000个对象的耗时" + sw);
    }
    dao.create(Pet.class, false);
    for (int i = 0; i < 10; i++) {
        try {
            final int t = i;
            Connection conn = ds.getConnection();
            conn.setAutoCommit(false);
            sw = Stopwatch.begin();
            System.out.println(System.currentTimeMillis());
            PreparedStatement ps = conn.prepareStatement("INSERT INTO t_pet(name,alias) VALUES(?,?)");
            System.out.println(System.currentTimeMillis());
            for (int j = 0; j < 2000; j++) {
                ps.setString(1, "pet_" + t + "_" + j);
                ps.setString(2, "");
                //                    ps.setInt(3, 30);
                //                    ps.setInt(4, 0);
                //                    ps.setDate(5, null);
                //                    ps.setFloat(6, 0);
                ps.addBatch();
            }
            System.out.println(System.currentTimeMillis());
            ps.executeBatch();
            conn.commit();
            sw.stop();
            System.out.println(sw);
            ps.close();
            conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}