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High-Performance FIX Gateway

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/*
 * Copyright 2015-2024 Real Logic Limited.
 *
 * 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;

import io.aeron.logbuffer.ControlledFragmentHandler.Action;

import static io.aeron.Publication.ADMIN_ACTION;
import static io.aeron.Publication.BACK_PRESSURED;
import static io.aeron.logbuffer.ControlledFragmentHandler.Action.ABORT;

public final class Pressure
{
    public static Action apply(final long position)
    {
        if (isBackPressured(position))
        {
            return ABORT;
        }

        return Action.CONTINUE;
    }

    public static boolean isBackPressured(final long position)
    {
        return position == BACK_PRESSURED || position == ADMIN_ACTION;
    }
}