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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: MarshalledEntity.java,v 1.17.2.2 2010/01/04 15:30:25 cwl Exp $
*/
package collections.ship.marshal;
import com.sleepycat.bind.tuple.TupleInput;
import com.sleepycat.bind.tuple.TupleOutput;
/**
* MarshalledEntity is implemented by entity (combined key/data) objects and
* called by {@link SampleViews.MarshalledEntityBinding}. In this sample,
* MarshalledEntity is implemented by {@link Part}, {@link Supplier}, and
* {@link Shipment}. This interface is package-protected rather than public
* to hide the marshalling interface from other users of the data objects.
* Note that a MarshalledEntity must also have a no arguments constructor so
* that it can be instantiated by the binding.
*
* @author Mark Hayes
*/
interface MarshalledEntity {
/**
* Extracts the entity's primary key and writes it to the key output.
*/
void marshalPrimaryKey(TupleOutput keyOutput);
/**
* Completes construction of the entity by setting its primary key from the
* stored primary key.
*/
void unmarshalPrimaryKey(TupleInput keyInput);
/**
* Extracts the entity's index key and writes it to the key output.
*/
boolean marshalSecondaryKey(String keyName, TupleOutput keyOutput);
}
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