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## org.biojava.bio.program.tagvalue
Class ChangeTable

    java.lang.Object
      org.biojava.bio.program.tagvalue.ChangeTable

    public class ChangeTable

extends Object

A mapping between keys and actions to turn old values into new values.

Since:
  1.3
Author:
  Matthew Pocock

Nested Class Summary
`static class` | `ChangeTable.ChainedChanger` An implementation of Changer that applies a list of Changer instances to the value in turn.
`static interface` | `ChangeTable.Changer` Callback used to produce a new value from an old one.
`static interface` | `ChangeTable.Splitter` Callback used to produce a list of values from a single old one.

Field Summary
`static ChangeTable.Changer` | `STRING_TO_INT`

Constructor Summary
`ChangeTable()`

Method Summary
`Object` | `change(Object tag, Object value)`
`ChangeTable.Changer` | `getChanger(Object tag)` Get the Changer currently registered to handle a tag.
`ChangeTable.Splitter` | `getSplitter(Object tag)` Get the Splitter currently registered to handle a tag.
`void` | `setChanger(Object tag, ChangeTable.Changer changer)` Set the Changer to be used for all values of a particular tag.
`void` | `setSplitter(Object tag, ChangeTable.Splitter splitter)` Set the Splitter to be used for all values of a particular tag.

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

Field Detail

### STRING_TO_INT

    public static final ChangeTable.Changer STRING_TO_INT

Constructor Detail

### ChangeTable

    public ChangeTable()

Method Detail

### setChanger

    public void setChanger(Object tag,
                           ChangeTable.Changer changer)

  Set the Changer to be used for all values of a particular tag.

  Parameters:
    `tag` - the tag Object which will have all values changed
    `changer` - the Changer used to change the values

### setSplitter

    public void setSplitter(Object tag,
                            ChangeTable.Splitter splitter)

  Set the Splitter to be used for all values of a particular tag.

  Parameters:
    `tag` - the tag Object which will have all values split
    `splitter` - the Splitter used to split the values

### getChanger

    public ChangeTable.Changer getChanger(Object tag)

  Get the Changer currently registered to handle a tag.

  Parameters:
    `tag` - the tag Object for which values would be changed
  Returns:
    the associated Changer or null

### getSplitter

    public ChangeTable.Splitter getSplitter(Object tag)

  Get the Splitter currently registered to handle a tag.

  Parameters:
    `tag` - the tag Object for which values would be split
  Returns:
    the associated Splitter or null

### change

    public Object change(Object tag,
                         Object value)
                  throws ParserException

  Throws:
    `ParserException`

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