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## org.biojava.bio.seq.db.flat
Class FlatSequenceDB

    java.lang.Object
      org.biojava.utils.Unchangeable
          org.biojava.bio.seq.db.flat.FlatSequenceDB

All Implemented Interfaces:
  SequenceDBLite, Changeable

    public class FlatSequenceDB

extends Unchangeable
implements SequenceDBLite

`FlatSequenceDB` is an OBDA flatfile sequence databank implementation. It is backed by an index created using the `org.biojava.bio.program.indexdb` package.

Author:
  Keith James

Field Summary

Fields inherited from interface org.biojava.bio.seq.db.SequenceDBLite
`SEQUENCES`

Constructor Summary
`FlatSequenceDB(String location, String dbName)`

Method Summary
`void` | `addSequence(Sequence sequence)` `addSequence` always throws a `ChangeVetoException` as this implementation is immutable.
`String` | `getName()` Get the name of this sequence database.
`Sequence` | `getSequence(String id)` Retrieve a single sequence by its id.
`void` | `removeSequence(String id)` `removeSequence` always throws a `ChangeVetoException` as this implementation is immutable.

Methods inherited from class org.biojava.utils.Unchangeable
`addChangeListener, addChangeListener, addForwarder, getForwarders, getListeners, isUnchanging, removeChangeListener, removeChangeListener, removeForwarder`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.biojava.utils.Changeable
`addChangeListener, addChangeListener, isUnchanging, removeChangeListener, removeChangeListener`

Constructor Detail

### FlatSequenceDB

    public FlatSequenceDB(String location,
                          String dbName)
                   throws IOException,
                          BioException

Throws:
  `IOException`
  `BioException`

Method Detail

### getName

    public String getName()

  Description copied from interface: `SequenceDBLite`
  Get the name of this sequence database.

  Specified by:
    `getName` in interface `SequenceDBLite`
  Returns:
    the name of the sequence database, which may be null.

### getSequence

    public Sequence getSequence(String id)
                         throws IllegalIDException,
                                BioException

  Description copied from interface: `SequenceDBLite`
  Retrieve a single sequence by its id.

  Specified by:
    `getSequence` in interface `SequenceDBLite`
  Parameters:
    `id` - the id to retrieve by
  Returns:
    the Sequence with that id
  Throws:
    `IllegalIDException` - if the database doesn't know about the id
    `BioException` - if there was a failure in retrieving the sequence

### addSequence

    public void addSequence(Sequence sequence)
                     throws ChangeVetoException

  `addSequence` always throws a `ChangeVetoException` as this implementation is immutable.

  Specified by:
    `addSequence` in interface `SequenceDBLite`
  Parameters:
    `sequence` - a `Sequence`.
  Throws:
    `ChangeVetoException`

### removeSequence

    public void removeSequence(String id)
                        throws ChangeVetoException

  `removeSequence` always throws a `ChangeVetoException` as this implementation is immutable.

  Specified by:
    `removeSequence` in interface `SequenceDBLite`
  Parameters:
    `id` - a `String`.
  Throws:
    `ChangeVetoException`

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