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package eu.dnetlib.data.hadoop;
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import eu.dnetlib.data.hadoop.config.ConfigurationEnumerator;
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import eu.dnetlib.data.hadoop.rmi.HadoopServiceException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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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 abstract class AbstractHadoopClient {
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private static final Log log = LogFactory.getLog(AbstractHadoopClient.class);
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@Autowired
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private ISClient isClient;
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@Autowired
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protected ConfigurationEnumerator configurationEnumerator;
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protected void setHadoopUser() throws HadoopServiceException {
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setHadoopUser(getDefaultUser());
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}
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private String getDefaultUser() throws HadoopServiceException {
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try {
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return isClient.queryForServiceProperty("default.hadoop.user");
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} catch (ISLookUpException e) {
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throw new HadoopServiceException(e);
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}
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}
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protected void setHadoopUser(final String userName) {
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log.info("setting HADOOP_USER_NAME as " + userName);
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System.setProperty("HADOOP_USER_NAME", userName);
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}
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}
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