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package eu.dnetlib.msro.workflows.nodes.hadoop;
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import eu.dnetlib.msro.workflows.procs.Env;
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import eu.dnetlib.rmi.data.hadoop.HadoopService;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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public class ExistHBaseTableJobNode extends AbstractHBaseAdminJobNode {
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private static final Log log = LogFactory.getLog(ExistHBaseTableJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM
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@Override
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protected String execute(final Env env) throws Exception {
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log.info("checking table existance: '" + getTableName() + "' on cluster: '" + getCluster() + "'");
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final HadoopService hadoopService = getServiceLocator().getService(HadoopService.class);
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boolean exists = hadoopService.existHbaseTable(getCluster(), getTableName());
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log.info("table '" + getTableName() + "' exists: " + exists);
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if (exists) {
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final String tableDesc = hadoopService.describeHBaseTableConfiguration(getCluster(), getTableName());
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env.setAttribute(getTableConfigurationParamName(), tableDesc);
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}
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return exists ? "drop" : "define";
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}
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}
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