Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/wsplgen/WSPLGENCallable.java @ 4220:a30647abf009
Added config and states for sediment load calculation in MINFO module.
The config describes the transitions and states for parameter input in sediment
load calculation.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Tue, 23 Oct 2012 09:53:02 +0200 |
parents | 453d2d0c4258 |
children | b87073a05f9d |
rev | line source |
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1970
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Improved the Scheduler to be able to cancel running WSPLGEN jobs.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.wsplgen; |
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2 |
3302
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3 import java.io.File; |
1970
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4 import java.io.IOException; |
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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 import de.intevation.flys.artifacts.model.map.WSPLGENJob; |
1970
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11 |
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12 |
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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 String errorMsg = null; |
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67 |
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68 try { |
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69 synchronized (this) { |
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70 process = Runtime.getRuntime().exec(args, null, dir); |
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71 |
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72 logObserver.setInputStream(process.getInputStream()); |
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73 errorObserver.setInputStream(process.getErrorStream()); |
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74 |
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75 logObserver.start(); |
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76 errorObserver.start(); |
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77 |
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78 try { |
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79 process.waitFor(); |
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80 } |
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81 catch (InterruptedException ie) { |
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82 logger.warn("WSPLGEN job interrupted: " + ie.getMessage()); |
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83 } |
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84 |
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85 try { |
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86 logObserver.join(); |
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87 errorObserver.join(); |
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88 } |
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89 catch (InterruptedException iee) { /* do nothing */ } |
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90 |
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91 logger.info("WSPLGEN exit value: " + process.exitValue()); |
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92 logger.info( |
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93 "WSPLGEN throw " + |
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94 errorObserver.numErrors() + " errors."); |
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95 logger.info( |
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96 "WSPLGEN throw " + |
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97 errorObserver.numWarnings() + " warnings."); |
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98 |
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99 if (process.exitValue() < 2 && errorObserver.numErrors() == 0) { |
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100 FacetCreator fc = job.getFacetCreator(); |
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101 fc.createWSPLGENFacet(); |
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102 fc.finish(); |
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103 } |
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104 |
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105 job.getCallContext().afterBackground(CallContext.STORE); |
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106 |
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107 scheduler.removeJob(getJob().getArtifact().identifier()); |
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108 |
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109 return; |
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110 } |
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111 } |
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112 catch (SecurityException se) { |
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113 logger.error(se); |
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114 } |
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115 catch (IOException ioe) { |
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116 logger.error(ioe); |
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117 } |
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118 catch (NullPointerException npe) { |
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119 logger.error(npe, npe); |
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120 } |
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121 catch (IndexOutOfBoundsException ioobe) { |
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122 logger.error(ioobe, ioobe); |
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123 } |
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124 } |
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125 |
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126 |
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127 public void cancelWSPLGEN() { |
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128 if (process != null) { |
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129 logger.debug("Cancel running WSPLGEN process."); |
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130 process.destroy(); |
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131 } |
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132 } |
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133 |
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134 |
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135 public WSPLGENJob getJob() { |
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136 return job; |
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137 } |
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138 } |
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139 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |