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 @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | /*
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25 | * AUTHORS (In addition to CIT):
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26 | * 2009 IVER T.I {{Task}}
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27 | */
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28 | |||
29 | /**
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30 | *
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31 | */
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32 | package org.gvsig.fmap.dal.resource.spi; |
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33 | |||
34 | import org.gvsig.fmap.dal.exception.InitializeException; |
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35 | import org.gvsig.fmap.dal.resource.ResourceAction; |
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36 | import org.gvsig.fmap.dal.resource.ResourceParameters; |
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37 | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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38 | |||
39 | /**
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40 | * <p>
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41 | * Abstract Implementation for Resource that allows the concurrent access.
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42 | * </p>
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43 | *
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44 | * @author jmvivo
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45 | *
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46 | */
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47 | public abstract class AbstractNonBlockingResource extends AbstractResource { |
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48 | |||
49 | /**
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50 | * @param parameters
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51 | * @throws InitializeException
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52 | */
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53 | public AbstractNonBlockingResource(ResourceParameters parameters)
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54 | throws InitializeException {
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55 | super(parameters);
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56 | } |
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57 | |||
58 | public Object execute(ResourceAction action) |
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59 | throws ResourceExecuteException {
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60 | Object value = null; |
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61 | synchronized (lock) {
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62 | executeBegins(); |
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63 | } |
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64 | try {
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65 | value = performExecution(action); |
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66 | } catch (Exception e) { |
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67 | throw new ResourceExecuteException(this, e); |
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68 | } finally {
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69 | synchronized (lock) {
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70 | executeEnds(); |
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71 | } |
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72 | } |
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73 | return value;
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74 | } |
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75 | } |