TupleMarshalledBinding.java

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2000-2005
 *      Sleepycat Software.  All rights reserved.
 *
 * $Id: TupleMarshalledBinding.java,v 12.1 2005/01/31 19:27:32 mark Exp $
 */

package com.sleepycat.bind.tuple;

import com.sleepycat.util.RuntimeExceptionWrapper;

public class TupleMarshalledBinding extends TupleBinding {

    private Class cls;

    public TupleMarshalledBinding(Class cls) {

        this.cls = cls;

        /* The class will be used to instantiate the object.  */
        if (!MarshalledTupleEntry.class.isAssignableFrom(cls)) {
            throw new IllegalArgumentException(cls.toString() +
                        " does not implement MarshalledTupleEntry");
        }
    }

    // javadoc is inherited
    public Object entryToObject(TupleInput input) {

        try {
            MarshalledTupleEntry obj =
                (MarshalledTupleEntry) cls.newInstance();
            obj.unmarshalEntry(input);
            return obj;
        } catch (IllegalAccessException e) {
            throw new RuntimeExceptionWrapper(e);
        } catch (InstantiationException e) {
            throw new RuntimeExceptionWrapper(e);
        }
    }

    // javadoc is inherited
    public void objectToEntry(Object object, TupleOutput output) {

        MarshalledTupleEntry obj = (MarshalledTupleEntry) object;
        obj.marshalEntry(output);
    }
}

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