List of usage examples for javax.sql.rowset.spi SyncResolver nextConflict
public boolean nextConflict() throws SQLException;
From source file:com.oracle.tutorial.jdbc.CachedRowSetSample.java
public void testPaging() throws SQLException, MalformedURLException { CachedRowSet crs = null;/*from www .ja v a 2s. c om*/ this.con.setAutoCommit(false); try { crs = new CachedRowSetImpl(); crs.setUsername(settings.userName); crs.setPassword(settings.password); if (this.dbms.equals("mysql")) { crs.setUrl(settings.urlString + "?relaxAutoCommit=true"); } else { crs.setUrl(settings.urlString); } crs.setCommand("select * from MERCH_INVENTORY"); // Setting the page size to 4, such that we // get the data in chunks of 4 rows @ a time. crs.setPageSize(100); // Now get the first set of data crs.execute(); crs.addRowSetListener(new ExampleRowSetListener()); // Keep on getting data in chunks until done. int i = 1; do { System.out.println("Page number: " + i); while (crs.next()) { System.out.println("Found item " + crs.getInt("ITEM_ID") + ": " + crs.getString("ITEM_NAME")); if (crs.getInt("ITEM_ID") == 1235) { int currentQuantity = crs.getInt("QUAN") + 1; System.out.println("Updating quantity to " + currentQuantity); crs.updateInt("QUAN", currentQuantity + 1); crs.updateRow(); // Syncing the row back to the DB crs.acceptChanges(con); } } // End of inner while i++; } while (crs.nextPage()); // End of outer while // Inserting a new row // Doing a previous page to come back to the last page // as we ll be after the last page. int newItemId = 123456; if (this.doesItemIdExist(newItemId)) { System.out.println("Item ID " + newItemId + " already exists"); } else { crs.previousPage(); crs.moveToInsertRow(); crs.updateInt("ITEM_ID", newItemId); crs.updateString("ITEM_NAME", "TableCloth"); crs.updateInt("SUP_ID", 927); crs.updateInt("QUAN", 14); Calendar timeStamp; timeStamp = new GregorianCalendar(); timeStamp.set(2006, 4, 1); crs.updateTimestamp("DATE_VAL", new Timestamp(timeStamp.getTimeInMillis())); crs.insertRow(); crs.moveToCurrentRow(); // Syncing the new row back to the database. System.out.println("About to add a new row..."); crs.acceptChanges(con); System.out.println("Added a row..."); this.viewTable(con); } } catch (SyncProviderException spe) { SyncResolver resolver = spe.getSyncResolver(); Object crsValue; // value in the RowSet object Object resolverValue; // value in the SyncResolver object Object resolvedValue; // value to be persisted while (resolver.nextConflict()) { if (resolver.getStatus() == SyncResolver.INSERT_ROW_CONFLICT) { int row = resolver.getRow(); crs.absolute(row); int colCount = crs.getMetaData().getColumnCount(); for (int j = 1; j <= colCount; j++) { if (resolver.getConflictValue(j) != null) { crsValue = crs.getObject(j); resolverValue = resolver.getConflictValue(j); // Compare crsValue and resolverValue to determine // which should be the resolved value (the value to persist) // // This example choses the value in the RowSet object, // crsValue, to persist., resolvedValue = crsValue; resolver.setResolvedValue(j, resolvedValue); } } } } } catch (SQLException sqle) { JDBCTutorialUtilities.printSQLException(sqle); } finally { if (crs != null) crs.close(); this.con.setAutoCommit(true); } }
From source file:com.egt.core.db.xdp.RecursoCachedRowSet.java
