01: /**********************************************************************
02: Copyright (c) 2004 Erik Bengtson and others. All rights reserved.
03: Licensed under the Apache License, Version 2.0 (the "License");
04: you may not use this file except in compliance with the License.
05: You may obtain a copy of the License at
06:
07: http://www.apache.org/licenses/LICENSE-2.0
08:
09: Unless required by applicable law or agreed to in writing, software
10: distributed under the License is distributed on an "AS IS" BASIS,
11: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: See the License for the specific language governing permissions and
13: limitations under the License.
14:
15: Contributors:
16: ...
17: **********************************************************************/package org.jpox.store.mapping;
18:
19: /**
20: * TODO rename it if necessary to provide the best meaning understanding.
21: *
22: * This
23: * represents something in the datastore that holds single elements of data or
24: * embedded elements.
25: *
26: * For example, Strings, Locale, Integer, PersistenceCapable,
27: * Interface, embedded Collections, embedded Lists, Objects and others, but not
28: * non embedded Collections, List, etc.
29: *
30: * In RDBMS, this represents a column in
31: * one table or a column in a table joining to this.
32: *
33: * this representation is enclosed to:
34: * a) "TABLE THIS" or
35: * b) "TABLE OTHER joined to TABLE THIS (1-1 join)"
36: *
37: * Java Mapping Type -> RDBMS Mapping Type
38: * String -> VARCHAR column
39: * Integer -> INTEGER column
40: * embedded Collection -> BLOB column
41: * Interface -> one or more columns
42: * PersistenceCapable -> one or more columns
43: *
44: * @author erik
45: * @version $Revision: 1.2 $
46: */
47: public interface SimpleDatastoreRepresentation {
48: }
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