Java Code Examples for com.j256.ormlite.dao.Dao#iterator()

The following examples show how to use com.j256.ormlite.dao.Dao#iterator() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: LocationLoadTask.java From mage-android with Apache License 2.0

6 votes

private CloseableIterator<Location> iterator() throws SQLException {
	Dao<Location, Long> dao = DaoStore.getInstance(context).getLocationDao();
	QueryBuilder<Location, Long> query = dao.queryBuilder();
	Where<? extends Temporal, Long> where = query.where().ge("timestamp", locationCollection.getLatestDate());
	User currentUser = null;
	try {
		currentUser = UserHelper.getInstance(context.getApplicationContext()).readCurrentUser();
	} catch (UserException e) {
		e.printStackTrace();
	}
	if (currentUser != null) {
		where.and().ne("user_id", currentUser.getId()).and().eq("event_id", currentUser.getUserLocal().getCurrentEvent().getId());
	}
	if (filter != null) {
		filter.and(where);
	}
	query.orderBy("timestamp", false);


	return dao.iterator(query.prepare());
}

Example 2

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test
public void testMoveClosed() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);

	CloseableIterator<Foo> iterator = dao.iterator();
	try {
		assertFalse(iterator.hasNext());
		assertNull(iterator.first());
		assertNull(iterator.previous());
		assertNull(iterator.current());
		assertNull(iterator.nextThrow());
		assertNull(iterator.moveRelative(10));
	} finally {
		iterator.close();
	}
}

Example 3

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test(expected = SQLException.class)
public void testIteratorJdbcMoveBack() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo = new Foo();
	assertEquals(1, dao.create(foo));

	QueryBuilder<Foo, Integer> qb = dao.queryBuilder();
	qb.orderBy(Foo.VAL_COLUMN_NAME, true);
	CloseableIterator<Foo> iterator = dao.iterator(qb.prepare());
	try {
		assertEquals(foo, iterator.first());
		iterator.first();
		fail("Should have thrown");
	} finally {
		iterator.close();
	}
}

Example 4

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test
public void testIteratorHasNextClosed() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));

	assertEquals(1, dao.queryForAll().size());

	CloseableIterator<Foo> iterator = dao.iterator();
	assertTrue(iterator.hasNext());
	iterator.next();

	assertFalse(iterator.hasNext());
	assertNull(iterator.nextThrow());

	iterator.close();
	assertFalse(iterator.hasNext());
}

Example 5

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test
public void testIteratorRemove() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));

	assertEquals(1, dao.queryForAll().size());

	CloseableIterator<Foo> iterator = dao.iterator();
	assertTrue(iterator.hasNext());
	Foo result = iterator.next();
	assertEquals(foo1.id, result.id);
	iterator.remove();

	assertFalse(iterator.hasNext());
	assertNull(iterator.nextThrow());

	assertEquals(0, dao.queryForAll().size());
	iterator.close();
}

Example 6

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test(expected = IllegalStateException.class)
public void testIteratorNextRemoveRemoveNoNext() throws Exception {
	Dao<Foo, Object> dao = createDao(Foo.class, true);
	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));
	Foo foo2 = new Foo();
	assertEquals(1, dao.create(foo2));
	CloseableIterator<Foo> iterator = dao.iterator();
	try {
		iterator.next();
		iterator.remove();
		iterator.remove();
	} finally {
		iterator.close();
	}
}

Example 7

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test
public void testIteratorPrepared() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));

	Foo foo2 = new Foo();
	assertEquals(1, dao.create(foo2));

	PreparedQuery<Foo> query = dao.queryBuilder().where().eq(Foo.ID_COLUMN_NAME, foo2.id).prepare();
	CloseableIterator<Foo> iterator = dao.iterator(query);
	assertTrue(iterator.hasNext());
	Foo result = iterator.next();
	assertEquals(foo2.id, result.id);
	assertFalse(iterator.hasNext());
	assertNull(iterator.nextThrow());
}

Example 8

Source File: SelectIteratorTest.java From ormlite-core with ISC License

6 votes

@Test
public void testIterator() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	CloseableIterator<Foo> iterator = dao.iterator();
	assertFalse(iterator.hasNext());

	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));

	Foo foo2 = new Foo();
	assertEquals(1, dao.create(foo2));

	iterator = dao.iterator();
	assertTrue(iterator.hasNext());
	Foo result = iterator.next();
	assertEquals(foo1.id, result.id);
	assertTrue(iterator.hasNext());

	result = iterator.next();
	assertEquals(foo2.id, result.id);

	assertFalse(iterator.hasNext());
	assertNull(iterator.nextThrow());
}

Example 9

Source File: ObservationLoadTask.java From mage-android with Apache License 2.0

6 votes

private CloseableIterator<Observation> iterator() throws SQLException {
    Dao<Observation, Long> dao = DaoStore.getInstance(context).getObservationDao();
    QueryBuilder<Observation, Long> query = dao.queryBuilder();
    Where<Observation, Long> where = query
            .orderBy("timestamp", false)
            .where()
            .ge("last_modified", observationCollection.getLatestDate())
            .and()
            .eq("event_id", currentEventId);

    for (Filter filter : filters) {
        QueryBuilder<?, ?> filterQuery = filter.query();
        if (filterQuery != null) {
            query.join(filterQuery);
        }

        filter.and(where);
    }

    return dao.iterator(query.prepare());
}

Example 10

Source File: ObservationFeedFragment.java From mage-android with Apache License 2.0

