/*public SQLiteAsyncConnection GetDatabaseAsync() {
* return new SQLiteAsyncConnection(dbPath);
* }*/
public void OnCreate(SQLiteConnection database)
{
SQLConsole.WriteLine("Creating database file...");
SQLConsole.WriteLine(" - Name: " + Configuration.DATABASE_NAME);
SQLConsole.WriteLine(" - Version: " + Configuration.DATABASE_VERSION);
SQLConsole.WriteLine(" - Create: " + Configuration.DATABASE_CREATE);
if (Configuration.DATABASE_CREATE.Equals("create") || Configuration.DATABASE_CREATE.Equals("drop-create"))
{
database.Execute("PRAGMA FOREIGN_KEYS = OFF"); //validateDatabase(database);
try {
List <TypeInfo> types = Reflections.GetTypesFromAssembly(Configuration.DOMAIN_PACKAGE);
foreach (TypeInfo type in types)
{
if (type.IsSubclassOf(typeof(PersistentEntity)))
{
PersistentEntity entity = (PersistentEntity)Activator.CreateInstance(type.AsType());
//String query = (String)typeof(QueryGenerator<PersistentEntity>).GetTypeInfo().MakeGenericType(type.AsType()).GetTypeInfo().GetDeclaredMethod("CreateTableQuery").Invoke(null, new object[] { entity.GetTableData() });
//Execute(QueryGenerator<PersistentEntity>.CreateTableQuery((entity.GetTableData<PersistentEntity>()).GetTableMapping()));
dynamic tableData = entity.GetTableData(); //GetType().GetTypeInfo().GetDeclaredMethod("GetTableData").MakeGenericMethod(entity.GetType()).Invoke(entity, null);
//Reflections.CastTo();
String query = (String)typeof(QueryGenerator <>).GetTypeInfo().MakeGenericType(type.AsType()).GetTypeInfo().GetDeclaredMethod("CreateTableQuery").Invoke(null, new object[] { tableData.GetTableMapping() });
//QueryGenerator<PersistentEntity>.CreateTableQuery(tableData);
//dynamic tableData = (EntityManager<PersistentEntity>)Convert.ChangeType(entity.GetType().GetTypeInfo().GetDeclaredMethod("GetTableData").MakeGenericMethod(entity.GetType()).Invoke(entity, null), typeof(EntityManager<PersistentEntity>));
Execute(query);
}
}
} catch (System.IO.FileNotFoundException e) {
Debug.WriteLine(e.ToString());
}
database.Execute("PRAGMA FOREIGN_KEYS = ON");
}
}
public virtual void AfterDelete()
{
Type superClass = Reflections.GetBaseType(this.GetType());
if (superClass != typeof(PersistentEntity))
{
PersistentEntity superObject = ((PersistentEntity)Reflections.GetSuperInstanceFromInstance(this));
superObject.Delete();
}
}
///** Creates a <code>JSONObject</code> from the object.
// *
// * @param object to be converted in a <code>JSONObject</code>.
// * @return the generated <code>JSONObject</code>.
// */
//public JSONObject wrap(E object) {
// JSONObject _JSONObject = new JSONObject();
// try {
// Class superClass = domainClass.getSuperclass();
// PersistentEntity superObject = null;
// if (superClass != PersistentEntity.class) {
// try {
// _JSONObject = ((PersistentEntity) superClass.newInstance()).getTableData().wrap(object);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// for (Field field : getColumnFields()) {
// _JSONObject = EntityFieldHelper.setFieldInJSONObject(object, field, _JSONObject);
// }
// } catch (Exception e) {
// e.printStackTrace();
// }
// return _JSONObject;
// }
// /** Creates a <code>JSONArray</code> from the object.
// *
// * @param list to be converted in a <code>JSONArray</code>.
// * @return the generated <code>JSONArray</code>.
// */
// public JSONArray wrap(List<E> list) {
// JSONArray _JSONArray = new JSONArray();
// if (list != null) {
// for (E object : list) {
// _JSONArray.put(wrap(object));
// }
// }
// return _JSONArray;
//}
private PersistentEntity GetSuperObject(long id)
{
Type superClass = Reflections.GetBaseType(tableMapping.type);
PersistentEntity superObject = null;
if (superClass != typeof(PersistentEntity))
{
superObject = ((PersistentEntity)Activator.CreateInstance(superClass)).GetTableData().Get(id);
}
return(superObject);
}
public TableMapping()
{
List <PropertyInfo> properties = Reflections.GetDeclaredFields(type);
List <ColumnInfo> cols = new List <ColumnInfo>();
foreach (PropertyInfo property in properties)
{
var ignore = false; //property.GetCustomAttributes(typeof(IgnoreAttribute), true).Count() > 0;
if (property.CanWrite && !ignore)
{
cols.Add(new ColumnInfo(property));
}
}
columns = cols.ToArray();
}
public virtual bool BeforeUpdate()
{
Type superClass = Reflections.GetBaseType(this.GetType());
if (superClass != typeof(PersistentEntity))
{
PersistentEntity superObject = ((PersistentEntity)Reflections.GetSuperInstanceFromInstance(this));
if (superObject.Update())
{
this.SetId(superObject.GetId());
return(true);
}
else
{
return(false);
}
}
return(true);
}
private void PerformActionOnChilds(Action action)
{
ColumnInfo[] fields = GetTableData().GetTableMapping().columns;
foreach (ColumnInfo field in fields)
{
IList childs = new List <PersistentEntity>();
String mappedBy = "";
if (Reflections.IsAttributePresent(field.property, typeof(HasMany)))
{
HasMany hasMany = (HasMany)Reflections.GetAttribute(field.property, typeof(HasMany));
mappedBy = hasMany.mappedBy;
childs = (IList)field.property.GetValue(this);
}
else if (Reflections.IsAttributePresent(field.property, typeof(HasOne)))
{
HasOne hasOne = (HasOne)Reflections.GetAttribute(field.property, typeof(HasOne));
mappedBy = hasOne.mappedBy;
childs.Add((PersistentEntity)field.property.GetValue(this));
}
if (childs != null)
{
foreach (PersistentEntity child in childs)
{
switch (action)
{
case Action.Insert:
PropertyInfo childField = Reflections.GetDeclaredFieldRecursively(mappedBy, child.GetType(), typeof(PersistentEntity));
childField.SetValue(child, this);
child.Insert();
break;
case Action.Update:
child.Update();
break;
case Action.Delete:
child.Delete();
break;
}
}
}
}
}
/**
* Generate the column constraints for SQL from a <code>Field</code> if <code>Constraint</code> annotation is present
* @param field the field of the persistent entity
* @return the column constraints
*/
private static String ColumnConstraints(ColumnInfo column)
{
String result = "";
if (Reflections.IsAttributePresent(column.property, typeof(Constraints)))
{
Constraints constraints = (Constraints)Reflections.GetAttribute(column.property, typeof(Constraints));
if (constraints.unique == true)
{
result += " UNIQUE";
}
if (constraints.nullable == false)
{
result += " NOT NULL";
}
}
// if (EntityFieldHelper.isSingleRelationField(field) && !field.isAnnotationPresent(HasOne.class)) {
// result += " REFERENCES " + getTableName((Class<PersistentEntity>) field.getType()) + "(" + Configuration.ID_COLUMN_NAME + ")";
// if (field.isAnnotationPresent(BelongsTo.class)) {
// result += " ON DELETE CASCADE";
// }
// }
return(result);
}
/******************************************************** Table queries */
/**
* Generate the <code>CREATE TABLE<code> query from a <code>PersistentEntity</code> class
* @param domainClass the class of the persistent entity, must extends <code>PersistentEntity</code>
* @return the generated <code>CREATE TABLE<code> query
*/
public static String CreateTableQuery(TableMapping <E> table)
{
ColumnInfo[] columns = table.columns;
String sqlCreate = "CREATE TABLE IF NOT EXISTS " + table.name + " (" + Configuration.ID_COLUMN_NAME + " INTEGER PRIMARY KEY AUTOINCREMENT";
Type superClass = Reflections.GetBaseType(table.type);
/*if (superClass != typeof(PersistentEntity)) {
* //TODO: hay que ver en que orden se crean las clases y como corregir que la referencia no existe
* //TODO: en principio esta resuelto con foreign_check = O;
* sqlCreate += " REFERENCES " + superClass.Name + "(" + Configuration.ID_COLUMN_NAME + ") ON DELETE CASCADE";
* //TODO: esto lo hice por ON DELETE CASCADE pero no funciona :S
* }*/
for (int i = 0; i < columns.Length; i++)
{
ColumnInfo column = columns[i];
if (!column.IsMultipleRelationship)
{
sqlCreate += ", " + ColumnDeclaration(column);
}
}
sqlCreate += ");";
// TODO: Cuidado con estos replace que son solo esteticos y pueden joder la sentencia
return(sqlCreate.Replace(" ", " ").Replace(" ,", ","));
}
/** Creates an object from the stored data in the cursor.
*
* @param cursor with the data of the query. It's should be pointing to the needed row.
* @return the generated instance.
