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## org.biojava.bio.seq.db
Class AbstractSequenceDB

    java.lang.Object
      org.biojava.utils.AbstractChangeable
          org.biojava.bio.seq.db.AbstractSequenceDB

All Implemented Interfaces:
  SequenceDB, SequenceDBLite, Changeable

Direct Known Subclasses:
  AnnotatedSequenceDB, DistributedSequenceDB, DummySequenceDB, HashSequenceDB, IndexedSequenceDB, SequenceDBWrapper

    public abstract class AbstractSequenceDB

extends AbstractChangeable
implements SequenceDB

An abstract implementation of SequenceDB that provides the sequenceIterator method.

Author:
  Matthew Pocock, Thomas Down

Field Summary

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

Constructor Summary
`AbstractSequenceDB()`

Method Summary
`void` | `addSequence(Sequence seq)` Adds a sequence to the database.
`FeatureHolder` | `filter(FeatureFilter ff)` Query features attached to all sequences in this database.
`void` | `removeSequence(String id)` Remove the sequence associated with an ID from the database.
`SequenceIterator` | `sequenceIterator()` Returns a SequenceIterator over all sequences in the database.

Methods inherited from class org.biojava.utils.AbstractChangeable
`addChangeListener, addChangeListener, generateChangeSupport, getChangeSupport, hasListeners, hasListeners, isUnchanging, removeChangeListener, removeChangeListener`

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

Methods inherited from interface org.biojava.bio.seq.db.SequenceDB
`ids`

Methods inherited from interface org.biojava.bio.seq.db.SequenceDBLite
`getName, getSequence`

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

Constructor Detail

### AbstractSequenceDB

    public AbstractSequenceDB()

Method Detail

### sequenceIterator

    public SequenceIterator sequenceIterator()

  Description copied from interface: `SequenceDB`
  Returns a SequenceIterator over all sequences in the database. The order of retrieval is undefined.

  Specified by:
    `sequenceIterator` in interface `SequenceDB`
  Returns:
    a SequenceIterator over all sequences

### filter

    public FeatureHolder filter(FeatureFilter ff)

  Description copied from interface: `SequenceDB`
  Query features attached to all sequences in this database. This is equivalent to applying `filter` to all sequences then merging the results.

  Specified by:
    `filter` in interface `SequenceDB`
  Parameters:
    `ff` - a `FeatureFilter`.

### addSequence

    public void addSequence(Sequence seq)
                     throws BioException,
                            ChangeVetoException

  Description copied from interface: `SequenceDBLite`
  Adds a sequence to the database.

  Specified by:
    `addSequence` in interface `SequenceDBLite`
  Parameters:
    `seq` - the Sequence to add
  Throws:
    `IllegalIDException` - if a uniqe ID could not be generated for seq
    `BioException` - if something goes wrong with adding the sequence
    `ChangeVetoException` - if either the database does not allow sequences to be added or the modification was vetoed

### removeSequence

    public void removeSequence(String id)
                        throws BioException,
                               ChangeVetoException

  Description copied from interface: `SequenceDBLite`
  Remove the sequence associated with an ID from the database.

  Specified by:
    `removeSequence` in interface `SequenceDBLite`
  Parameters:
    `id` - the ID of the sequence to remove
  Throws:
    `IllegalIDException` - if there is no sequence for the ID
    `BioException` - if something failed while removing the sequence for that ID
    `ChangeVetoException` - if either the database does not allow sequences to be removed or the modification was vetoed

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