6 votes

private Cursor obtainCursor(PreparedQuery<Observation> query, Dao<Observation, Long> oDao) throws SQLException {
	Cursor c = null;
	CloseableIterator<Observation> iterator = oDao.iterator(query);

	// get the raw results which can be cast under Android
	AndroidDatabaseResults results = (AndroidDatabaseResults) iterator.getRawResults();
	c = results.getRawCursor();
	if (c.moveToLast()) {
		long oldestTime = c.getLong(c.getColumnIndex("last_modified"));
		Log.i(LOG_NAME, "last modified is: " + c.getLong(c.getColumnIndex("last_modified")));
		Log.i(LOG_NAME, "querying again in: " + (oldestTime - requeryTime)/60000 + " minutes");
		if (queryUpdateHandle != null) {
			queryUpdateHandle.cancel(true);
		}
		queryUpdateHandle = scheduler.schedule(new Runnable() {
			public void run() {
				updateFilter();
			}
		}, oldestTime - requeryTime, TimeUnit.MILLISECONDS);
		c.moveToFirst();
	}
	return c;
}

Example 11

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test(expected = IllegalStateException.class)
public void testIteratorRemoveNoNext() throws Exception {
	Dao<Foo, Object> dao = createDao(Foo.class, true);
	CloseableIterator<Foo> iterator = dao.iterator();
	try {
		iterator.remove();
	} finally {
		iterator.close();
	}
}

Example 12

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test
public void testIteratorGetRawResults() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));

	assertEquals(1, dao.queryForAll().size());

	@SuppressWarnings("unchecked")
	SelectIterator<Foo, String> iterator = (SelectIterator<Foo, String>) dao.iterator();
	DatabaseResults results = iterator.getRawResults();
	assertTrue(results.next());
	iterator.close();
}

Example 13

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test
public void testMultipleHasNext() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo1 = new Foo();
	assertEquals(1, dao.create(foo1));

	CloseableIterator<Foo> iterator = dao.iterator();
	assertTrue(iterator.hasNext());
	assertTrue(iterator.hasNext());
	assertTrue(iterator.hasNext());
	iterator.moveToNext();
	assertFalse(iterator.hasNext());
}

Example 14

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test
public void testIteratorMoveAround() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	List<Foo> fooList = new ArrayList<Foo>();
	for (int i = 0; i < 10; i++) {
		Foo foo = new Foo();
		foo.val = i;
		assertEquals(1, dao.create(foo));
		fooList.add(foo);
	}

	QueryBuilder<Foo, Integer> qb = dao.queryBuilder();
	qb.orderBy(Foo.VAL_COLUMN_NAME, true);
	CloseableIterator<Foo> iterator = dao.iterator(qb.prepare(), ResultSet.TYPE_SCROLL_INSENSITIVE);
	try {
		assertEquals(fooList.get(0), iterator.first());
		assertEquals(fooList.get(0), iterator.first());
		assertEquals(fooList.get(0), iterator.current());
		assertEquals(fooList.get(1), iterator.next());
		assertEquals(fooList.get(1), iterator.current());
		assertEquals(fooList.get(0), iterator.first());
		assertEquals(fooList.get(0), iterator.current());
		assertEquals(fooList.get(1), iterator.next());
		assertTrue(iterator.hasNext());
		assertEquals(fooList.get(2), iterator.next());
		assertEquals(fooList.get(2), iterator.current());
		assertEquals(fooList.get(1), iterator.previous());
		assertEquals(fooList.get(2), iterator.next());
		assertEquals(fooList.get(1), iterator.moveRelative(-1));
		assertEquals(fooList.get(3), iterator.moveRelative(2));
		assertEquals(fooList.get(9), iterator.moveRelative(6));
		assertFalse(iterator.hasNext());
		assertNull(iterator.current());
	} finally {
		iterator.close();
	}
}

Example 15

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test(expected = IllegalStateException.class)
public void testIteratorNextOnly() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo = new Foo();
	assertEquals(1, dao.create(foo));

	CloseableIterator<Foo> iterator = dao.iterator();
	try {
		assertEquals(foo, iterator.next());
		iterator.next();
		fail("Should have thrown");
	} finally {
		iterator.close();
	}
}

Example 16

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test
public void testFirstCurrent() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);
	Foo foo = new Foo();
	assertEquals(1, dao.create(foo));

	CloseableIterator<Foo> iterator = dao.iterator();
	try {
		assertEquals(foo, iterator.current());
		assertFalse(iterator.hasNext());
		assertNull(iterator.current());
	} finally {
		iterator.close();
	}
}

Example 17

Source File: SelectIteratorTest.java From ormlite-core with ISC License

5 votes

@Test
public void testMoveNone() throws Exception {
	Dao<Foo, Integer> dao = createDao(Foo.class, true);

	CloseableIterator<Foo> iterator = dao.iterator();
	try {
		assertNull(iterator.current());
	} finally {
		iterator.close();
	}

	iterator = dao.iterator();
	try {
		assertNull(iterator.previous());
	} finally {
		iterator.close();
	}

	iterator = dao.iterator();
	try {
		assertNull(iterator.moveRelative(1));
	} finally {
		iterator.close();
	}

	iterator = dao.iterator();
	try {
		assertNull(iterator.nextThrow());
	} finally {
		iterator.close();
	}
}