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

Event field annotation, specifies that the value is a point in time.
Since:9
/** * Event field annotation, specifies that the value is a point in time. * * @since 9 */
@MetadataDefinition @ContentType @Label("Timestamp") @Description("A point in time") @Retention(RetentionPolicy.RUNTIME) @Target({ ElementType.FIELD, ElementType.TYPE, ElementType.METHOD}) public @interface Timestamp {
The unit for the difference, measured in milliseconds, between the current time and midnight, January 1, 1970 UTC.
/** * The unit for the difference, measured in milliseconds, between the current * time and midnight, January 1, 1970 UTC. */
public final static String MILLISECONDS_SINCE_EPOCH = "MILLISECONDS_SINCE_EPOCH";
The unit for the number of ticks that have transpired since some arbitrary starting date.
/** * The unit for the number of ticks that have transpired since some arbitrary * starting date. */
public final static String TICKS = "TICKS";
Unit for the time stamp.
Returns:time stamp unit, not null
/** * Unit for the time stamp. * * @return time stamp unit, not {@code null} */
String value() default Timestamp.MILLISECONDS_SINCE_EPOCH; }