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package eu.dnetlib.msro.workflows.hadoop.hbase;
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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 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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private String existOutNode;
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private String dontExistOutNode;
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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("checking table existance: '" + tableName + "' on cluster: '" + cluster + "'");
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final HadoopService hadoopService = getServiceLocator().getService(HadoopService.class);
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boolean exists = hadoopService.existHbaseTable(cluster, tableName);
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log.info("table '" + tableName + "' exists: " + exists);
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if (exists) {
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final String tableDesc = hadoopService.describeHBaseTableConfiguration(cluster, tableName);
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token.getEnv().setAttribute(getTableConfigurationParamName(), tableDesc);
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}
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return exists ? getExistOutNode() : getDontExistOutNode();
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}
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public String getExistOutNode() {
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return existOutNode;
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}
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public void setExistOutNode(final String existOutNode) {
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this.existOutNode = existOutNode;
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}
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public String getDontExistOutNode() {
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return dontExistOutNode;
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}
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public void setDontExistOutNode(final String dontExistOutNode) {
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this.dontExistOutNode = dontExistOutNode;
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}
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}
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