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package eu.dnetlib.data.actionmanager.blackboard;
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import java.util.Date;
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import com.google.common.collect.Iterables;
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import eu.dnetlib.data.actionmanager.is.ISClient;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardServerAction;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardServerHandler;
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import eu.dnetlib.rmi.data.hadoop.ClusterName;
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import eu.dnetlib.rmi.data.hadoop.HadoopService;
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import eu.dnetlib.rmi.data.hadoop.actionmanager.ActionManagerSet;
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import eu.dnetlib.rmi.data.hadoop.actionmanager.RawSet;
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import eu.dnetlib.rmi.enabling.ISRegistryService;
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import org.apache.commons.lang3.time.DateUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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public class GarbageActionManagerActionFromHDFS extends AbstractActionManagerAction implements BlackboardServerAction<ActionManagerActions> {
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private static final Log log = LogFactory.getLog(GarbageActionManagerActionFromHDFS.class);
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private final static String UPDATE_ACTION_PROFILE = "for $x in "
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+ "/RESOURCE_PROFILE[.//RESOURCE_TYPE/@value = 'ActionManagerSetDSResourceType' and .//SET/@id = '%s'] "
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+ "return update delete $x//RAW_SETS/EXPIRED[@id = '%s']";
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@Autowired
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private UniqueServiceLocator serviceLocator;
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@Autowired
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private ISClient isClient;
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@Override
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public void execute(final BlackboardServerHandler handler, final BlackboardJob job) {
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try {
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final String basePath = isClient.getBasePathHDFS();
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final Integer garbageRetain = Integer.valueOf(isClient.getGarbageRetainThreshold());
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final Long dateLimit = new Date().getTime() - Long.valueOf(isClient.getGarbageTimeMargin());
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final HadoopService hadoopService = serviceLocator.getService(HadoopService.class);
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final ISRegistryService isRegistry = serviceLocator.getService(ISRegistryService.class);
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for (ActionManagerSet set : isClient.listValidSets()) {
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for (RawSet expired : Iterables.limit(set.getExpired(), garbageRetain)) {
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final Date d = DateUtils.parseDate(expired.getLastUpdate(), ActionManagerSet.DATE_PATTERNS);
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if (d.getTime() < dateLimit) {
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log.info(String.format("removing raw action set %s/%s", set.getId(), expired.getId()));
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hadoopService.deleteHdfsPath(ClusterName.DM.toString(), basePath + "/" + set.getDirectory() + "/" + expired.getId());
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final String xUpdate = String.format(UPDATE_ACTION_PROFILE, set.getId(), expired.getId());
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log.info(String.format("updating ActionSet profile: %s", xUpdate));
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isRegistry.executeXUpdate(xUpdate);
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}
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}
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}
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handler.done(job);
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} catch (Throwable e) {
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handler.failed(job, e);
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}
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}
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}
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