*/
package mir.module;
-import java.util.Map;
-import java.sql.SQLException;
-
import mir.entity.Entity;
import mir.entity.EntityList;
-import mir.storage.StorageObject;
+import mir.storage.Database;
+import java.util.Map;
/**
* This class provides the base functionality for the derived Module-Classes.
*/
public class AbstractModule {
- protected StorageObject storage;
+ protected Database database;
- public AbstractModule(StorageObject aStorageObject) {
- storage = aStorageObject;
+ public AbstractModule(Database aDatabase) {
+ database = aDatabase;
}
/**
- * Returns the storage object associated with this module
+ * Returns the database object associated with this module
*/
- public StorageObject getStorageObject () {
- return storage;
+ public Database getStorageObject () {
+ return database;
}
public Entity getById (String id) throws ModuleExc, ModuleFailure {
try {
- if (storage == null)
- throw new ModuleExc("AbstractModule.getById: No StorageObject set!");
- Entity entity = storage.selectById(id);
+ if (database == null)
+ throw new ModuleExc("AbstractModule.getById: No Database set!");
+ Entity entity = database.selectById(id);
if (entity == null)
throw new ModuleExc("AbstractModule.getById: No object for id = " + id);
- else
- return entity;
+ return entity;
}
catch (Throwable e) {
throw new ModuleFailure(e);
public EntityList getByWhereClause (String whereClause, int offset) throws ModuleExc, ModuleFailure {
try {
- if (storage == null)
- throw new ModuleExc("AbstractModule.getByWhereClause: No StorageObject set!");
+ if (database == null)
+ throw new ModuleExc("AbstractModule.getByWhereClause: No Database set!");
- return storage.selectByWhereClause(whereClause, offset);
+ return database.selectByWhereClause(whereClause, offset);
}
catch (Throwable e) {
throw new ModuleFailure(e);
}
}
- /**
- * * Standardfunktion, um einen Datensatz via StorageObject einzuf?gen
- * @param theValues Hash mit Spalte/Wert-Paaren
- * @return Id des eingef?gten Objekts
- * @exception ModuleExc
- * @exception ModuleFailure
- */
public String add(Map theValues) throws ModuleExc, ModuleFailure {
try {
- Entity entity = storage.createNewEntity();
+ Entity entity = database.createNewEntity();
entity.setFieldValues(theValues);
return entity.insert();
}
}
- /**
- * Standardfunktion, um einen Datensatz via StorageObject zu aktualisieren
- * @param theValues Hash mit Spalte/Wert-Paaren
- * @return Id des eingef?gten Objekts
- * @exception ModuleExc
- * @exception ModuleFailure
- */
public String set (Map theValues) throws ModuleExc, ModuleFailure {
try {
- Entity theEntity = storage.selectById((String) theValues.get("id"));
+ Entity theEntity = database.selectById((String) theValues.get("id"));
if (theEntity == null)
throw new ModuleExc("No object found with id " + theValues.get("id"));
theEntity.setFieldValues(theValues);
*/
public void deleteById (String idParam) throws ModuleExc, ModuleFailure {
try {
- storage.delete(idParam);
+ database.delete(idParam);
}
catch (Throwable e) {
throw new ModuleFailure(e);
}
}
-
- /**
- * returns the number of rows
- */
- public int getSize(String where) throws ModuleExc, ModuleFailure {
- try {
- return storage.getSize(where);
- }
- catch (SQLException e) {
- throw new ModuleFailure("Can't retrieve number of entities: " + e.toString(), e);
- }
- }
-
}