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There is a newer version: 6.0.1
/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.shared.messageq;

import com.codahale.metrics.Meter;
import com.codahale.metrics.MetricRegistry;
import com.google.auto.value.AutoValue;
import org.graylog2.shared.buffers.RawMessageEvent;

import javax.inject.Inject;
import java.util.List;

import static com.codahale.metrics.MetricRegistry.name;

public interface MessageQueueWriter {

    void write(List entries) throws MessageQueueException;

    @AutoValue
    abstract class Metrics {
        public static class Provider implements javax.inject.Provider {
            private final MetricRegistry metricRegistry;

            @Inject
            public Provider(MetricRegistry metricRegistry) {
                this.metricRegistry = metricRegistry;
            }

            @Override
            public MessageQueueWriter.Metrics get() {
                return MessageQueueWriter.Metrics.builder()
                        .writtenMessages(
                                metricRegistry.meter(name(MessageQueueWriter.class, "written-messages")))
                        .writtenBytes(
                                metricRegistry.meter(name(MessageQueueWriter.class, "written-bytes")))
                        .failedWriteAttempts(
                                metricRegistry.meter(name(MessageQueueWriter.class, "failed-write-attempts")))
                        .build();
            }
        }

        public abstract Meter writtenMessages();

        public abstract Meter writtenBytes();

        public abstract Meter failedWriteAttempts();

        public static Builder builder() {
            return new AutoValue_MessageQueueWriter_Metrics.Builder();
        }


        @AutoValue.Builder
        public abstract static class Builder {
            public abstract Builder writtenMessages(Meter writtenMessages);

            public abstract Builder writtenBytes(Meter writtenBytes);

            public abstract Builder failedWriteAttempts(Meter failedWriteAttempts);

            public abstract Metrics build();
        }
    }
}