/** * {@inheritDoc}/*from w w w . jav a 2s . co m*/ */ @Override public void acceptChanges() throws SyncProviderException { try { this.getFilasConflictivas().clear(); super.acceptChanges(); } catch (SyncProviderException spe) { SyncResolver resolver = spe.getSyncResolver(); if (resolver != null && resolver instanceof SyncResolverX) { boolean showDeleted = this.tryToGetShowDeleted(); boolean sinDuplicados = TLC.getBitacora().isSinDuplicados(); int conflictos = 0; int row; int status = SyncResolver.NO_ROW_CONFLICT; String transaction = DBUtils.getTransactionLabel(status); SQLException sqlException; int errorCode; String message; String localizedMessage; String sqlState; String heading; String clave = CBM2.COMMIT_CHANGES_UNKNOWN_EXCEPTION; int tipoError; /* OJO con la constante, 1 -> fila con un error desconocido */ String mensaje; String prefijo = Global.PREFIJO_ETIQUETA_ID_RECURSO; try { this.tryToSetShowDeleted(true); TLC.getBitacora().setSinDuplicados(true); while (resolver.nextConflict()) { conflictos++; row = resolver.getRow(); status = resolver.getStatus(); transaction = DBUtils.getTransactionLabel(status); sqlException = ((SyncResolverX) resolver).getSQLException(); errorCode = sqlException.getErrorCode(); message = sqlException.getMessage(); localizedMessage = StringUtils.substringBefore(sqlException.getLocalizedMessage(), " Where: "); sqlState = sqlException.getSQLState(); heading = "Row:" + row + ", Status:" + status + ", Code:" + errorCode + ", State:" + sqlState; Bitacora.trace(heading + message); if (TLC.getInterpreteSql().isCommandIgnoredException(sqlException)) { clave = CBM2.COMMIT_CHANGES_COMMAND_IGNORED_EXCEPTION; tipoError = 0; /* OJO con la constante, 0 -> fila "ignorada" (no se sabe si tiene o no errores) */ mensaje = tipoError + Bitacora.getTextoMensaje(clave, transaction, prefijo + row); TLC.getBitacora().error(CBM2.COMMIT_CHANGES_COMMAND_IGNORED); if (status == SyncResolver.DELETE_ROW_CONFLICT) { this.tryToSetShowDeleted(false); } } else { String columna = TLC.getInterpreteSql() .getNotNullConstraintViolationColumn(sqlException); if (StringUtils.isNotBlank(columna)) { clave = CBM2.DATABASE_NOT_NULL_CONSTRAINT_VIOLATION; tipoError = 2; /* OJO con la constante, 2 -> fila con un error conocido */ mensaje = tipoError + TLC.getBitacora().error(clave, transaction, prefijo + row, columna); } else { clave = DBUtils.getConstraintMessageKey(message, status); if (clave == null) { clave = CBM2.COMMIT_CHANGES_UNKNOWN_EXCEPTION; tipoError = 1; /* OJO con la constante, 1 -> fila con un error desconocido */ mensaje = tipoError + TLC.getBitacora().error(clave, transaction, prefijo + row, localizedMessage); } else { tipoError = 2; /* OJO con la constante, 2 -> fila con un error conocido */ mensaje = tipoError + TLC.getBitacora().error(clave, transaction, prefijo + row); } } } this.getFilasConflictivas().put(String.valueOf(row - 1), mensaje); // if (status == SyncResolver.DELETE_ROW_CONFLICT) // if (this.absolute(row)) // if (this.rowDeleted()) // RETORNA FALSO! // this.undoDelete(); } if (conflictos == 0) { /* esto parece un BUG, y pasa cuando se elimina la ultima fila y showDeleted==false */ TLC.getBitacora().error(clave, transaction, "", spe.getLocalizedMessage()); } } catch (SQLException ex) { TLC.getBitacora().fatal(ex); } finally { this.tryToSetShowDeleted(showDeleted); TLC.getBitacora().setSinDuplicados(sinDuplicados); throw new SyncProviderException(this.getSyncProviderExceptionString(spe)); } } throw spe; } }
From source file:ips1ap101.lib.core.db.xdp.RecursoCachedRowSet.java
