dnet-hadoop/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/collection/mag/oozie_app/workflow.xml

<workflow-app name="generate_MAG_Datasource" xmlns="uri:oozie:workflow:0.5">
    <parameters>
        <property>
            <name>magBasePath</name>
            <description>The base path of MAG DUMP CSV Tables</description>
        </property>
        <property>
            <name>mdStoreOutputId</name>
            <description>the identifier of the cleaned MDStore</description>
        </property>
        <property>
            <name>mdStoreManagerURI</name>
            <description>the path of the cleaned mdstore</description>
        </property>
        <property>
            <name>resume_from</name>
            <value>generateOAF</value>
            <description>start Node</description>
        </property>
    </parameters>

    <start to="resume_from"/>

    <kill name="Kill">
        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
    </kill>


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


    <action name="generateTable">
        <spark xmlns="uri:oozie:spark-action:0.2">
            <master>yarn</master>
            <mode>cluster</mode>
            <name>Generate MAG Table</name>
            <class>eu.dnetlib.dhp.collection.mag.SparkCreateMagDenormalizedTable</class>
            <jar>dhp-aggregation-${projectVersion}.jar</jar>
            <spark-opts>
                --executor-memory=${sparkExecutorMemory}
                --executor-cores=${sparkExecutorCores}
                --driver-memory=${sparkDriverMemory}
                --conf spark.executor.memoryOverhead=2g
                --conf spark.sql.shuffle.partitions=3000
                --conf spark.extraListeners=${spark2ExtraListeners}
                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
            </spark-opts>
            <arg>--magBasePath</arg><arg>${magBasePath}</arg>
            <arg>--master</arg><arg>yarn</arg>
        </spark>
        <ok to="StartTransaction"/>
        <error to="Kill"/>
    </action>
    <action name="StartTransaction">
        <java>
            <configuration>
                <property>
                    <name>oozie.launcher.mapreduce.user.classpath.first</name>
                    <value>true</value>
                </property>
            </configuration>
            <main-class>eu.dnetlib.dhp.aggregation.mdstore.MDStoreActionNode</main-class>
            <arg>--action</arg><arg>NEW_VERSION</arg>
            <arg>--mdStoreID</arg><arg>${mdStoreOutputId}</arg>
            <arg>--mdStoreManagerURI</arg><arg>${mdStoreManagerURI}</arg>
            <capture-output/>
        </java>
        <ok to="generateOAF"/>
        <error to="EndReadRollBack"/>
    </action>

    <action name="generateOAF">
        <spark xmlns="uri:oozie:spark-action:0.2">
            <master>yarn</master>
            <mode>cluster</mode>
            <name>MAG TO OAF</name>
            <class>eu.dnetlib.dhp.collection.mag.SparkMAGtoOAF</class>
            <jar>dhp-aggregation-${projectVersion}.jar</jar>
            <spark-opts>
                --executor-memory=${sparkExecutorMemory}
                --executor-cores=${sparkExecutorCores}
                --driver-memory=${sparkDriverMemory}
                --conf spark.executor.memoryOverhead=2g
                --conf spark.sql.shuffle.partitions=3000
                --conf spark.extraListeners=${spark2ExtraListeners}
                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
            </spark-opts>
            <arg>--mdstoreOutputVersion</arg><arg>${wf:actionData('StartTransaction')['mdStoreVersion']}</arg>
            <arg>--magBasePath</arg><arg>${magBasePath}</arg>
            <arg>--master</arg><arg>yarn</arg>
        </spark>
        <ok to="CommitVersion"/>
        <error to="RollBack"/>
    </action>

    <action name="CommitVersion">
        <java>
            <configuration>
                <property>
                    <name>oozie.launcher.mapreduce.user.classpath.first</name>
                    <value>true</value>
                </property>
            </configuration>
            <main-class>eu.dnetlib.dhp.aggregation.mdstore.MDStoreActionNode</main-class>
            <arg>--action</arg><arg>COMMIT</arg>
            <arg>--namenode</arg><arg>${nameNode}</arg>
            <arg>--mdStoreVersion</arg><arg>${wf:actionData('StartTransaction')['mdStoreVersion']}</arg>
            <arg>--mdStoreManagerURI</arg><arg>${mdStoreManagerURI}</arg>
        </java>
        <ok to="End"/>
        <error to="Kill"/>
    </action>

    <action name="EndReadRollBack">
        <java>
            <configuration>
                <property>
                    <name>oozie.launcher.mapreduce.user.classpath.first</name>
                    <value>true</value>
                </property>
            </configuration>
            <main-class>eu.dnetlib.dhp.aggregation.mdstore.MDStoreActionNode</main-class>
            <arg>--action</arg><arg>READ_UNLOCK</arg>
            <arg>--mdStoreManagerURI</arg><arg>${mdStoreManagerURI}</arg>
            <arg>--readMDStoreId</arg><arg>${wf:actionData('BeginRead')['mdStoreReadLockVersion']}</arg>
            <capture-output/>
        </java>
        <ok to="RollBack"/>
        <error to="Kill"/>
    </action>

    <action name="RollBack">
        <java>
            <configuration>
                <property>
                    <name>oozie.launcher.mapreduce.user.classpath.first</name>
                    <value>true</value>
                </property>
            </configuration>
            <main-class>eu.dnetlib.dhp.aggregation.mdstore.MDStoreActionNode</main-class>
            <arg>--action</arg><arg>ROLLBACK</arg>
            <arg>--mdStoreVersion</arg><arg>${wf:actionData('StartTransaction')['mdStoreVersion']}</arg>
            <arg>--mdStoreManagerURI</arg><arg>${mdStoreManagerURI}</arg>
        </java>
        <ok to="Kill"/>
        <error to="Kill"/>
    </action>


    <end name="End"/>
</workflow-app>