com.activeandroid.Model Java Examples

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
	final Class<? extends Model> type = getModelType(uri);
	final Cursor cursor = Cache.openDatabase().query(
			Cache.getTableName(type),
			projection,
			selection,
			selectionArgs,
			null,
			null,
			sortOrder);

	cursor.setNotificationUri(getContext().getContentResolver(), uri);

	return cursor;
}
 

/**
 * Two rows in a table should have different hashcodes.
 */
public void testHashCodeDifferentRows() {
	Set<Model> set = new HashSet<Model>();
	Model m1 = new MockModel();
	Model m2 = new MockModel();
	Model m3;

	m1.save();
	m2.save();
	m3 = Model.load(MockModel.class, m1.getId());

	assertEquals(m1.hashCode(), m3.hashCode());
	assertFalse(m1.hashCode() == m2.hashCode());
	set.add(m1);
	set.add(m2);
	set.add(m3);
	assertEquals(2, set.size());
}
 

/**
 * Tests hashcode for new instances.
 */	
public void testHashCode() {
	Set<Model> set = new HashSet<Model>();
	Model m1 = new MockModel();
	Model m2 = new MockModel();
	Model m3 = new AnotherMockModel();

	assertFalse(m1.hashCode() == m2.hashCode()); // hashes for unsaved models must not match
	set.add(m1);
	set.add(m2);
	assertEquals(2, set.size()); //try in a set

	assertFalse(m1.hashCode() == m3.hashCode());
	set.add(m3);
	assertEquals(3, set.size());
}
 

/**
 * Two different rows in a table should not be equal (different ids).
 */	
public void testEqualsDifferentRows() {
	MockModel model1 = new MockModel();
	MockModel model2 = new MockModel();
	MockModel model3;

	model1.save();
	model2.save();
	model3 = Model.load(MockModel.class, model1.getId());

       // Not equal to each other.
	assertFalse(model1.equals(model2));
	assertFalse(model2.equals(model1));

       // Equal to each other when loaded.
	assertTrue(model1.equals(model3));
	assertTrue(model1.equals(model3));

       // Loaded model is not equal to a different model.
	assertFalse(model3.equals(model2));
	assertFalse(model2.equals(model3));
}
 

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
	final Class<? extends Model> type = getModelType(uri);
	final Cursor cursor = Cache.openDatabase().query(
			Cache.getTableName(type),
			projection,
			selection,
			selectionArgs,
			null,
			null,
			sortOrder);

	cursor.setNotificationUri(getContext().getContentResolver(), uri);

	return cursor;
}
 

private void removeFeedRelativeItems() throws ClassNotFoundException {
    // 获取所有缓存的Feed
    List<FeedItem> cacheFeedItems = new Select().from(FeedItem.class)
            .where("category='NORMAL'").execute();

    Class<? extends Model> feedLikeClass = refectModelClz("com.umeng.comm.core.beans.relation.FeedLike");
    Class<? extends Model> feedCommentClass = refectModelClz("com.umeng.comm.core.beans.relation.FeedComment");
    Class<? extends Model> feedTopicClass = refectModelClz("com.umeng.comm.core.beans.relation.FeedTopic");
    Class<? extends Model> feedCreatorClass = refectModelClz("com.umeng.comm.core.beans.relation.FeedCreator");
    Class<? extends Model> feedFriendClass = refectModelClz("com.umeng.comm.core.beans.relation.FeedFriends");

    for (FeedItem feedItem : cacheFeedItems) {
        // 移除like相关
        removeRelativeLike(feedItem.id, feedLikeClass);
        // 移除Feed相关的Comment
        removeRelativeComment(feedItem.id, feedCommentClass);
        new Delete().from(feedTopicClass).where("feed_id=?", feedItem.id)
                .execute();
        new Delete().from(feedCreatorClass).where("feed_id=?", feedItem.id)
                .execute();
        new Delete().from(feedFriendClass).where("feed_id=?", feedItem.id)
                .execute();
    }
}
 

