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

<workflow-app name="Transformation_Workflow" xmlns="uri:oozie:workflow:0.5">
    <parameters>
        <property>
            <name>mdStoreInputId</name>
            <description>the identifier of the native MDStore</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>transformationRuleId</name>
            <description>The transformation Rule to apply</description>
        </property>
        <property>
            <name>transformationPlugin</name>
            <value>XSLT_TRANSFORM</value>
            <description>The transformation Plugin</description>
        </property>
        <property>
            <name>dateOfTransformation</name>
            <description>The timestamp of the transformation date</description>
        </property>
        <property>
            <name>isLookupUrl</name>
            <description>The IS lookUp service endopoint</description>
        </property>
        <property>
            <name>workflowId</name>
            <description>The identifier of the workflow</description>
        </property>
        <property>
            <name>dnetMessageManagerURL</name>
            <description>The URI of the Dnet Message Manager</description>
        </property>
    </parameters>

    <start to="BeginRead"/>

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

    <action name="BeginRead">
        <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_LOCK</arg>
            <arg>--mdStoreID</arg><arg>${mdStoreInputId}</arg>
            <arg>--mdStoreManagerURI</arg><arg>${mdStoreManagerURI}</arg>
            <capture-output/>
        </java>
        <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="TransformJob"/>
        <error to="EndReadRollBack"/>
    </action>

    <action name="TransformJob">
        <spark xmlns="uri:oozie:spark-action:0.2">
            <master>yarn</master>
            <mode>cluster</mode>
            <name>Transform MetadataStore</name>
            <class>eu.dnetlib.dhp.transformation.TransformSparkJobNode</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}${spark2EventLogDir}
            </spark-opts>
            <arg>--mdstoreOutputVersion</arg><arg>${wf:actionData('StartTransaction')['mdStoreVersion']}</arg>
            <arg>--mdstoreInputVersion</arg><arg>${wf:actionData('BeginRead')['mdStoreReadLockVersion']}</arg>
            <arg>--dateOfTransformation</arg><arg>${dateOfTransformation}</arg>
            <arg>--transformationPlugin</arg><arg>${transformationPlugin}</arg>
            <arg>--transformationRuleId</arg><arg>${transformationRuleId}</arg>
            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
            <arg>--workflowId</arg><arg>${workflowId}</arg>
            <arg>--dnetMessageManagerURL</arg><arg>${dnetMessageManagerURL}</arg>
        </spark>
        <ok to="EndRead"/>
        <error to="EndReadRollBack"/>
    </action>

    <action name="EndRead">
        <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="CommitVersion"/>
        <error to="Kill"/>
    </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>