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annotate software/eXist/mpdl-modules/src/org/exist/xquery/modules/mpdldoc/MpdlDocOperationStarter.java @ 0:408254cf2f1d

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Erstellung
author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Wed, 24 Nov 2010 17:24:23 +0100
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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1 /*
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2 * eXist Open Source Native XML Database: Extension module
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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3 * Copyright (C) 2008 Josef Willenborg
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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4 * jwillenborg@mpiwg-berlin.mpg.de
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5 * http://www.mpiwg-berlin.mpg.de
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6 *
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7 * This program is free software; you can redistribute it and/or
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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8 * modify it under the terms of the GNU Lesser General Public License
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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9 * as published by the Free Software Foundation; either version 2
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10 * of the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful,
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 * GNU Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public License
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18 * along with this program; if not, write to the Free Software
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19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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20 *
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21 * $Id: TextModule.java $
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22 */
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23 package org.exist.xquery.modules.mpdldoc;
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24
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25 import org.exist.dom.QName;
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26 import org.exist.xquery.BasicFunction;
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27 import org.exist.xquery.Cardinality;
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28 import org.exist.xquery.FunctionSignature;
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29 import org.exist.xquery.XPathException;
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30 import org.exist.xquery.XQueryContext;
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31 import org.exist.xquery.value.Sequence;
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32 import org.exist.xquery.value.SequenceType;
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33 import org.exist.xquery.value.StringValue;
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34 import org.exist.xquery.value.Type;
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35 import org.exist.xquery.value.ValueSequence;
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36
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37 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
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38 import de.mpg.mpiwg.berlin.mpdl.schedule.MpdlChainScheduler;
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39 import de.mpg.mpiwg.berlin.mpdl.schedule.MpdlDocOperation;
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40
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41 /**
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42 * @author Josef Willenborg (jwillenborg@mpiwg-berlin.mpg.de)
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43 */
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44 public class MpdlDocOperationStarter extends BasicFunction {
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45
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46 public final static FunctionSignature signature =
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47 new FunctionSignature(
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48 new QName("do", MPDLDocModule.NAMESPACE_URI, MPDLDocModule.PREFIX),
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49 "A function which performs/schedules an operation (insert, update or delete) for the given source file (given by local file path) " +
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50 "to the destination (given by document base, language and fileName) both to eSciDoc and eXist." +
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51 "It returns a node which contains information about the scheduled operation (jobId etc.).",
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52 new SequenceType[] { new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
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53 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
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54 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
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55 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
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56 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
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57 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
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58 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE) },
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59 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE));
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60
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61 public MpdlDocOperationStarter(XQueryContext context) {
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62 super(context, signature);
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63 }
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64
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65 public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
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66 Sequence firstSeq = args[0];
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67 Sequence secondSeq = args[1];
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68 Sequence thirdSeq = args[2];
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69 Sequence fourthSeq = args[3];
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70 Sequence fifthSeq = args[4];
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71 Sequence sixthSeq = args[5];
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72 Sequence seventhSeq = args[6];
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73 if (firstSeq.isEmpty() || secondSeq.isEmpty() || thirdSeq.isEmpty() || fourthSeq.isEmpty() || fifthSeq.isEmpty() || sixthSeq.isEmpty() || seventhSeq.isEmpty())
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74 return Sequence.EMPTY_SEQUENCE;
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75 String operationName = firstSeq.getStringValue();
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76 String srcUrl = secondSeq.getStringValue();
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77 String uploadFileName = thirdSeq.getStringValue();
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78 String docBase = fourthSeq.getStringValue();
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79 String language = fifthSeq.getStringValue();
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80 String fileName = sixthSeq.getStringValue();
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81 String eSciDocCookieId = seventhSeq.getStringValue();
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82 MpdlDocOperation docOperation = new MpdlDocOperation(operationName, srcUrl, uploadFileName, docBase, language, fileName);
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83 docOperation.setESciDocCookieId(eSciDocCookieId);
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84 try {
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85 MpdlChainScheduler scheduler = MpdlChainScheduler.getInstance();
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86 docOperation = scheduler.doOperation(docOperation);
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87 } catch (ApplicationException e) {
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88 throw new XPathException(e);
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89 }
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90 int jobId = docOperation.getOrderId();
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91 ValueSequence resultSequence = new ValueSequence();
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92 StringValue strValItems = new StringValue(String.valueOf(jobId));
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93 resultSequence.add(strValItems);
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94 return resultSequence;
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95 }
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96
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97 }