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High-Performance FIX Gateway

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/*
 * Copyright 2021 Monotonic Ltd.
 *
 * 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
 *
 * https://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 uk.co.real_logic.artio.fixp;

import org.agrona.concurrent.AtomicBuffer;

/**
 * Class to implement by FIXP implementations in order to save or load contexts from a file.
 *
 * It's safe to assume that usage is single threaded.
 */
public abstract class AbstractFixPStorage
{
    public abstract InternalFixPContext newInitiatorContext(FixPKey key, int offset);

    public abstract InternalFixPContext loadContext(AtomicBuffer buffer, int offset, int fileVersion);

    public abstract int saveContext(InternalFixPContext context, AtomicBuffer buffer, int offset, int fileVersion);

    public abstract void updateContext(InternalFixPContext context, AtomicBuffer buffer);
}