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package eu.dnetlib.msro.openaireplus.workflows.nodes.claims;
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import java.util.List;
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import com.googlecode.sarasvati.Arc;
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import com.googlecode.sarasvati.NodeToken;
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import eu.dnetlib.data.hadoop.rmi.HadoopService;
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import eu.dnetlib.data.proto.KindProtos.Kind;
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import eu.dnetlib.data.proto.OafProtos.Oaf;
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import eu.dnetlib.data.proto.OafProtos.OafEntity;
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import eu.dnetlib.data.proto.ResultProtos.Result;
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import eu.dnetlib.data.proto.ResultProtos.Result.Context;
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import eu.dnetlib.data.proto.TypeProtos.Type;
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import eu.dnetlib.msro.rmi.MSROException;
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import org.apache.commons.codec.binary.Base64;
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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.apache.hadoop.util.StringUtils;
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/**
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* Created by alessia on 23/10/15.
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*/
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public class ApplyClaimUpdatesJobNode extends AbstractClaimsToHBASE {
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private static final Log log = LogFactory.getLog(ApplyClaimUpdatesJobNode.class);
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@Override
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protected String execute(NodeToken token) throws Exception {
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//TODO: use claim.claim_date from the claim db
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long timestamp = System.currentTimeMillis();
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List<Claim> claimUpdates = this.getClaimDatabaseUtils().query(getSql());
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int totalClaims = 0;
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int totalWrites = 0;
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int discardedClaims = 0;
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HadoopService hadoopService = getServiceLocator().getService(HadoopService.class);
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for (Claim claim : claimUpdates) {
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try{
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log.debug(claim);
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totalClaims++;
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String contextId = claim.getSource();
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String rowKey = getFullId(getOpenAIREType(claim.getTargetType()), claim.getTarget());
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String value = getValue(contextId, rowKey, claim.getSemantics(), timestamp);
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hadoopService.addHBaseColumn(getClusterName(), getTableName(), rowKey, "result", "update_" + System.nanoTime(), value);
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totalWrites++;
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incrementProcessed();
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} catch (IllegalArgumentException e) {
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log.error("Discarding claim " + claim + ". Cause: " + e.getMessage());
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discardedClaims++;
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}
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}
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log.info("Total Claim Updates: " + totalClaims);
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token.getEnv().setAttribute("claimUpdatesSize", totalClaims);
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log.info("Claim updates writeOps: " + totalWrites);
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token.getEnv().setAttribute("claimUpdatesWriteOps", totalWrites);
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log.info("Discarded Claim Updates: " + discardedClaims);
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token.getEnv().setAttribute("discardedClaimUpdates", discardedClaims);
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return Arc.DEFAULT_ARC;
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}
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protected String getValue(final String sourceId, final String semantics, final String targetId, final long timestamp) throws MSROException {
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log.debug(StringUtils.format("%s -- %s -- %s", sourceId, semantics, targetId));
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Result.Builder resultBuilder = Result.newBuilder().setMetadata(Result.Metadata.newBuilder().addContext(getContext(sourceId)));
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OafEntity.Builder entityBuilder = OafEntity.newBuilder().setId(targetId).setType(Type.result).setResult(resultBuilder);
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Oaf.Builder builder = Oaf.newBuilder().setKind(Kind.entity).setLastupdatetimestamp(timestamp).setEntity(entityBuilder);
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return Base64.encodeBase64String(builder.build().toByteArray());
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}
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private Context getContext(final String sourceId) {
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return Context.newBuilder().setDataInfo(getDataInfo()).setId(sourceId).build();
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}
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}
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