public static UploaderQueue newEntryForWatch(String action, Model obj) {
    UserError.Log.d(TAG, "new entry called for watch");
    final UploaderQueue result = new UploaderQueue();
    result.bitfield_wanted = DEFAULT_UPLOAD_CIRCUITS
            | (Pref.getBooleanDefaultFalse("wear_sync") ? WATCH_WEARAPI : 0);
    if (result.bitfield_wanted == 0) return null; // no queue required
    result.timestamp = JoH.tsl();
    result.reference_id = obj.getId();
    // TODO this probably could be neater
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof BgReading ? ((BgReading) obj).uuid : null;
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof Treatments ? ((Treatments) obj).uuid : null;
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof Calibration ? ((Calibration) obj).uuid : null;
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof BloodTest ? ((BloodTest) obj).uuid : null;

    if (result.reference_uuid == null) {
        Log.d(TAG, "reference_uuid was null so refusing to create new entry");
        return null;
    }

    if (result.reference_id < 0) {
        UserError.Log.wtf(TAG, "Watch ERROR ref id was: " + result.reference_id + " for uuid: " + result.reference_uuid + " refusing to create");
        return null;
    }

    result.action = action;

    result.bitfield_complete = 0;
    result.type = obj.getClass().getSimpleName();
    result.saveit();
    if (d) UserError.Log.d(TAG, result.toS());
    last_new_entry = JoH.tsl();
    return result;
}
 

@Override
public Uri insert(Uri uri, ContentValues values) {
	final Class<? extends Model> type = getModelType(uri);
	final Long id = Cache.openDatabase().insert(Cache.getTableName(type), null, values);

	if (id != null && id > 0) {
		Uri retUri = createUri(type, id);
		notifyChange(retUri);

		return retUri;
	}

	return null;
}
 

@Override
public String getType(Uri uri) {
	final int match = URI_MATCHER.match(uri);

	String cachedMimeType = sMimeTypeCache.get(match);
	if (cachedMimeType != null) {
		return cachedMimeType;
	}

	final Class<? extends Model> type = getModelType(uri);
	final boolean single = ((match % 2) == 0);

	StringBuilder mimeType = new StringBuilder();
	mimeType.append("vnd");
	mimeType.append(".");
	mimeType.append(sAuthority);
	mimeType.append(".");
	mimeType.append(single ? "item" : "dir");
	mimeType.append("/");
	mimeType.append("vnd");
	mimeType.append(".");
	mimeType.append(sAuthority);
	mimeType.append(".");
	mimeType.append(Cache.getTableName(type));

	sMimeTypeCache.append(match, mimeType.toString());

	return mimeType.toString();
}
 

public static void newTransmitterDataEntry(String action, Model obj) {
	if(!Pref.getBooleanDefaultFalse("mongo_load_transmitter_data")) {
		return;
	}
	newEntry(action, obj);
	// For libre us sensors, we have a reading, it might not create a BG entry, but we still need
	// to upload it.
	startSyncService(3000); // sync in 3 seconds
}
 

private void removeRelativeComment(String feedId,
        Class<? extends Model> feedCommentClass)
        throws ClassNotFoundException {
    List<Comment> comments = new Select().from(Comment.class)
            .innerJoin(feedCommentClass)
            .on("comment._id=feed_comment.comment_id")
            .where("feed_comment.feed_id=?", feedId)
            .execute();
    for (Comment comment : comments) {
        new Delete().from(feedCommentClass).where("comment_id=?", comment.id).execute();
        new Delete().from(Comment.class).where("_id=?", comment.id).execute();
    }
}
 

public <T extends Model> List<T> execute() {
	if (mQueryBase instanceof Select) {
		return SQLiteUtils.rawQuery(mType, toSql(), getArguments());
		
	} else {
		SQLiteUtils.execSql(toSql(), getArguments());
		Cache.getContext().getContentResolver().notifyChange(ContentProvider.createUri(mType, null), null);
		return null;
		
	}
}
 

public static Set<Field> getDeclaredColumnFields(Class<?> type) {
	Set<Field> declaredColumnFields = Collections.emptySet();
	
	if (ReflectionUtils.isSubclassOf(type, Model.class) || Model.class.equals(type)) {
		declaredColumnFields = new LinkedHashSet<Field>();
		
