Example usage for org.apache.ibatis.cursor Cursor isOpen

Introduction

In this page you can find the example usage for org.apache.ibatis.cursor Cursor isOpen.

Prototype

boolean isOpen();

Source Link

Usage

From source file:cn.com.git.udmp.test.mybatis.cursor.UdmpCursorSimpleTest.java

License:Apache License

@Test
public void shouldGetAllUser() {
    SqlSession sqlSession = sqlSessionFactory.openSession();
    BatchTestSouceMapper mapper = sqlSession.getMapper(BatchTestSouceMapper.class);
    Cursor<BatchTestSouce> usersCursor = mapper.findListByCursor();
    try {/*  ww  w  . j  a  v  a2 s .  co  m*/
        Assert.assertFalse(usersCursor.isOpen());

        // Cursor is just created, current index is -1
        Assert.assertEquals(-1, usersCursor.getCurrentIndex());

        Iterator<BatchTestSouce> iterator = usersCursor.iterator();

        // Check if hasNext, fetching is started
        Assert.assertTrue(iterator.hasNext());
        Assert.assertTrue(usersCursor.isOpen());
        Assert.assertFalse(usersCursor.isConsumed());

        // next() has not been called, index is still -1
        Assert.assertEquals(-1, usersCursor.getCurrentIndex());

        BatchTestSouce user = iterator.next();
        //            Assert.assertEquals("User1", user.getVcharC());
        System.out.println(user.getVcharC());
        Assert.assertEquals(0, usersCursor.getCurrentIndex());

        user = iterator.next();
        System.out.println(user.getVcharC());
        //            Assert.assertEquals("User2", user.getVcharC());
        Assert.assertEquals(1, usersCursor.getCurrentIndex());

        user = iterator.next();
        System.out.println(user.getVcharC());
        //            Assert.assertEquals("User3", user.getVcharC());
        Assert.assertEquals(2, usersCursor.getCurrentIndex());

        user = iterator.next();
        System.out.println(user.getVcharC());
        //            Assert.assertEquals("User4", user.getVcharC());
        Assert.assertEquals(3, usersCursor.getCurrentIndex());

        user = iterator.next();
        System.out.println(user.getVcharC());
        //            Assert.assertEquals("User5", user.getVcharC());
        Assert.assertEquals(4, usersCursor.getCurrentIndex());

        // Check no more elements
        Assert.assertFalse(iterator.hasNext());
        Assert.assertFalse(usersCursor.isOpen());
        Assert.assertTrue(usersCursor.isConsumed());
    } finally {
        sqlSession.close();
    }
}

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