Package org.apache.qpid.proton.codec

Source Code of org.apache.qpid.proton.codec.Decimal64Type$Decimal64Encoding

/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.proton.codec;

import org.apache.qpid.proton.amqp.Decimal64;

import java.util.Collection;
import java.util.Collections;

public class Decimal64Type extends AbstractPrimitiveType<Decimal64>
{
    private Decimal64Encoding _decimal64Encoder;

    Decimal64Type(final EncoderImpl encoder, final DecoderImpl decoder)
    {
        _decimal64Encoder = new Decimal64Encoding(encoder, decoder);
        encoder.register(Decimal64.class, this);
        decoder.register(this);
    }

    public Class<Decimal64> getTypeClass()
    {
        return Decimal64.class;
    }

    public Decimal64Encoding getEncoding(final Decimal64 val)
    {
        return _decimal64Encoder;
    }


    public Decimal64Encoding getCanonicalEncoding()
    {
        return _decimal64Encoder;
    }

    public Collection<Decimal64Encoding> getAllEncodings()
    {
        return Collections.singleton(_decimal64Encoder);
    }

    private class Decimal64Encoding extends FixedSizePrimitiveTypeEncoding<Decimal64>
    {

        public Decimal64Encoding(final EncoderImpl encoder, final DecoderImpl decoder)
        {
            super(encoder, decoder);
        }

        @Override
        protected int getFixedSize()
        {
            return 8;
        }

        @Override
        public byte getEncodingCode()
        {
            return EncodingCodes.DECIMAL64;
        }

        public Decimal64Type getType()
        {
            return Decimal64Type.this;
        }

        public void writeValue(final Decimal64 val)
        {
            getEncoder().writeRaw(val.getBits());
        }

        public boolean encodesSuperset(final TypeEncoding<Decimal64> encoding)
        {
            return (getType() == encoding.getType());
        }

        public Decimal64 readValue()
        {
            return new Decimal64(getDecoder().readRawLong());
        }
    }
}
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