01: /**********************************************************************
02: Copyright (c) 2007 Andy Jefferson 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.sco.queued;
18:
19: import org.jpox.StateManager;
20: import org.jpox.store.scostore.ListStore;
21: import org.jpox.store.scostore.Store;
22:
23: /**
24: * Remove operation for a list at a particular index.
25: *
26: * @version $Revision: 1.3 $
27: */
28: public class RemoveAtOperation implements QueuedOperation {
29: /** The index to remove. */
30: int index;
31:
32: /**
33: * Constructor.
34: * @param index The index to remove
35: */
36: public RemoveAtOperation(int index) {
37: this .index = index;
38: }
39:
40: /**
41: * Perform the remove(Object) operation on the specified container.
42: * @param store The backing store to perform it on
43: * @param sm StateManager for the owner of the container
44: */
45: public void perform(Store store, StateManager sm) {
46: ((ListStore) store).remove(sm, index, -1);
47: }
48: }
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