TupleSerialBinding.java

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2000-2005
 *      Sleepycat Software.  All rights reserved.
 *
 * $Id: TupleSerialBinding.java,v 12.2 2005/08/01 20:25:08 mark Exp $
 */

package com.sleepycat.bind.serial;

import com.sleepycat.bind.EntityBinding;
import com.sleepycat.bind.tuple.TupleBase;
import com.sleepycat.bind.tuple.TupleInput;
import com.sleepycat.bind.tuple.TupleOutput;
import com.sleepycat.db.DatabaseEntry;

public abstract class TupleSerialBinding extends TupleBase
    implements EntityBinding {

    protected SerialBinding dataBinding;

    public TupleSerialBinding(ClassCatalog classCatalog,
                              Class baseClass) {

        this(new SerialBinding(classCatalog, baseClass));
    }

    public TupleSerialBinding(SerialBinding dataBinding) {

        this.dataBinding = dataBinding;
    }

    // javadoc is inherited
    public Object entryToObject(DatabaseEntry key, DatabaseEntry data) {

        return entryToObject(entryToInput(key),
                             dataBinding.entryToObject(data));
    }

    // javadoc is inherited
    public void objectToKey(Object object, DatabaseEntry key) {

        TupleOutput output = getTupleOutput(object);
        objectToKey(object, output);
        outputToEntry(output, key);
    }

    // javadoc is inherited
    public void objectToData(Object object, DatabaseEntry data) {

        object = objectToData(object);
        dataBinding.objectToEntry(object, data);
    }

    public abstract Object entryToObject(TupleInput keyInput,
                                         Object dataInput);

    public abstract void objectToKey(Object object, TupleOutput keyOutput);

    public abstract Object objectToData(Object object);
}

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