		Field[] fields = type.getDeclaredFields();
		Arrays.sort(fields, new Comparator<Field>() {
			@Override
			public int compare(Field field1, Field field2) {
				return field2.getName().compareTo(field1.getName());
			}
		});
		for (Field field : fields) {
			if (field.isAnnotationPresent(Column.class)) {
				declaredColumnFields.add(field);
			}
		}

		Class<?> parentType = type.getSuperclass();
		if (parentType != null) {
			declaredColumnFields.addAll(getDeclaredColumnFields(parentType));
		}
	}
	
	return declaredColumnFields;		
}
 

public static Uri createUri(Class<? extends Model> type, Long id) {
	final StringBuilder uri = new StringBuilder();
	uri.append("content://");
	uri.append(sAuthority);
	uri.append("/");
	uri.append(Cache.getTableName(type).toLowerCase());

	if (id != null) {
		uri.append("/");
		uri.append(id.toString());
	}

	return Uri.parse(uri.toString());
}
 

public static UploaderQueue newEntryForWatch(String action, Model obj) {
    UserError.Log.d(TAG, "new entry called for watch");
    final UploaderQueue result = new UploaderQueue();
    result.bitfield_wanted = DEFAULT_UPLOAD_CIRCUITS
            | (Pref.getBooleanDefaultFalse("wear_sync") ? WATCH_WEARAPI : 0);
    if (result.bitfield_wanted == 0) return null; // no queue required
    result.timestamp = JoH.tsl();
    result.reference_id = obj.getId();
    // TODO this probably could be neater
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof BgReading ? ((BgReading) obj).uuid : null;
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof Treatments ? ((Treatments) obj).uuid : null;
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof Calibration ? ((Calibration) obj).uuid : null;
    if (result.reference_uuid == null)
        result.reference_uuid = obj instanceof BloodTest ? ((BloodTest) obj).uuid : null;

    if (result.reference_uuid == null) {
        Log.d(TAG, "reference_uuid was null so refusing to create new entry");
        return null;
    }

    if (result.reference_id < 0) {
        UserError.Log.wtf(TAG, "Watch ERROR ref id was: " + result.reference_id + " for uuid: " + result.reference_uuid + " refusing to create");
        return null;
    }

    result.action = action;

    result.bitfield_complete = 0;
    result.type = obj.getClass().getSimpleName();
    result.saveit();
    if (d) UserError.Log.d(TAG, result.toS());
    last_new_entry = JoH.tsl();
    return result;
}
 

public static <T extends Model> T rawQuerySingle(Class<? extends Model> type, String sql, String[] selectionArgs) {
	List<T> entities = rawQuery(type, sql, selectionArgs);

	if (entities.size() > 0) {
		return entities.get(0);
	}

	return null;
}
 

public static void newTransmitterDataEntry(String action, Model obj) {
	if(!Pref.getBooleanDefaultFalse("mongo_load_transmitter_data")) {
		return;
	}
	newEntry(action, obj);
	// For libre us sensors, we have a reading, it might not create a BG entry, but we still need
	// to upload it.
	startSyncService(3000); // sync in 3 seconds
}
 

private void removeRelativeLike(String feedId, Class<? extends Model> feedLikeClass)
        throws ClassNotFoundException {
    List<Like> likes = new Select().from(Like.class).innerJoin(feedLikeClass)
            .on("like._id=feed_like.like_id").where("feed_like.feed_id=?", feedId)
            .execute();
    // 删除feed_like表中的记录

    new Delete().from(feedLikeClass).where("feed_id=?", feedId);
    Class<? extends Model> likeCreatorClz = feedLikeClass = refectModelClz("com.umeng.comm.core.beans.relation.LikeCreator");
    for (Like like : likes) {
        new Delete().from(likeCreatorClz).where("like_id=?", like.id).execute();
        new Delete().from(Like.class).where("_id=?", like.id).execute();
    }
}
 

