01: /*
02: * Copyright 2006-2007, Unitils.org
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.unitils.dbmaintainer.clean;
17:
18: import org.unitils.dbmaintainer.util.DatabaseTask;
19:
20: /**
21: * Defines the contract for implementations that delete data from the database, that could cause problems when performing
22: * updates to the database, such as adding not null columns or foreign key constraints.
23: *
24: * @author Filip Neven
25: * @author Tim Ducheyne
26: */
27: public interface DBCleaner extends DatabaseTask {
28:
29: /**
30: * Delete data from the database schema, that could cause problems when performing updates.
31: */
32: void cleanSchemas();
33:
34: }
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