TupleBinding.java

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2000-2005
 *      Sleepycat Software.  All rights reserved.
 *
 * $Id: TupleBinding.java,v 12.2 2005/08/01 20:25:16 mark Exp $
 */

package com.sleepycat.bind.tuple;

import java.util.HashMap;
import java.util.Map;

import com.sleepycat.bind.EntryBinding;
import com.sleepycat.db.DatabaseEntry;

public abstract class TupleBinding extends TupleBase implements EntryBinding {

    private static final Map primitives = new HashMap();
    static {
        addPrimitive(String.class, String.class, new StringBinding());
        addPrimitive(Character.class, Character.TYPE, new CharacterBinding());
        addPrimitive(Boolean.class, Boolean.TYPE, new BooleanBinding());
        addPrimitive(Byte.class, Byte.TYPE, new ByteBinding());
        addPrimitive(Short.class, Short.TYPE, new ShortBinding());
        addPrimitive(Integer.class, Integer.TYPE, new IntegerBinding());
        addPrimitive(Long.class, Long.TYPE, new LongBinding());
        addPrimitive(Float.class, Float.TYPE, new FloatBinding());
        addPrimitive(Double.class, Double.TYPE, new DoubleBinding());
    }

    private static void addPrimitive(Class cls1, Class cls2,
                                     TupleBinding binding) {
        primitives.put(cls1, binding);
        primitives.put(cls2, binding);
    }

    public TupleBinding() {
    }

    // javadoc is inherited
    public Object entryToObject(DatabaseEntry entry) {

        return entryToObject(entryToInput(entry));
    }

    // javadoc is inherited
    public void objectToEntry(Object object, DatabaseEntry entry) {

        TupleOutput output = getTupleOutput(object);
        objectToEntry(object, output);
        outputToEntry(output, entry);
    }

    public abstract Object entryToObject(TupleInput input);

    public abstract void objectToEntry(Object object, TupleOutput output);

    public static TupleBinding getPrimitiveBinding(Class cls) {

        return (TupleBinding) primitives.get(cls);
    }
}

---