src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordedThread.java
changeset 50113 caf115bb98ad
child 57460 bcbc53560c77
child 58863 c16ac7a2eba4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordedThread.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,118 @@
+/*
+ * 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.util.List;
+
+import jdk.jfr.ValueDescriptor;
+import jdk.jfr.internal.Type;
+
+/**
+ * A recorded thread.
+ *
+ * @since 9
+ */
+public final class RecordedThread extends RecordedObject {
+
+    static ObjectFactory<RecordedThread> createFactory(Type type, TimeConverter timeConverter) {
+        return new ObjectFactory<RecordedThread>(type) {
+            @Override
+            RecordedThread createTyped(List<ValueDescriptor> desc, long id, Object[] object) {
+                return new RecordedThread(desc, id, object, timeConverter);
+            }
+        };
+    }
+
+    private final long uniqueId;
+
+    private RecordedThread(List<ValueDescriptor> descriptors, long id, Object[] values,  TimeConverter timeConverter) {
+        super(descriptors, values, timeConverter);
+        this.uniqueId = id;
+    }
+
+    /**
+     * Returns the thread name used by the operating system.
+     *
+     * @return the OS thread name, or {@code null} if doesn't exist
+     */
+    public String getOSName() {
+        return getTyped("osName", String.class, null);
+    }
+
+    /**
+     * Returns the thread ID used by the operating system.
+     *
+     * @return The Java thread ID, or {@code -1} if doesn't exist
+     */
+    public long getOSThreadId() {
+        Long l = getTyped("osThreadId", Long.class, -1L);
+        return l.longValue();
+    }
+
+    /**
+     * Returns the Java thread group, if available.
+     *
+     * @return the thread group, or {@code null} if doesn't exist
+     */
+    public RecordedThreadGroup getThreadGroup() {
+        return getTyped("group", RecordedThreadGroup.class, null);
+    }
+
+    /**
+     * Returns the Java thread name, or {@code null} if if doesn't exist.
+     * <p>
+     * Returns {@code java.lang.Thread.getName()} if the thread has a Java
+     * representation. {@code null} otherwise.
+     *
+     * @return the Java thread name, or {@code null} if doesn't exist
+     */
+    public String getJavaName() {
+        return getTyped("javaName", String.class, null);
+    }
+
+    /**
+     * Returns the Java thread ID, or {@code -1} if it's not a Java thread.
+     *
+     * @return the Java thread ID, or {@code -1} if it's not a Java thread
+     */
+    public long getJavaThreadId() {
+        Long l = getTyped("javaThreadId", Long.class, -1L);
+        return l.longValue();
+    }
+
+    /**
+     * Returns a unique ID for both native threads and Java threads that can't be
+     * reused within the lifespan of the JVM.
+     * <p>
+     * See {@link #getJavaThreadId()} for the ID that is returned by
+     * {@code java.lang.Thread.getId()}
+     *
+     * @return a unique ID for the thread
+     */
+    public long getId() {
+        return uniqueId;
+    }
+}