How to use

org.apache.hadoop.hdfs.server.datanode.UnexpectedReplicaStateException

constructor

throw new UnexpectedReplicaStateException(b,state);

throw new UnexpectedReplicaStateException(b,state);

throw new UnexpectedReplicaStateException(b,state);

/**
 * Check if a block is valid.
 *
 * @param b           The block to check.
 * @param minLength   The minimum length that the block must have.  May be 0.
 * @param state       If this is null, it is ignored.  If it is non-null, we
 *                        will check that the replica has this state.
 *
 * @throws ReplicaNotFoundException          If the replica is not found
 *
 * @throws UnexpectedReplicaStateException   If the replica is not in the 
 *                                             expected state.
 */
@Override // {@link FsDatasetSpi}
public void checkBlock(ExtendedBlock b, long minLength, ReplicaState state)
  throws ReplicaNotFoundException, UnexpectedReplicaStateException {
 final BInfo binfo = getBInfo(b);
 if (binfo == null) {
  throw new ReplicaNotFoundException(b);
 }
 if ((state == ReplicaState.FINALIZED && !binfo.isFinalized()) ||
   (state != ReplicaState.FINALIZED && binfo.isFinalized())) {
  throw new UnexpectedReplicaStateException(b,state);
 }
}

/**
 * Check if a block is valid.
 *
 * @param b           The block to check.
 * @param minLength   The minimum length that the block must have.  May be 0.
 * @param state       If this is null, it is ignored.  If it is non-null, we
 *                        will check that the replica has this state.
 *
 * @throws ReplicaNotFoundException          If the replica is not found
 *
 * @throws UnexpectedReplicaStateException   If the replica is not in the 
 *                                             expected state.
 */
@Override // {@link FsDatasetSpi}
public void checkBlock(ExtendedBlock b, long minLength, ReplicaState state)
  throws ReplicaNotFoundException, UnexpectedReplicaStateException {
 final BInfo binfo = getBInfo(b);
 
 if (binfo == null) {
  throw new ReplicaNotFoundException(b);
 }
 if ((state == ReplicaState.FINALIZED && !binfo.isFinalized()) ||
   (state != ReplicaState.FINALIZED && binfo.isFinalized())) {
  throw new UnexpectedReplicaStateException(b,state);
 }
}