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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.jfr;

import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

Event annotation, specifies the default duration below which an event is not recorded (for example, "20 ms"). 
Since:
9/**
 * Event annotation, specifies the default duration below which an event is not
 * recorded (for example, {@code "20 ms"}).
 *
 * @since 9
 */
@MetadataDefinition
@Target({ ElementType.TYPE })
@Inherited
@Retention(RetentionPolicy.RUNTIME)
public @interface Threshold {
    
Setting name "threshold" for configuring event thresholds. /**
     * Setting name {@code "threshold"} for configuring event thresholds.
     */
    public final static String NAME = "threshold";

    
The threshold (for example, "20 ms"). 
 A String representation of a positive Long value followed by an empty space and one of the following units:


 "ns" (nanoseconds)
 "us" (microseconds)
 "ms" (milliseconds)
 "s" (seconds)
 "m" (minutes)
 "h" (hours)
 "d" (days)

 Example values are "0 ns", "10 ms", and "1 s". 
Returns:
the threshold, default "0 ns", not null/**
     * The threshold (for example, {@code "20 ms"}).
     * <p>
     * A {@code String} representation of a positive {@code Long} value followed by an
     * empty space and one of the following units:<br>
     * <br>
     * {@code "ns"} (nanoseconds)<br>
     * {@code "us"} (microseconds)<br>
     * {@code "ms"} (milliseconds)<br>
     * {@code "s"} (seconds)<br>
     * {@code "m"} (minutes)<br>
     * {@code "h"} (hours)<br>
     * {@code "d"} (days)<br>
     * <p>
     * Example values are {@code "0 ns"}, {@code "10 ms"}, and {@code "1 s"}.
     *
     * @return the threshold, default {@code "0 ns"}, not {@code null}
     */
    String value() default "0 ns";
}