01: /**********************************************************************
02: Copyright (c) 2007 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;
18:
19: /**
20: * Sequence of identifiers.
21: *
22: * @version $Revision: 1.2 $
23: */
24: public interface JPOXSequence {
25: /**
26: * Method to allocate an amount of values.
27: * @param amount The amount
28: */
29: public void allocate(int amount);
30:
31: /**
32: * Accessor for the current value object.
33: * @return Current value object
34: */
35: public Object current();
36:
37: /**
38: * Accessor for the current value.
39: * @return Current value
40: */
41: public long currentValue();
42:
43: /**
44: * Accessor for the name of the sequence.
45: * @return Name of the sequence
46: */
47: public String getName();
48:
49: /**
50: * Accessor for the next value object.
51: * @return Next value object
52: */
53: public Object next();
54:
55: /**
56: * Accessor for the next value.
57: * @return next value
58: */
59: public long nextValue();
60: }
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