| // Copyright 2008 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gwtorm.server; |
| |
| |
| /** |
| * Creates new application Schema instances on demand. |
| * |
| * @param <S> schema type which defines the application database's. |
| */ |
| public interface SchemaFactory<S extends Schema> { |
| /** |
| * Open a new connection to the database and get a Schema wrapper. |
| * |
| * @return a new connection, wrapped up in the application's Schema. |
| * @throws OrmException the connection could not be opened to the database. |
| * The exception detail should be examined to determine the root cause |
| * of the connection failure. |
| */ |
| S open() throws OrmException; |
| } |