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/*
 * 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
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 *  https://www.apache.org/licenses/LICENSE-2.0
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 * database integrations.
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 * For more information, please visit: https://www.jooq.org/legal/licensing
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package org.jooq.impl;

import org.jooq.Configuration;
import org.jooq.Record;
import org.jooq.RowCountQuery;
import org.jooq.impl.R2DBC.BlockingRowCountSubscription;
import org.jooq.impl.R2DBC.QuerySubscription;
import org.jooq.impl.R2DBC.RowCountSubscriber;

import org.reactivestreams.Subscriber;

import io.r2dbc.spi.ConnectionFactory;

/**
 * @author Lukas Eder
 */
abstract class AbstractRowCountQuery extends AbstractQuery implements RowCountQuery {

    AbstractRowCountQuery(Configuration configuration) {
        super(configuration);
    }

    @Override
    public final void subscribe(Subscriber subscriber) {
        ConnectionFactory cf = configuration().connectionFactory();

        if (!(cf instanceof NoConnectionFactory))
            subscriber.onSubscribe(new QuerySubscription<>(this, subscriber, (t, u) -> new RowCountSubscriber(u)));
        else
            subscriber.onSubscribe(new BlockingRowCountSubscription(this, subscriber));
    }
}