*/
package mir.module;
-import java.util.Map;\r
-\r
-import mir.entity.Entity;\r
-import mir.entity.EntityList;\r
+import java.util.Map;
+import java.sql.SQLException;
+
+import mir.entity.Entity;
+import mir.entity.EntityList;
import mir.storage.StorageObject;
*/
public class AbstractModule {
- protected StorageObject theStorage;
+ protected StorageObject storage;
- public void setStorage(StorageObject storage) {
- this.theStorage = storage;
+ public AbstractModule(StorageObject aStorageObject) {
+ storage = aStorageObject;
}
/**
- * Liefert das Standard-StorageObject zur?ck, mit dem das Module assoziiert ist.
- * @return Standard-StorageObject
+ * Returns the storage object associated with this module
*/
public StorageObject getStorageObject () {
- return theStorage;
+ return storage;
}
- /**
- * Holt eine Entity anhand der Id via StorageObject
- * @param String der Entity
- * @return Entity
- */
public Entity getById (String id) throws ModuleExc, ModuleFailure {
try {
- if (theStorage == null)
+ if (storage == null)
throw new ModuleExc("AbstractModule.getById: No StorageObject set!");
- Entity entity = (Entity)theStorage.selectById(id);
+ Entity entity = storage.selectById(id);
if (entity == null)
throw new ModuleExc("AbstractModule.getById: No object for id = " + id);
}
}
- /**
- * Holt eine EntityListe anhand des WhereClause via StorageObject
- * @param String whereclause
- * @param offset - ab welchem Datensatz die gematchten Entities zurueckgeliefert werden
- * @return EntityList Liste der gematchten Datens?tze
- */
public EntityList getByWhereClause (String whereClause, int offset) throws ModuleExc, ModuleFailure {
try {
- if (theStorage == null)
+ if (storage == null)
throw new ModuleExc("AbstractModule.getByWhereClause: No StorageObject set!");
- return theStorage.selectByWhereClause(whereClause, offset);
+ return storage.selectByWhereClause(whereClause, offset);
}
catch (Throwable e) {
throw new ModuleFailure(e);
}
/**
- * Holt eine EntityListe anhand des WhereClause aus dem StorageObject
- * @param String where WhereClause
- * @param String order Sortierreihenfolge
- * @param offset - ab welchem Datensatz die gematchten Entities zurueckgeliefert werden
- * @return EntityList Liste der gematchten Datens?tze
- */
- public EntityList getByWhereClause (String where, String order, int offset) throws ModuleExc, ModuleFailure {
- try {
- if (theStorage==null)
- throw new ModuleExc("AbstractModule.getByWhereClause: No StorageObject set!");
-
- return theStorage.selectByWhereClause(where, order, offset);
- }
- catch (Throwable e) {
- throw new ModuleFailure(e);
- }
- }
- /**
- * Executes a where clause on the StorageObject with order criteria
- * fetching from offset the number of limit objects
- *
- * @param String where
- * @param String order
- * @param int offset
- * @param int limit
- * @return EntityList
- */
-
- public EntityList getByWhereClause(String where, String order, int offset, int limit) throws ModuleExc, ModuleFailure {
- try {
- if (theStorage==null)
- throw new ModuleExc("AbstractModule.getByWhereClause: StorageObject not set!");
-
- return theStorage.selectByWhereClause(where, order, offset, limit);
- }
- catch (Throwable e) {
- throw new ModuleFailure(e);
- }
- }
-
- /**
- * Holt eine EntityListe anhand des Wertes aValue von Feld aField aus dem StorageObject
- * @param String aField - Feldname im StorageObject
- * @param String aValue - Wert in Feld im StorageObject
- * @param offset - ab welchem Datensatz die gematchten Entities zurueckgeliefert werden
- * @return EntityList Liste der gematchten Datens?tze
- */
- public EntityList getByFieldValue (String aField, String aValue, int offset) throws ModuleExc, ModuleFailure {
- String whereClause;
- whereClause = aField + " like '%" + aValue + "%'";
- return getByWhereClause(whereClause, offset);
- }
-
- /**
* * Standardfunktion, um einen Datensatz via StorageObject einzuf?gen
* @param theValues Hash mit Spalte/Wert-Paaren
* @return Id des eingef?gten Objekts
*/
public String add (Map theValues) throws ModuleExc, ModuleFailure {
try {
- Entity theEntity = (Entity)theStorage.getEntityClass().newInstance();
- theEntity.setStorage(theStorage);
- theEntity.setValues(theValues);
+ Entity theEntity = (Entity)storage.getEntityClass().newInstance();
+ theEntity.setStorage(storage);
+ theEntity.setFieldValues(theValues);
return theEntity.insert();
}
catch (Throwable e) {
/**
* This function creates an Entity without yet storing it in the database
- *
- * @param theValues
- * @return
- * @throws ModuleExc
- * @throws ModuleFailure
*/
public Entity createNew() throws ModuleExc, ModuleFailure {
try {
- Entity result = (Entity)theStorage.getEntityClass().newInstance();
- result.setStorage(theStorage);
+ Entity result = (Entity)storage.getEntityClass().newInstance();
+ result.setStorage(storage);
return result;
}
*/
public String set (Map theValues) throws ModuleExc, ModuleFailure {
try {
- Entity theEntity = theStorage.selectById((String)theValues.get("id"));
+ Entity theEntity = storage.selectById((String)theValues.get("id"));
if (theEntity == null)
throw new ModuleExc("No object found with id " + theValues.get("id"));
- theEntity.setValues(theValues);
+ theEntity.setFieldValues(theValues);
theEntity.update();
return theEntity.getId();
}
*/
public void deleteById (String idParam) throws ModuleExc, ModuleFailure {
try {
- theStorage.delete(idParam);
+ storage.delete(idParam);
}
catch (Throwable e) {
throw new ModuleFailure(e);
*/
public int getSize(String where) throws ModuleExc, ModuleFailure {
try {
- return theStorage.getSize(where);
+ return storage.getSize(where);
}
- catch (Throwable e) {
- throw new ModuleFailure(e);
+ catch (SQLException e) {
+ throw new ModuleFailure("Can't retrieve number of entities: " + e.toString(), e);
}
}
projects / mir.git / blobdiff