<workflow-app name="OpenCitations Integration" xmlns="uri:oozie:workflow:0.5">

    <global>
        <job-tracker>${jobTracker}</job-tracker>
        <name-node>${nameNode}</name-node>
        <configuration>
            <property>
                <name>mapreduce.job.queuename</name>
                <value>${queueName}</value>
            </property>
            <property>
                <name>oozie.launcher.mapred.job.queue.name</name>
                <value>${oozieLauncherQueueName}</value>
            </property>
            <property>
                <name>oozie.action.sharelib.for.spark</name>
                <value>${oozieActionShareLibForSpark2}</value>
            </property>

        </configuration>
    </global>

    <start to="resume_from"/>

    <decision name="resume_from">
        <switch>
            <case to="download">${wf:conf('resumeFrom') eq 'DownloadDump'}</case>
            <case to="extract">${wf:conf('resumeFrom') eq 'ExtractContent'}</case>
            <default to="create_actionset"/> <!-- first action to be done when downloadDump is to be performed -->
        </switch>
    </decision>

    <kill name="Kill">
        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
    </kill>
    <action name="download">
        <shell xmlns="uri:oozie:shell-action:0.2">
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <configuration>
                <property>
                    <name>mapred.job.queue.name</name>
                    <value>${queueName}</value>
                </property>
            </configuration>
            <exec>download.sh</exec>
            <argument>${filelist}</argument>
            <argument>${workingPath}/Original</argument>
            <env-var>HADOOP_USER_NAME=${wf:user()}</env-var>
            <file>download.sh</file>
            <capture-output/>
        </shell>
        <ok to="extract"/>
        <error to="Kill"/>
    </action>
    <action name="extract">
        <java>
            <main-class>eu.dnetlib.dhp.actionmanager.opencitations.GetOpenCitationsRefs</main-class>
            <arg>--hdfsNameNode</arg><arg>${nameNode}</arg>
            <arg>--inputFile</arg><arg>${inputFile}</arg>
            <arg>--workingPath</arg><arg>${workingPath}</arg>
        </java>
        <ok to="create_actionset"/>
        <error to="Kill"/>
    </action>

    <action name="create_actionset">
        <spark xmlns="uri:oozie:spark-action:0.2">
            <master>yarn</master>
            <mode>cluster</mode>
            <name>Produces the AS for OC</name>
            <class>eu.dnetlib.dhp.actionmanager.opencitations.CreateActionSetSparkJob</class>
            <jar>dhp-aggregation-${projectVersion}.jar</jar>
            <spark-opts>
                --executor-memory=${sparkExecutorMemory}
                --executor-cores=${sparkExecutorCores}
                --driver-memory=${sparkDriverMemory}
                --conf spark.extraListeners=${spark2ExtraListeners}
                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
                --conf spark.sql.warehouse.dir=${sparkSqlWarehouseDir}
            </spark-opts>
            <arg>--inputPath</arg><arg>${workingPath}/COCI</arg>
            <arg>--outputPath</arg><arg>${outputPath}</arg>
        </spark>
        <ok to="End"/>
        <error to="Kill"/>
    </action>
    <end name="End"/>
</workflow-app>