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1
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<workflow-app xmlns="uri:oozie:workflow:0.3" name="java-cloner">
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2
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<start to="data_producer" />
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3
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<action name="data_producer">
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4
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<java>
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5
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<job-tracker>${jobTracker}</job-tracker>
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6
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<name-node>${nameNode}</name-node>
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7
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<!-- The data generated by this node is deleted in this section -->
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8
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<prepare>
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9
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<delete path="${nameNode}${workingDir}/data_producer" />
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10
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<mkdir path="${nameNode}${workingDir}/data_producer" />
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11
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</prepare>
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12
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<configuration>
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13
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<property>
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14
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<name>mapred.job.queue.name</name>
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15
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<value>${queueName}</value>
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16
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</property>
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17
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</configuration>
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18
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<!-- This is simple wrapper for the Java code -->
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19
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<main-class>eu.dnetlib.iis.core.java.ProcessWrapper</main-class>
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20
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<!-- The business Java code that gets to be executed -->
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21
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<arg>eu.dnetlib.iis.core.examples.protobuf.java.SampleDataProducer</arg>
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22
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<!-- All input and output ports have to be bound to paths in HDFS -->
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23
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<arg>-Operson=${workingDir}/data_producer/person</arg>
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24
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<arg>-Odocument=${workingDir}/data_producer/document</arg>
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25
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</java>
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26
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<ok to="cloner" />
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27
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<error to="fail" />
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28
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</action>
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29
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<action name="cloner">
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30
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<java>
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31
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<job-tracker>${jobTracker}</job-tracker>
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32
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<name-node>${nameNode}</name-node>
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33
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<!-- The data generated by this node is deleted in this section -->
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34
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<prepare>
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35
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<delete path="${nameNode}${workingDir}/cloner" />
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36
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<mkdir path="${nameNode}${workingDir}/cloner" />
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37
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</prepare>
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38
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<configuration>
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39
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<property>
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40
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<name>mapred.job.queue.name</name>
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41
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<value>${queueName}</value>
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42
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</property>
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43
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</configuration>
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44
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<!-- This is simple wrapper for the Java code -->
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45
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<main-class>eu.dnetlib.iis.core.java.ProcessWrapper</main-class>
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46
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<!-- The business Java code that gets to be executed -->
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47
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<arg>eu.dnetlib.iis.core.examples.protobuf.java.PersonCloner</arg>
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48
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<!-- All input and output ports have to be bound to paths in HDFS -->
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49
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<arg>-Iperson=${workingDir}/data_producer/person</arg>
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50
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<arg>-Operson=${workingDir}/cloner/person</arg>
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51
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<arg>-Pcopies=3</arg>
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52
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</java>
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53
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<ok to="end" />
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54
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<error to="fail" />
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55
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</action>
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56
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<kill name="fail">
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57
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<message>Unfortunately, the process failed -- error message:
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58
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[${wf:errorMessage(wf:lastErrorNode())}]</message>
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59
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</kill>
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60
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<end name="end" />
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61
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</workflow-app>
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