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## com.sleepycat.bdb.bind.tuple
Interface MarshalledTupleData

public interface MarshalledTupleData

A marshalling interface implemented by key, value or entity classes that have tuple data. Key classes implement this interface to marshal their key data. Value or entity classes implement this interface to marshal their value data. Implementations of this interface must have a public no arguments contructor so that they can be instantiated by a binding, prior to calling the `unmarshalData(com.sleepycat.bdb.bind.tuple.TupleInput)` method.

Note that implementing this interface is not necessary when the data is a Java simple type, for example: String, Integer, etc. These types can be used with built-in bindings returned by `TupleBinding.getPrimitiveBinding(java.lang.Class, com.sleepycat.bdb.bind.tuple.TupleFormat)`.

See Also:
  `TupleTupleMarshalledBinding`, `TupleTupleMarshalledKeyExtractor`

Method Summary
`void` | `marshalData(TupleOutput dataOutput)` Construct the key or value tuple data from the key or value object.
`void` | `unmarshalData(TupleInput dataInput)` Construct the key or value object from the key or value tuple data.

Method Detail

### marshalData

    public void marshalData(TupleOutput dataOutput)
                     throws IOException

  Construct the key or value tuple data from the key or value object.

  Parameters:
    `dataOutput` - is the output tuple.
    `IOException`

### unmarshalData

    public void unmarshalData(TupleInput dataInput)
                       throws IOException

  Construct the key or value object from the key or value tuple data.

  Parameters:
    `dataInput` - is the input tuple.
    `IOException`

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