/** Return all the instances of an entity who are owned by this instance */
public <T extends ActiveRecordBase> List<T> getHasMany(Class<T> type)
throws ActiveRecordException {
return findByColumn(
type,
CamelNotationHelper.toSQLName(this.getClass().getSimpleName()),
Long.toString(getID()));
}
public <T extends ActiveRecordBase> int getCount(Class<T> type) throws ActiveRecordException {
T entity = newEntity(type);
// We don't need to perform a full projection on the database because we only need to
// get enough data for us to count
String[] projection = new String[] {CamelNotationHelper.toSQLName(entity.getColumns()[0])};
Cursor c = m_Database.query(entity.getTableName(), projection, null, null);
int count = c.getCount();
c.close();
return count;
}
/** Creates the ContentValues to be used for data insertion */
public ContentValues createContentValues() throws ActiveRecordException {
List<Field> columns = _id > 0 ? getColumnFields() : getColumnFieldsWithoutID();
ContentValues values = new ContentValues(columns.size());
for (Field column : columns) {
Annotation ignore = column.getAnnotation(ActiveRecordIgnoreAttribute.class);
Annotation manyToMany = column.getAnnotation(ManyToManyRelation.class);
if (manyToMany != null) {
// TODO: Fixme
continue;
}
try {
if (column.getType().getSuperclass() == ActiveRecordBase.class) {
ActiveRecordBase col = (ActiveRecordBase) column.get(this);
// This is another entry and if it doesn't already have an ID
// it means we should persist *it* before we try to grab it's
// value
if (col != null && col.getID() < 0) {
if (col.getDatabase() == null) {
col.setDatabase(getDatabase());
}
col.save();
}
String columnName = CamelNotationHelper.toSQLName(column.getName());
String value = String.valueOf(col != null ? col.getID() : 0);
values.put(columnName, value);
} else if (column.getType() == List.class) {
} else if (ignore != null) {
continue;
} else {
values.put(
CamelNotationHelper.toSQLName(column.getName()), String.valueOf(column.get(this)));
}
} catch (IllegalArgumentException e) {
throw new ActiveRecordException("No column " + column.getName());
} catch (IllegalAccessException e) {
throw new ActiveRecordException("No column " + column.getName());
}
}
return values;
}
/**
* Inflate this entity using the current row from the given cursor.
*
* @param cursor The cursor to get object data from.
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws InstantiationException
*/
@SuppressWarnings("unchecked")
void inflate(Cursor cursor) throws ActiveRecordException {
HashMap<Field, Long> entities = new HashMap<Field, Long>();
for (Field field : getColumnFields()) {
try {
String typeString = field.getType().getName();
String colName = CamelNotationHelper.toSQLName(field.getName());
if (typeString.equals("long")) {
field.setLong(this, cursor.getLong(cursor.getColumnIndex(colName)));
} else if (typeString.equals("java.lang.String")) {
String val = cursor.getString(cursor.getColumnIndex(colName));
field.set(this, val.equals("null") ? null : val);
} else if (typeString.equals("double")) {
field.setDouble(this, cursor.getDouble(cursor.getColumnIndex(colName)));
} else if (typeString.equals("boolean")) {
field.setBoolean(this, cursor.getString(cursor.getColumnIndex(colName)).equals("true"));
} else if (typeString.equals("[B")) {
field.set(this, cursor.getBlob(cursor.getColumnIndex(colName)));
} else if (typeString.equals("int")) {
field.setInt(this, cursor.getInt(cursor.getColumnIndex(colName)));
} else if (typeString.equals("float")) {
field.setFloat(this, cursor.getFloat(cursor.getColumnIndex(colName)));
} else if (typeString.equals("short")) {
field.setShort(this, cursor.getShort(cursor.getColumnIndex(colName)));
} else if (typeString.equals("java.sql.Timestamp")) {
long l = cursor.getLong(cursor.getColumnIndex(colName));
field.set(this, new Timestamp(l));
} else if (field.getType().getSuperclass() == ActiveRecordBase.class) {
long id = cursor.getLong(cursor.getColumnIndex(colName));
if (id > 0) entities.put(field, id);
else field.set(this, null);
} else if (field.getType() == List.class) {
String classKey = field.getName();
// hack
classKey =
classKey.replaceFirst(
"" + classKey.charAt(0), "" + Character.toUpperCase(classKey.charAt(0)));
if (field.getName().endsWith("s")) {
classKey = classKey.substring(0, classKey.length() - 1);
}
DatabaseBuilder ownBuilder = getDatabase().getOwnBuilder();
Class fieldClass = ownBuilder.getClassForName(classKey);
if (fieldClass != null) {
List<ActiveRecordBase> ownObjects =
(List<ActiveRecordBase>)
findByColumn(
fieldClass,
CamelNotationHelper.toSQLName(getTableName()),
Long.toString(getID()));
field.set(this, ownObjects);
}
} else if (field.getAnnotation(ActiveRecordIgnoreAttribute.class) != null) {
continue;
} else
throw new ActiveRecordException(
field.getName()
+ " of type "
+ field.getType()
+ " cannot be read from Sqlite3 database.");
} catch (IllegalArgumentException e) {
throw new ActiveRecordException(e.getLocalizedMessage());
} catch (IllegalAccessException e) {
throw new ActiveRecordException(e.getLocalizedMessage());
}
}
s_EntitiesMap.set(this);
for (Field f : entities.keySet()) {
try {
f.set(
this, this.findByID((Class<? extends ActiveRecordBase>) f.getType(), entities.get(f)));
} catch (SQLiteException e) {
throw new ActiveRecordException(e.getLocalizedMessage());
} catch (IllegalArgumentException e) {
throw new ActiveRecordException(e.getLocalizedMessage());
} catch (IllegalAccessException e) {
throw new ActiveRecordException(e.getLocalizedMessage());
}
}
}
/**
* Get the table name for this class.
*
* @return The table name for this class.
*/
protected String getTableName() {
return CamelNotationHelper.toSQLName(getClass().getSimpleName());
}