Package org.apache.flink.runtime.util

Class HadoopUtils

java.lang.Object
org.apache.flink.runtime.util.HadoopUtils
public class HadoopUtils extends Object
Utility class for working with Hadoop-related classes. This should only be used if Hadoop is on the classpath.

  • Constructor Details

    • HadoopUtils

      public HadoopUtils()

  • Method Details

    • getHadoopConfiguration

      public static org.apache.hadoop.conf.Configuration getHadoopConfiguration(org.apache.flink.configuration.Configuration flinkConfiguration)

    • isKerberosSecurityEnabled

      public static boolean isKerberosSecurityEnabled(org.apache.hadoop.security.UserGroupInformation ugi)

    • areKerberosCredentialsValid

      public static boolean areKerberosCredentialsValid(org.apache.hadoop.security.UserGroupInformation ugi, boolean useTicketCache)

    • hasHDFSDelegationToken

      public static boolean hasHDFSDelegationToken(org.apache.hadoop.security.UserGroupInformation ugi)
      Indicates whether the user has an HDFS delegation token.

    • isMinHadoopVersion

      public static boolean isMinHadoopVersion(int major, int minor) throws org.apache.flink.util.FlinkRuntimeException
      Checks if the Hadoop dependency is at least the given version.
      Throws:
      org.apache.flink.util.FlinkRuntimeException

    • isMaxHadoopVersion

      public static boolean isMaxHadoopVersion(int major, int minor) throws org.apache.flink.util.FlinkRuntimeException
      Checks if the Hadoop dependency is at most the given version.
      Throws:
      org.apache.flink.util.FlinkRuntimeException