* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with any library licensed under the Apache Software License,
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
- * (or with modified versions of the above that use the same license as the above),
- * and distribute linked combinations including the two. You must obey the
- * GNU General Public License in all respects for all of the code used other than
- * the above mentioned libraries. If you modify this file, you may extend this
- * exception to your version of the file, but you are not obligated to do so.
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
* If you do not wish to do so, delete this exception statement from your version.
*/
import java.util.List;
-import mir.storage.StorageObject;
-import mir.storage.StorageObjectFailure;
+import mir.storage.Database;
+import mir.storage.DatabaseFailure;
+import mir.storage.DatabaseExc;
import mir.util.RewindableIterator;
+import multex.Failure;
public class EntityBrowser implements RewindableIterator {
- private StorageObject storage;
+ private Database database;
private String mainTablePrefix;
private List extraTables;
private String whereClause;
private String orderByClause;
private int batchSize;
- private int toFetch;
private EntityList currentBatch;
private int skip;
private int batchPosition;
private int positionInBatch;
- public EntityBrowser(StorageObject aStorage, String aMainTablePrefix, List someExtraTables,
+ public EntityBrowser(Database aDatabase, String aMainTablePrefix, List someExtraTables,
String aWhereClause, String anOrderByClause,
- int aBatchSize, int aLimit, int aSkip) throws StorageObjectFailure {
+ int aBatchSize, int aLimit, int aSkip) throws DatabaseFailure {
- storage=aStorage;
+ database=aDatabase;
mainTablePrefix=aMainTablePrefix;
extraTables=someExtraTables;
whereClause=aWhereClause;
batchSize=aBatchSize;
skip=aSkip;
limit=aLimit;
-
+
rewind();
}
- public EntityBrowser(StorageObject aStorage, String aWhereClause, String anOrderByClause,
- int aBatchSize, int aLimit, int aSkip) throws StorageObjectFailure {
- this(aStorage, "", null, aWhereClause, anOrderByClause, aBatchSize, aLimit, aSkip);
+ public EntityBrowser(Database aDatabase, String aWhereClause, String anOrderByClause,
+ int aBatchSize, int aLimit, int aSkip) throws DatabaseFailure {
+ this(aDatabase, "", null, aWhereClause, anOrderByClause, aBatchSize, aLimit, aSkip);
}
- public EntityBrowser(StorageObject aStorage,
+ public EntityBrowser(Database aDatabase,
String aWhereClause, String anOrderByClause,
- int aBatchSize) throws StorageObjectFailure {
- this(aStorage, aWhereClause, anOrderByClause, aBatchSize, -1, 0);
+ int aBatchSize) throws DatabaseFailure {
+ this(aDatabase, aWhereClause, anOrderByClause, aBatchSize, -1, 0);
}
- public void readCurrentBatch(int aSkip) throws StorageObjectFailure {
- currentBatch = storage.selectByWhereClause (whereClause, orderByClause, aSkip, batchSize);
+ public void readCurrentBatch(int aSkip) throws DatabaseExc, DatabaseFailure {
+ currentBatch = database.selectByWhereClause(mainTablePrefix, extraTables,
+ whereClause, orderByClause, aSkip, batchSize);
batchPosition = aSkip;
positionInBatch = 0;
}
readCurrentBatch(skip);
}
catch (Throwable t) {
- throw new RuntimeException(t.getMessage());
+ throw new Failure("Error while rewinding", t);
}
}
return result;
}
- else {
- return null;
- }
+ return null;
}
catch (Throwable t) {
throw new RuntimeException(t.getMessage());