*/
public E CursorToEntity(Cursor cursor)
{
try {
E obj = (E)Activator.CreateInstance(tableMapping.type);
obj.SetId(cursor.GetValue <long>(Configuration.ID_COLUMN_NAME));
/*foreach (ColumnInfo column in this.tableMapping.columns) {
* //object value = typeof(Cursor).GetTypeInfo().GetDeclaredMethod("GetValue").MakeGenericMethod(column.propertyType).Invoke(cursor, new object[] { column.name });
* object value = cursor.GetValue(column.name, column.propertyType);
* column.property.SetValue(obj, value);
* }*/
for (int i = 1; i <= this.tableMapping.columns.Length; i++)
{
ColumnInfo column = this.tableMapping.columns[i - 1];
if (column.IsPrimitiveField)
{
object value = cursor.GetValue(i, column.propertyType);
column.property.SetValue(obj, value);
}
else if (column.IsSingleRelationship)
{
object value = cursor.GetValue <long>(i);
PersistentEntity relationObject = (PersistentEntity)Activator.CreateInstance(column.propertyType);
if (Reflections.IsAttributePresent(column.property, typeof(BelongsTo)) ||
(Reflections.IsAttributePresent(column.property, typeof(HasOne)) &&
((HasOne)Reflections.GetAttribute(column.property, typeof(HasOne))).lazy))
{
relationObject.SetServerId((long)value);
column.property.SetValue(obj, relationObject);
}
else
{
value = relationObject.GetTableData().GetByServerId((dynamic)value);
column.property.SetValue(obj, value);
}
}
else if (column.IsMultipleRelationship)
{
if (Reflections.IsAttributePresent(column.property, typeof(HasMany)))
{
HasMany hasMany = (HasMany)Reflections.GetAttribute(column.property, typeof(HasMany));
if (hasMany.lazy)
{
column.property.SetValue(obj, Activator.CreateInstance(column.propertyType));
}
else
{
Type relationType = column.propertyType.GenericTypeArguments[0];
String columnName = "id" + hasMany.mappedBy.ToUpper().ToCharArray()[0] + hasMany.mappedBy.Substring(1);
List <PersistentEntity> value = ((PersistentEntity)Activator.CreateInstance(relationType)).GetTableData().GetAllByField(columnName);
column.property.SetValue(obj, value);
}
}
else
{
throw new NotSupportedException("Use relationships not supported in lists, you must create an auxiliar table");
}
}
}
PersistentEntity superObject = GetSuperObject(obj.GetId());
if (superObject != null)
{
Reflections.SetInstanceFromSuperInstance(obj, superObject);
}
return(obj);
} catch (Exception e) {
SQLConsole.WriteLine(e.ToString());
return(null);
}
}
/** Creates an object from the stored data in the JSON.
*
* @param _JSONObject with the data of the object.
* @return the generated instance.
*/
public E Parse(JToken _JSONObject)
{
try {
E obj = (E)Activator.CreateInstance(tableMapping.type);
for (int i = 0; i < this.tableMapping.columns.Length; i++)
{
ColumnInfo column = this.tableMapping.columns[i];
if (column.IsPrimitiveField)
{
if (_JSONObject[column.name] != null)
{
object value = column.propertyType == typeof(String) ? _JSONObject[column.name].Value <String>() : JsonConvert.DeserializeObject(_JSONObject[column.name].ToString(), column.propertyType);
column.property.SetValue(obj, value);
}
else
{
column.property.SetValue(obj, null);
}
}
else if (column.IsSingleRelationship)
{
object value = null;
PersistentEntity relationObject = (PersistentEntity)Activator.CreateInstance(column.propertyType);
if (_JSONObject[QueryGenerator <E> .ColumnName(column)] != null)
{
relationObject.SetServerId(JsonConvert.DeserializeObject <long>(_JSONObject[QueryGenerator <E> .ColumnName(column)].ToString()));
value = relationObject;
}
else if (_JSONObject[column.property.Name] != null)
{
value = relationObject.GetTableData().Parse(_JSONObject[column.name]);
}
column.property.SetValue(obj, value);
}
else if (column.IsMultipleRelationship)
{
if (_JSONObject[column.name] != null)
{
PersistentEntity relationObject = (PersistentEntity)Activator.CreateInstance(column.propertyType.GenericTypeArguments[0]);
List <PersistentEntity> value = relationObject.GetTableData().Parse(JArray.Parse(_JSONObject[column.name].ToString()));
column.property.SetValue(obj, value);
}
else
{
column.property.SetValue(obj, null);
}
}
}
Type baseType = Reflections.GetBaseType(this.tableMapping.type);
if (baseType != typeof(PersistentEntity))
{
Reflections.SetInstanceFromSuperInstance(obj, ((PersistentEntity)Activator.CreateInstance(baseType)).GetTableData().Parse(_JSONObject));
}
return(obj);
} catch (Exception e) {
SQLConsole.WriteLine(e.ToString());
return(null);
}
}
/** Creates a <code>ContentValues</code> from the object.
