01: /*
02:
03: Derby - Class org.apache.derby.iapi.sql.execute.ConstantAction
04:
05: Licensed to the Apache Software Foundation (ASF) under one or more
06: contributor license agreements. See the NOTICE file distributed with
07: this work for additional information regarding copyright ownership.
08: The ASF licenses this file to you under the Apache License, Version 2.0
09: (the "License"); you may not use this file except in compliance with
10: the License. You may obtain a copy of the License at
11:
12: http://www.apache.org/licenses/LICENSE-2.0
13:
14: Unless required by applicable law or agreed to in writing, software
15: distributed under the License is distributed on an "AS IS" BASIS,
16: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: See the License for the specific language governing permissions and
18: limitations under the License.
19:
20: */
21:
22: package org.apache.derby.iapi.sql.execute;
23:
24: import org.apache.derby.iapi.error.StandardException;
25:
26: import org.apache.derby.iapi.sql.Activation;
27:
28: import org.apache.derby.catalog.UUID;
29:
30: /**
31: * This interface describes actions that are ALWAYS performed for a
32: * Statement at Execution time. For instance, it is used for DDL
33: * statements to describe what they should stuff into the catalogs.
34: * <p>
35: * An object satisfying this interface is put into the PreparedStatement
36: * and run at Execution time.
37: *
38: * @author Rick Hillegas
39: */
40:
41: public interface ConstantAction {
42: /**
43: * Run the ConstantAction.
44: *
45: * @param activation The execution environment for this constant action.
46: *
47: * @exception StandardException Thrown on failure
48: */
49: public void executeConstantAction(Activation activation)
50: throws StandardException;
51: }
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