@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
	final Class<? extends Model> type = getModelType(uri);
	final int count = Cache.openDatabase().update(Cache.getTableName(type), values, selection, selectionArgs);

	notifyChange(uri);

	return count;
}
 

@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
	final Class<? extends Model> type = getModelType(uri);
	final int count = Cache.openDatabase().delete(Cache.getTableName(type), selection, selectionArgs);

	notifyChange(uri);

	return count;
}
 

public <T extends Model> T executeSingle() {
	if (mQueryBase instanceof Select) {
		limit(1);
		return (T) SQLiteUtils.rawQuerySingle(mType, toSql(), getArguments());
		
	} else {
		limit(1);
		SQLiteUtils.rawQuerySingle(mType, toSql(), getArguments()).delete();
		return null;
		
	}
}
 

private Class<? extends Model> getModelType(Uri uri) {
	final int code = URI_MATCHER.match(uri);
	if (code != UriMatcher.NO_MATCH) {
		return TYPE_CODES.get(code);
	}

	return null;
}
 

public <T extends Model> List<T> execute() {
	if (mQueryBase instanceof Select) {
		return SQLiteUtils.rawQuery(mType, toSql(), getArguments());
		
	} else {
		SQLiteUtils.execSql(toSql(), getArguments());
		Cache.getContext().getContentResolver().notifyChange(ContentProvider.createUri(mType, null), null);
		return null;
		
	}
}
 

public static Set<Field> getDeclaredColumnFields(Class<?> type) {
	Set<Field> declaredColumnFields = Collections.emptySet();
	
	if (ReflectionUtils.isSubclassOf(type, Model.class) || Model.class.equals(type)) {
		declaredColumnFields = new LinkedHashSet<Field>();
		
		Field[] fields = type.getDeclaredFields();
		Arrays.sort(fields, new Comparator<Field>() {
			@Override
			public int compare(Field field1, Field field2) {
				return field2.getName().compareTo(field1.getName());
			}
		});
		for (Field field : fields) {
			if (field.isAnnotationPresent(Column.class)) {
				declaredColumnFields.add(field);
			}
		}

		Class<?> parentType = type.getSuperclass();
		if (parentType != null) {
			declaredColumnFields.addAll(getDeclaredColumnFields(parentType));
		}
	}
	
	return declaredColumnFields;		
}
 

public static <T extends Model> List<T> rawQuery(Class<? extends Model> type, String sql, String[] selectionArgs) {
	Cursor cursor = Cache.openDatabase().rawQuery(sql, selectionArgs);
	List<T> entities = processCursor(type, cursor);
	cursor.close();

	return entities;
}
 

public static <T extends Model> T rawQuerySingle(Class<? extends Model> type, String sql, String[] selectionArgs) {
	List<T> entities = rawQuery(type, sql, selectionArgs);

	if (entities.size() > 0) {
		return entities.get(0);
	}

	return null;
}
 

public void testCreateConfigurationWithMockModel() {
    Configuration conf = new Configuration.Builder(getContext())
            .addModelClass(ConfigurationTestModel.class)
            .create();
    List<Class<? extends Model>> modelClasses = conf.getModelClasses();
    assertEquals(1, modelClasses.size());
    assertTrue(conf.isValid());
}
 

/**
 * Equals should not be true for different model classes.
 */	
public void testEqualsDifferentModel() {
	Model model1 = new MockModel();
	Model model2 = new AnotherMockModel();

	assertFalse(model1.equals(model2));
}
 

public void testActiveAndroidSelect(){
        ActiveAndroid.initialize(getContext());
//        List<Model> list = new com.activeandroid.query.Select().from(Student2.class).execute();
        List<Model> list = new com.activeandroid.query.Select().from(Student2.class).limit("0, 100000").execute();
//        List<Student2> list = new com.activeandroid.query.Select().from(Student2.class).where("Score > ? and Score < 50000", "1000").limit("1000, 100").execute();
//        assertEquals(list.size(), new com.activeandroid.query.Select().from(Student2.class).count());
    }
 

public From(Class<? extends Model> table, Sqlable queryBase) {
	mType = table;
	mJoins = new ArrayList<Join>();
	mQueryBase = queryBase;

	mJoins = new ArrayList<Join>();
	mArguments = new ArrayList<Object>();
}