Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/wsplgen/WSPLGENCallable.java @ 4573:b87073a05f9d

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flys-client: Patch to render combobox options as clickable links. The way of passing data arguments to the links and further to the Artifact feeding service is somewhat hacked and should be refactored (later...).
author Christian Lins <christian.lins@intevation.de>
date Tue, 27 Nov 2012 12:50:10 +0100
parents 453d2d0c4258
children
rev   line source
1970
368040e5c400 Improved the Scheduler to be able to cancel running WSPLGEN jobs.
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1 package de.intevation.flys.wsplgen;
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2
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b87073a05f9d flys-client: Patch to render combobox options as clickable links.
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3 import de.intevation.artifacts.CallContext;
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4 import de.intevation.flys.artifacts.model.map.WSPLGENJob;
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5
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453d2d0c4258 Organized and added missing imports.
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6 import java.io.File;
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7 import java.io.IOException;
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8 import java.util.concurrent.Callable;
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9
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10 import org.apache.log4j.Logger;
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11
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12
368040e5c400 Improved the Scheduler to be able to cancel running WSPLGEN jobs.
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13 /**
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14 * A Callable that is used to start and observe an external Process for WSPLGEN.
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15 *
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16 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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17 */
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18 public class WSPLGENCallable implements Callable {
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19
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20 public static final String WSPLGEN_PARAMETER_FILE =
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21 "wsplgen.par";
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22
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23 public static final String WSPLGEN_BIN_PATH =
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24 System.getProperty("wsplgen.bin.path");
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25
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26
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27 private Logger logger = Logger.getLogger(WSPLGENCallable.class);
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28
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29 private Process process;
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30
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31 protected Scheduler scheduler;
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32
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33 protected WSPLGENJob job;
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34
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35 protected JobObserver logObserver;
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36 protected ProblemObserver errorObserver;
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37
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38
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39 public WSPLGENCallable(Scheduler scheduler, WSPLGENJob job) {
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40 this.scheduler = scheduler;
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41 this.job = job;
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42 this.logObserver = new JobObserver(job);
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43 this.errorObserver = new ProblemObserver(job);
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44 }
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45
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46
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47 @Override
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48 public WSPLGENJob call() {
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49 File dir = job.getWorkingDir();
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50 File parameter = new File(dir, WSPLGEN_PARAMETER_FILE);
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51
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52 String[] args = new String[] {
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53 WSPLGEN_BIN_PATH,
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54 "-PAR=\"" + parameter.getAbsolutePath() + "\""
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55 };
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56
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57 execute(args, dir);
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58
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59 return job;
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60 }
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61
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62
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63 protected void execute(String[] args, File dir) {
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64 logger.info("Start JobExecutor for artifact: " + dir.getName());
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65
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66 try {
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67 synchronized (this) {
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68 process = Runtime.getRuntime().exec(args, null, dir);
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69
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70 logObserver.setInputStream(process.getInputStream());
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71 errorObserver.setInputStream(process.getErrorStream());
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72
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73 logObserver.start();
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74 errorObserver.start();
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75
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76 try {
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77 process.waitFor();
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78 }
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79 catch (InterruptedException ie) {
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80 logger.warn("WSPLGEN job interrupted: " + ie.getMessage());
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81 }
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82
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83 try {
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84 logObserver.join();
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85 errorObserver.join();
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86 }
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87 catch (InterruptedException iee) { /* do nothing */ }
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88
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89 logger.info("WSPLGEN exit value: " + process.exitValue());
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90 logger.info(
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91 "WSPLGEN throw " +
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92 errorObserver.numErrors() + " errors.");
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93 logger.info(
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94 "WSPLGEN throw " +
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95 errorObserver.numWarnings() + " warnings.");
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96
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97 if (process.exitValue() < 2 && errorObserver.numErrors() == 0) {
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98 FacetCreator fc = job.getFacetCreator();
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99 fc.createWSPLGENFacet();
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100 fc.finish();
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101 }
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102
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103 job.getCallContext().afterBackground(CallContext.STORE);
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104
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105 scheduler.removeJob(getJob().getArtifact().identifier());
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106
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107 return;
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108 }
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109 }
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110 catch (SecurityException se) {
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111 logger.error(se);
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112 }
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113 catch (IOException ioe) {
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114 logger.error(ioe);
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115 }
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116 catch (NullPointerException npe) {
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117 logger.error(npe, npe);
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118 }
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119 catch (IndexOutOfBoundsException ioobe) {
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120 logger.error(ioobe, ioobe);
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121 }
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122 }
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123
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124
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125 public void cancelWSPLGEN() {
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126 if (process != null) {
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127 logger.debug("Cancel running WSPLGEN process.");
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128 process.destroy();
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129 }
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130 }
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131
368040e5c400 Improved the Scheduler to be able to cancel running WSPLGEN jobs.
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132
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133 public WSPLGENJob getJob() {
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134 return job;
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135 }
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136 }
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137 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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