fe/src/main/java/org/apache/impala/catalog/local/FailedLoadLocalTable.java

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//
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package org.apache.impala.catalog.local;

import java.util.Set;

import org.apache.impala.catalog.FeIncompleteTable;
import org.apache.impala.catalog.TableLoadingException;
import org.apache.impala.common.ImpalaException;
import org.apache.impala.thrift.TTableDescriptor;

import com.google.common.base.Preconditions;

/**
 * FeTable implementation which represents a table that failed to load in the
 * LocalCatalog catalog implementation. This is used so that statements like
 * DROP TABLE can get a handle to a table object even when that table is in some
 * unloadable state.
 */
public class FailedLoadLocalTable extends LocalTable implements FeIncompleteTable {
  private final TableLoadingException cause_;

  public FailedLoadLocalTable(LocalDb db, String tblName, TableLoadingException cause) {
    super(db, tblName);
    this.cause_ = Preconditions.checkNotNull(cause);
  }

  @Override
  public ImpalaException getCause() { return cause_; }

  @Override
  public TTableDescriptor toThriftDescriptor(int tableId,
      Set<Long> referencedPartitions) {
    throw new RuntimeException("Not serializable as descriptor");
  }
}