--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordedEvent.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.jfr.consumer;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.List;
+
+import jdk.jfr.EventType;
+import jdk.jfr.ValueDescriptor;
+import jdk.jfr.internal.EventInstrumentation;
+
+/**
+ * A recorded event.
+ *
+ * @since 9
+ */
+public final class RecordedEvent extends RecordedObject {
+ private final EventType eventType;
+ private final long startTime;
+ private final long endTime;
+
+ // package private
+ RecordedEvent(EventType type, List<ValueDescriptor> vds, Object[] values, long startTime, long endTime, TimeConverter timeConverter) {
+ super(vds, values, timeConverter);
+ this.eventType = type;
+ this.startTime = startTime;
+ this.endTime = endTime;
+ }
+
+ /**
+ * Returns the stack trace that was created when the event was committed, or
+ * {@code null} if the event lacks a stack trace.
+ *
+ * @return stack trace, or {@code null} if doesn't exist for the event
+ */
+ public RecordedStackTrace getStackTrace() {
+ return getTyped(EventInstrumentation.FIELD_STACK_TRACE, RecordedStackTrace.class, null);
+ }
+
+ /**
+ * Returns the thread from which the event was committed, or {@code null} if
+ * the thread was not recorded.
+ *
+ * @return thread, or {@code null} if doesn't exist for the event
+ */
+ public RecordedThread getThread() {
+ return getTyped(EventInstrumentation.FIELD_EVENT_THREAD, RecordedThread.class, null);
+ }
+
+ /**
+ * Returns the event type that describes the event.
+ *
+ * @return the event type, not {@code null}
+ */
+ public EventType getEventType() {
+ return eventType;
+ }
+
+ /**
+ * Returns the start time of the event.
+ * <p>
+ * If the event is an instant event, then the start time and end time are the same.
+ *
+ * @return the start time, not {@code null}
+ */
+ public Instant getStartTime() {
+ return Instant.ofEpochSecond(0, startTime);
+ }
+
+ /**
+ * Returns the end time of the event.
+ * <p>
+ * If the event is an instant event, then the start time and end time are the same.
+ *
+ * @return the end time, not {@code null}
+ */
+ public Instant getEndTime() {
+ return Instant.ofEpochSecond(0, endTime);
+ }
+
+ /**
+ * Returns the duration of the event, measured in nanoseconds.
+ *
+ * @return the duration in nanoseconds, not {@code null}
+ */
+ public Duration getDuration() {
+ return Duration.ofNanos(endTime - startTime);
+ }
+
+ /**
+ * Returns the list of descriptors that describes the fields of the event.
+ *
+ * @return descriptors, not {@code null}
+ */
+ @Override
+ public List<ValueDescriptor> getFields() {
+ return getEventType().getFields();
+ }
+}