svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / resource / spi / AbstractNonBlockingResource.java @ 40435
History | View | Annotate | Download (1.97 KB)
1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
|
---|---|---|---|
2 | *
|
||
3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
|
||
4 | * of the Valencian Government (CIT)
|
||
5 | *
|
||
6 | * This program is free software; you can redistribute it and/or
|
||
7 | * modify it under the terms of the GNU General Public License
|
||
8 | * as published by the Free Software Foundation; either version 2
|
||
9 | * of the License, or (at your option) any later version.
|
||
10 | *
|
||
11 | * This program is distributed in the hope that it will be useful,
|
||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
14 | * GNU General Public License for more details.
|
||
15 | *
|
||
16 | * You should have received a copy of the GNU General Public License
|
||
17 | * along with this program; if not, write to the Free Software
|
||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
19 | * MA 02110-1301, USA.
|
||
20 | *
|
||
21 | */
|
||
22 | |||
23 | /*
|
||
24 | * AUTHORS (In addition to CIT):
|
||
25 | * 2009 IVER T.I {{Task}}
|
||
26 | */
|
||
27 | |||
28 | /**
|
||
29 | *
|
||
30 | */
|
||
31 | package org.gvsig.fmap.dal.resource.spi; |
||
32 | |||
33 | import org.gvsig.fmap.dal.exception.InitializeException; |
||
34 | import org.gvsig.fmap.dal.resource.ResourceAction; |
||
35 | import org.gvsig.fmap.dal.resource.ResourceParameters; |
||
36 | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
||
37 | |||
38 | /**
|
||
39 | * <p>
|
||
40 | * Abstract Implementation for Resource that allows the concurrent access.
|
||
41 | * </p>
|
||
42 | *
|
||
43 | * @author jmvivo
|
||
44 | *
|
||
45 | */
|
||
46 | public abstract class AbstractNonBlockingResource extends AbstractResource { |
||
47 | |||
48 | /**
|
||
49 | * @param parameters
|
||
50 | * @throws InitializeException
|
||
51 | */
|
||
52 | public AbstractNonBlockingResource(ResourceParameters parameters)
|
||
53 | throws InitializeException {
|
||
54 | super(parameters);
|
||
55 | } |
||
56 | |||
57 | public Object execute(ResourceAction action) |
||
58 | throws ResourceExecuteException {
|
||
59 | Object value = null; |
||
60 | synchronized (lock) {
|
||
61 | executeBegins(); |
||
62 | } |
||
63 | try {
|
||
64 | value = performExecution(action); |
||
65 | } catch (Exception e) { |
||
66 | throw new ResourceExecuteException(this, e); |
||
67 | } finally {
|
||
68 | synchronized (lock) {
|
||
69 | executeEnds(); |
||
70 | } |
||
71 | } |
||
72 | return value;
|
||
73 | } |
||
74 | } |