*
* @param object to be converted in a <code>ContentValues</code> for persistent context
* @return the generated <code>ContentValues</code>.
*/
public Dictionary <String, object> GetContentValues(E obj)
{
Dictionary <String, object> values = new Dictionary <String, object>();
if (obj.GetId() != -1)
{
values[Configuration.ID_COLUMN_NAME] = obj.GetId();
}
foreach (ColumnInfo column in this.tableMapping.columns)
{
if (!column.IsMultipleRelationship)
{
if (column.IsSingleRelationship)
{
if (Reflections.IsAttributePresent(column.property, typeof(BelongsTo)) || !Reflections.IsAttributePresent(column.property, typeof(HasOne)))
{
values[QueryGenerator <E> .ColumnName(column)] = ((PersistentEntity)column.property.GetValue(obj)).GetServerId();
}
}
else
{
values[QueryGenerator <E> .ColumnName(column)] = column.property.GetValue(obj);
}
}
}
return(values);
}
public void OnUpgrade(SQLiteConnection database, int oldVersion, int newVersion)
{
SQLConsole.WriteLine("Updating database file...");
SQLConsole.WriteLine(" - Name: " + Configuration.DATABASE_NAME);
SQLConsole.WriteLine(" - Version: " + oldVersion);
if (Configuration.DATABASE_CREATE.Equals("drop-create"))
{
database.Execute("PRAGMA FOREIGN_KEYS = OFF");
try {
List <TypeInfo> types = Reflections.GetTypesFromAssembly(Configuration.DOMAIN_PACKAGE);
foreach (TypeInfo type in types)
{
if (type.IsSubclassOf(typeof(PersistentEntity)))
{
PersistentEntity entity = (PersistentEntity)Activator.CreateInstance(type.AsType());
//String query = (String)typeof(QueryGenerator<PersistentEntity>).GetTypeInfo().MakeGenericType(type.AsType()).GetTypeInfo().GetDeclaredMethod("CreateTableQuery").Invoke(null, new object[] { entity.GetTableData() });
//Execute(QueryGenerator<PersistentEntity>.CreateTableQuery((entity.GetTableData<PersistentEntity>()).GetTableMapping()));
dynamic tableData = entity.GetTableData(); //GetType().GetTypeInfo().GetDeclaredMethod("GetTableData").MakeGenericMethod(entity.GetType()).Invoke(entity, null);
//Reflections.CastTo();
String query = (String)typeof(QueryGenerator <>).GetTypeInfo().MakeGenericType(type.AsType()).GetTypeInfo().GetDeclaredMethod("DropTableQuery").Invoke(null, new object[] { tableData.GetTableMapping() });
//QueryGenerator<PersistentEntity>.CreateTableQuery(tableData);
//dynamic tableData = (EntityManager<PersistentEntity>)Convert.ChangeType(entity.GetType().GetTypeInfo().GetDeclaredMethod("GetTableData").MakeGenericMethod(entity.GetType()).Invoke(entity, null), typeof(EntityManager<PersistentEntity>));
Execute(query);
}
}
} catch (System.IO.FileNotFoundException e) {
Debug.WriteLine(e.ToString());
}
}
else if (Configuration.DATABASE_CREATE.Equals("update"))
{
database.Execute("PRAGMA FOREIGN_KEYS = OFF");
/*ArrayList<Table> newTables = getDomainStructure();
* ArrayList<Table> oldTables = getDatabaseStructure(database);
* for (Table oldTable : oldTables) {
* if (!newTables.contains(oldTable)) {
* String dropTableQuery = "DROP TABLE IF EXISTS " + oldTable.name;
* SQLConsole.Log(dropTableQuery);
* database.execSQL(dropTableQuery);
* } else {
* // TODO: comprobar campos
* }
* }
* for (Table newTable : newTables) {
* if (!oldTables.contains(newTable)) {
* String createTableQuery = SQLQueryGenerator.getCreateTable(newTable.type);
* SQLConsole.Log(createTableQuery);
* database.execSQL(createTableQuery);
* }
* }*/
database.Execute("PRAGMA FOREIGN_KEYS = ON");
//validateDatabase(database);
}
OnCreate(database);
}
