fe/src/main/java/org/apache/impala/authorization/sentry/SentryAuthorizableServer.java

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//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.impala.authorization.sentry;

import com.google.common.collect.Lists;
import org.apache.impala.authorization.Authorizable;
import org.apache.sentry.core.model.db.DBModelAuthorizable;

import java.util.List;

/**
 * Class used to authorize access at the catalog level for Sentry. Generally, all
 * Impala services in the cluster will be configured with the same catalog name.
 * What Sentry refers to as a Server maps to our concept of a Catalog, thus
 * the name AuthorizableServer.
 */
public class SentryAuthorizableServer extends SentryAuthorizable {
  private final org.apache.sentry.core.model.db.Server server_;

  public SentryAuthorizableServer(String serverName) {
    server_ = new org.apache.sentry.core.model.db.Server(
        serverName == null ? "server" : serverName);
  }

  @Override
  public List<Authorizable> getAuthorizableHierarchy() {
    return Lists.newArrayList(this);
  }

  @Override
  public String getName() { return server_.getName(); }

  @Override
  public Type getType() { return Type.SERVER; }

  @Override
  public DBModelAuthorizable getDBModelAuthorizable() { return server_; }
}