01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: */
19: package org.apache.openjpa.jdbc.schema;
20:
21: /**
22: * Factory for {@link SchemaGroup}s. Users can plug in their own factory
23: * implementation, or rely on the ones provided. Most schema factoryies
24: * will probably implement {@link org.apache.openjpa.lib.conf.Configurable} to
25: * receive the system congiguration on construction.
26: *
27: * @author Abe White
28: */
29: public interface SchemaFactory {
30:
31: /**
32: * Return the schema group for the current object model and database.
33: */
34: public SchemaGroup readSchema();
35:
36: /**
37: * Record the schema group after changes may have been made.
38: *
39: * @param schema the schema definition for the entire system
40: */
41: public void storeSchema(SchemaGroup schema);
42: }
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