Chronicle-Map/src/main/java/net/openhft/chronicle/set/DummyValueMarshaller.java

/*
 * Copyright 2014 Higher Frequency Trading
 *
 * http://www.higherfrequencytrading.com
 *
 * Licensed 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 net.openhft.chronicle.set;

import net.openhft.chronicle.hash.serialization.BytesInterop;
import net.openhft.chronicle.hash.serialization.BytesReader;
import net.openhft.chronicle.hash.serialization.SizeMarshaller;
import net.openhft.lang.io.Bytes;

import static net.openhft.chronicle.set.DummyValue.DUMMY_VALUE;

enum DummyValueMarshaller
        implements BytesInterop<DummyValue>, BytesReader<DummyValue>, SizeMarshaller {
    INSTANCE;

    @Override
    public boolean startsWith(Bytes bytes, DummyValue dummyValue) {
        throw new UnsupportedOperationException();
    }

    @Override
    public long hash(DummyValue dummyValue) {
        throw new UnsupportedOperationException();
    }

    @Override
    public DummyValue read(Bytes bytes, long size) {
        return DUMMY_VALUE;
    }

    @Override
    public DummyValue read(Bytes bytes, long size, DummyValue toReuse) {
        return DUMMY_VALUE;
    }

    @Override
    public long size(DummyValue dummyValue) {
        return 0L;
    }

    @Override
    public void write(Bytes bytes, DummyValue dummyValue) {
        // do nothing
    }

    @Override
    public int sizeEncodingSize(long size) {
        return 0;
    }

    @Override
    public int minSizeEncodingSize() {
        return 0;
    }

    @Override
    public int maxSizeEncodingSize() {
        return 0;
    }

    @Override
    public void writeSize(Bytes bytes, long size) {
        // do nothing
    }

    @Override
    public long readSize(Bytes bytes) {
        return 0L;
    }
}