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Framework for writing connectors based on message processing

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package com.bytex.snamp.connector.dataStream;

import com.bytex.snamp.connector.attributes.AttributeDescriptor;
import com.bytex.snamp.connector.metrics.RatedTimeRecorder;
import com.bytex.snamp.instrumentation.measurements.jmx.TimeMeasurementNotification;
import org.osgi.framework.InvalidSyntaxException;

import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeType;
import java.time.Duration;

import static com.bytex.snamp.jmx.MetricsConverter.RATED_TIMER_TYPE;
import static com.bytex.snamp.jmx.MetricsConverter.fromRatedTimer;

/**
 * Collects timing measurements.
 */
final class TimerAttribute extends MetricHolderAttribute {
    static final CompositeType TYPE = RATED_TIMER_TYPE;
    static final String NAME = "timer";
    private static final long serialVersionUID = -5234028741040752357L;

    TimerAttribute(final String name, final AttributeDescriptor descriptor) throws InvalidSyntaxException {
        super(TimeMeasurementNotification.class, name, TYPE, descriptor, RatedTimeRecorder::new);
    }

    @Override
    CompositeData getValue(final RatedTimeRecorder metric) {
        return fromRatedTimer(metric);
    }

    @Override
    void updateMetric(final RatedTimeRecorder metric, final TimeMeasurementNotification notification) {
        metric.accept(notification.getMeasurement().convertTo(Duration.class));
    }

    @Override
    protected boolean isNotificationEnabled(final TimeMeasurementNotification notification) {
        return representsMeasurement(notification);
    }
}