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package eu.dnetlib.msro.workflows.hadoop.hbase;
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import java.util.List;
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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 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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public class GetHBaseTableDescriptionJobNode extends AbstractHBaseAdminJobNode {
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private static final Log log = LogFactory.getLog(GetHBaseTableDescriptionJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM
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@Override
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protected String execute(final NodeToken token) throws Exception {
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final String tableName = tableName(token);
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final String cluster = cluster(token);
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log.info("getting table description: '" + tableName + "' on cluster: '" + cluster + "'");
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final List<String> columns = getServiceLocator().getService(HadoopService.class).describeHbaseTable(cluster, tableName);
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log.debug(String.format("table '%s': " + columns, tableName));
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token.getEnv().setAttribute(getTableColumnsParamName(), asCSV(columns));
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return Arc.DEFAULT_ARC;
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}
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}
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