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## org.biojava.bio.symbol
Class SimpleManyToOneTranslationTable

    java.lang.Object
      org.biojava.bio.symbol.AbstractManyToOneTranslationTable
          org.biojava.bio.symbol.SimpleManyToOneTranslationTable

All Implemented Interfaces:
  Serializable, ManyToOneTranslationTable, TranslationTable

Direct Known Subclasses:
  SimpleGeneticCodeTable

    public class SimpleManyToOneTranslationTable

extends AbstractManyToOneTranslationTable
implements Serializable

A no-frills implementation of a translation table that maps between two alphabets. The mapping can be either one-to-one or many-to-one.

Author:
  David Huen
See Also:
  Serialized Form

Field Summary

Fields inherited from interface org.biojava.bio.symbol.TranslationTable
`ALT_YEAST_NUC, ASCID_MITO, BACTERIAL, BLEPH_MNUC, CHLORO_MITO, CILIATE_NUC, ECHIN_MITO, EUPL_NUC, FWORM_MITO, INVERT_MITO, MOLD_MITO, SCENE_MITO, TREMA_MITO, UNIVERSAL, VERT_MITO, YEAST_MITO`

Constructor Summary
`SimpleManyToOneTranslationTable(FiniteAlphabet source, FiniteAlphabet target)` Construct a new translation table.

Method Summary
`protected Symbol` | `doTranslate(Symbol sym)` this method is expected to translate any symbol in the source alphabet.
`protected Set` | `doUntranslate(Symbol sym)` this method is expected to reverse-translate any symbol in the source alphabet.
`Alphabet` | `getSourceAlphabet()` The alphabet of Symbols that can be translated.
`Alphabet` | `getTargetAlphabet()` The alphabet of Symbols that will be produced.
`void` | `setTranslation(AtomicSymbol from, AtomicSymbol to)` Alter the translation mapping.
`Symbol` | `translate(Symbol sym)` Translate a single symbol from source alphabet to the target alphabet.

Methods inherited from class org.biojava.bio.symbol.AbstractManyToOneTranslationTable
`untranslate`

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.symbol.TranslationTable
`translate`

Constructor Detail

### SimpleManyToOneTranslationTable

    public SimpleManyToOneTranslationTable(FiniteAlphabet source,
                                           FiniteAlphabet target)

  Construct a new translation table.

  Parameters:
    `source` - the source FiniteAlphabet
    `target` - the target FiniteAlphabet

Method Detail

### getSourceAlphabet

    public Alphabet getSourceAlphabet()

  Description copied from interface: `TranslationTable`
  The alphabet of Symbols that can be translated.

  Specified by:
    `getSourceAlphabet` in interface `TranslationTable`
  Specified by:
    `getSourceAlphabet` in class `AbstractManyToOneTranslationTable`
  Returns:
    the source Alphabet

### getTargetAlphabet

    public Alphabet getTargetAlphabet()

  Description copied from interface: `TranslationTable`
  The alphabet of Symbols that will be produced.

  Specified by:
    `getTargetAlphabet` in interface `TranslationTable`
  Specified by:
    `getTargetAlphabet` in class `AbstractManyToOneTranslationTable`
  Returns:
    the target Alphabet

### doTranslate

    protected Symbol doTranslate(Symbol sym)

  this method is expected to translate any symbol in the source alphabet. Failure can be indicated by returning a null if, for example, your method only handles AtomicSymbols and you want BasisSymbols to be taken apart. If you are sure the symbol is illegal, you can throw the IllegalSymbolException immediately to bypass further processing.

  As an optimisation, if your method is capable of immediately translating an ambiguity Symbol, just return it and the alternate route of establishing the translation through doing an ambiguity lookup will be avoided.

### doUntranslate

    protected Set doUntranslate(Symbol sym)

  Description copied from class: `AbstractManyToOneTranslationTable`
  this method is expected to reverse-translate any symbol in the source alphabet. Failure can be indicated by returning a null if, for example, your method only handles AtomicSymbols and you want BasisSymbols to be taken apart. If you are sure the symbol is illegal, you can throw the IllegalSymbolException immediately to bypass further processing.

  As an optimisation, if your method is capable of immediately translating an ambiguity Symbol, just return it and the alternate route of establishing the translation through doing an ambiguity lookup will be avoided.

  Specified by:
    `doUntranslate` in class `AbstractManyToOneTranslationTable`

### setTranslation

    public void setTranslation(AtomicSymbol from,
                               AtomicSymbol to)
                        throws IllegalSymbolException

  Alter the translation mapping.

  Parameters:
    `from` - source AtomicSymbol
    `to` - target AtomicSymbol to be returned by translate(from)
  Throws:
    `IllegalSymbolException` - if either from is not in the source alphabet or to is not in the target alphabet

### translate

    public Symbol translate(Symbol sym)
                     throws IllegalSymbolException

  Description copied from interface: `TranslationTable`
  Translate a single symbol from source alphabet to the target alphabet.

  Specified by:
    `translate` in interface `TranslationTable`
  Parameters:
    `sym` - the Symbol to translate (member of source alphabet)
  Returns:
    the translated version of sym (member of target alphabet)
  Throws:
    `IllegalSymbolException` - if sym is not a member of the source alphabet

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