/** * {@inheritDoc}/*from w w w .j ava 2 s. c o m*/ */ @Override public void acceptChanges() throws SyncProviderException { try { this.getFilasConflictivas().clear(); super.acceptChanges(); } catch (SyncProviderException spe) { SyncResolver resolver = spe.getSyncResolver(); if (resolver != null && resolver instanceof SyncResolverX) { boolean showDeleted = this.tryToGetShowDeleted(); boolean sinDuplicados = TLC.getBitacora().isSinDuplicados(); int conflictos = 0; int row; int status = SyncResolver.NO_ROW_CONFLICT; String transaction = DBUtils.getTransactionLabel(status); SQLException sqlException; int errorCode; String message; String localizedMessage; String sqlState; String clave = CBM.COMMIT_CHANGES_UNKNOWN_EXCEPTION; int tipoError; /* OJO con la constante, 1 -> fila con un error desconocido */ String mensaje; String prefijo = Global.PREFIJO_ETIQUETA_ID_RECURSO; try { this.tryToSetShowDeleted(true); TLC.getBitacora().setSinDuplicados(true); while (resolver.nextConflict()) { conflictos++; row = resolver.getRow(); status = resolver.getStatus(); transaction = DBUtils.getTransactionLabel(status); sqlException = ((SyncResolverX) resolver).getSQLException(); errorCode = sqlException.getErrorCode(); message = sqlException.getMessage(); localizedMessage = DBUtils.getProperErrorMessage(sqlException.getLocalizedMessage()); sqlState = sqlException.getSQLState(); Bitacora.trace("SQLException Message = " + message); Bitacora.trace("SQLException Localized Message = " + localizedMessage); Bitacora.trace("SQLException Row = " + row + ", Status = " + status + ", Code = " + errorCode + ", State = " + sqlState); if (TLC.getInterpreteSql().isCommandIgnoredException(sqlException)) { clave = CBM.COMMIT_CHANGES_COMMAND_IGNORED_EXCEPTION; tipoError = 0; /* OJO con la constante, 0 -> fila "ignorada" (no se sabe si tiene o no errores) */ mensaje = tipoError + Bitacora.getTextoMensaje(clave, transaction, prefijo + row); TLC.getBitacora().error(CBM.COMMIT_CHANGES_COMMAND_IGNORED); if (status == SyncResolver.DELETE_ROW_CONFLICT) { this.tryToSetShowDeleted(false); } } else { String columna = TLC.getInterpreteSql() .getNotNullConstraintViolationColumn(sqlException); if (StringUtils.isNotBlank(columna)) { clave = CBM.DATABASE_NOT_NULL_CONSTRAINT_VIOLATION; tipoError = 2; /* OJO con la constante, 2 -> fila con un error conocido */ mensaje = tipoError + TLC.getBitacora().error(clave, transaction, prefijo + row, columna); } else { clave = DBUtils.getConstraintMessageKey(message, status); if (clave == null) { clave = CBM.COMMIT_CHANGES_UNKNOWN_EXCEPTION; tipoError = 1; /* OJO con la constante, 1 -> fila con un error desconocido */ mensaje = tipoError + TLC.getBitacora().error(clave, transaction, prefijo + row, localizedMessage); } else { tipoError = 2; /* OJO con la constante, 2 -> fila con un error conocido */ mensaje = tipoError + TLC.getBitacora().error(clave, transaction, prefijo + row); } } } this.getFilasConflictivas().put(String.valueOf(row - 1), mensaje); // if (status == SyncResolver.DELETE_ROW_CONFLICT) // if (this.absolute(row)) // if (this.rowDeleted()) // RETORNA FALSO! // this.undoDelete(); } if (conflictos == 0) { /* esto parece un BUG, y pasa cuando se elimina la ultima fila y showDeleted==false */ TLC.getBitacora().error(clave, transaction, "", spe.getLocalizedMessage()); } } catch (SQLException ex) { TLC.getBitacora().fatal(ex); } finally { this.tryToSetShowDeleted(showDeleted); TLC.getBitacora().setSinDuplicados(sinDuplicados); throw new SyncProviderException(this.getSyncProviderExceptionString(spe)); } } throw spe; } }