Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/wsplgen/WSPLGENCallable.java @ 2605:15a3684c6bce
#366 Display correct descriptions in legend panel of charts.
flys-artifacts/trunk@4183 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 29 Mar 2012 11:09:26 +0000 |
parents | 368040e5c400 |
children | 453d2d0c4258 |
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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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3 import java.io.IOException; |
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4 import java.io.File; |
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5 import java.util.concurrent.Callable; |
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6 |
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7 import org.apache.log4j.Logger; |
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8 |
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9 import de.intevation.artifacts.CallContext; |
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10 |
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11 import de.intevation.flys.artifacts.model.WSPLGENJob; |
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12 |
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13 |
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14 /** |
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15 * A Callable that is used to start and observe an external Process for WSPLGEN. |
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16 * |
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17 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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18 */ |
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19 public class WSPLGENCallable implements Callable { |
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20 |
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21 public static final String WSPLGEN_PARAMETER_FILE = |
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22 "wsplgen.par"; |
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23 |
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24 public static final String WSPLGEN_BIN_PATH = |
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25 System.getProperty("wsplgen.bin.path"); |
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26 |
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27 |
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28 private Logger logger = Logger.getLogger(WSPLGENCallable.class); |
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29 |
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30 private Process process; |
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31 |
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32 protected Scheduler scheduler; |
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33 |
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34 protected WSPLGENJob job; |
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35 |
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36 protected JobObserver logObserver; |
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37 protected ProblemObserver errorObserver; |
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38 |
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39 |
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40 public WSPLGENCallable(Scheduler scheduler, WSPLGENJob job) { |
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41 this.scheduler = scheduler; |
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42 this.job = job; |
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43 this.logObserver = new JobObserver(job); |
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44 this.errorObserver = new ProblemObserver(job); |
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45 } |
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46 |
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47 |
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48 @Override |
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49 public WSPLGENJob call() { |
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50 File dir = job.getWorkingDir(); |
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51 File parameter = new File(dir, WSPLGEN_PARAMETER_FILE); |
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52 |
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53 String[] args = new String[] { |
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54 WSPLGEN_BIN_PATH, |
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55 "-PAR=\"" + parameter.getAbsolutePath() + "\"" |
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56 }; |
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57 |
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58 execute(args, dir); |
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59 |
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60 return job; |
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61 } |
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62 |
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63 |
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64 protected void execute(String[] args, File dir) { |
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65 logger.info("Start JobExecutor for artifact: " + dir.getName()); |
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66 |
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67 String errorMsg = null; |
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68 |
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69 try { |
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70 synchronized (this) { |
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71 process = Runtime.getRuntime().exec(args, null, dir); |
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72 |
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73 logObserver.setInputStream(process.getInputStream()); |
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74 errorObserver.setInputStream(process.getErrorStream()); |
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75 |
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76 logObserver.start(); |
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77 errorObserver.start(); |
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78 |
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79 try { |
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80 process.waitFor(); |
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81 } |
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82 catch (InterruptedException ie) { |
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83 logger.warn("WSPLGEN job interrupted: " + ie.getMessage()); |
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84 } |
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85 |
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86 try { |
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87 logObserver.join(); |
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88 errorObserver.join(); |
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89 } |
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90 catch (InterruptedException iee) { /* do nothing */ } |
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91 |
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92 logger.info("WSPLGEN exit value: " + process.exitValue()); |
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93 logger.info( |
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94 "WSPLGEN throw " + |
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95 errorObserver.numErrors() + " errors."); |
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96 logger.info( |
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97 "WSPLGEN throw " + |
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98 errorObserver.numWarnings() + " warnings."); |
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99 |
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100 if (process.exitValue() < 2 && errorObserver.numErrors() == 0) { |
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101 FacetCreator fc = job.getFacetCreator(); |
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102 fc.createWSPLGENFacet(); |
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103 fc.finish(); |
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104 } |
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105 |
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106 job.getCallContext().afterBackground(CallContext.STORE); |
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107 |
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108 scheduler.removeJob(getJob().getArtifact().identifier()); |
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109 |
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110 return; |
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111 } |
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112 } |
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113 catch (SecurityException se) { |
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114 logger.error(se); |
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115 } |
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116 catch (IOException ioe) { |
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117 logger.error(ioe); |
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118 } |
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119 catch (NullPointerException npe) { |
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120 logger.error(npe, npe); |
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121 } |
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122 catch (IndexOutOfBoundsException ioobe) { |
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123 logger.error(ioobe, ioobe); |
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124 } |
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125 } |
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126 |
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127 |
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128 public void cancelWSPLGEN() { |
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129 if (process != null) { |
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130 logger.debug("Cancel running WSPLGEN process."); |
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131 process.destroy(); |
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132 } |
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133 } |
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134 |
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135 |
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136 public WSPLGENJob getJob() { |
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137 return job; |
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138 } |
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139 } |
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140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |