author | egahlin |
Mon, 08 Jul 2019 23:08:05 +0200 | |
branch | JEP-349-branch |
changeset 57460 | bcbc53560c77 |
parent 50113 | caf115bb98ad |
child 58112 | e7754025004b |
permissions | -rw-r--r-- |
50113 | 1 |
/* |
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* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.jfr.consumer; |
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import jdk.jfr.internal.Type; |
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/** |
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* A recorded thread. |
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* |
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* @since 9 |
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*/ |
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public final class RecordedThread extends RecordedObject { |
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static ObjectFactory<RecordedThread> createFactory(Type type, TimeConverter timeConverter) { |
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Reduce allocation rate by minimizing number of fields in RecordedEvent
egahlin
parents:
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diff
changeset
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return new ObjectFactory<RecordedThread>(type, timeConverter) { |
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@Override |
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RecordedThread createTyped(ObjectContext objectContext, long id, Object[] values) { |
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return new RecordedThread(objectContext, id, values); |
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} |
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}; |
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} |
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private final long uniqueId; |
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parents:
50113
diff
changeset
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private RecordedThread(ObjectContext objectContext, long id, Object[] values) { |
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super(objectContext, values); |
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this.uniqueId = id; |
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} |
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/** |
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* Returns the thread name used by the operating system. |
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* |
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* @return the OS thread name, or {@code null} if doesn't exist |
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*/ |
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public String getOSName() { |
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return getTyped("osName", String.class, null); |
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} |
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/** |
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* Returns the thread ID used by the operating system. |
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* |
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* @return The Java thread ID, or {@code -1} if doesn't exist |
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*/ |
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public long getOSThreadId() { |
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Long l = getTyped("osThreadId", Long.class, -1L); |
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return l.longValue(); |
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} |
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/** |
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* Returns the Java thread group, if available. |
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* |
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* @return the thread group, or {@code null} if doesn't exist |
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*/ |
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public RecordedThreadGroup getThreadGroup() { |
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return getTyped("group", RecordedThreadGroup.class, null); |
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} |
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/** |
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* Returns the Java thread name, or {@code null} if if doesn't exist. |
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* <p> |
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* Returns {@code java.lang.Thread.getName()} if the thread has a Java |
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* representation. {@code null} otherwise. |
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* |
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* @return the Java thread name, or {@code null} if doesn't exist |
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*/ |
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public String getJavaName() { |
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return getTyped("javaName", String.class, null); |
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} |
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/** |
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* Returns the Java thread ID, or {@code -1} if it's not a Java thread. |
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* |
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* @return the Java thread ID, or {@code -1} if it's not a Java thread |
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*/ |
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public long getJavaThreadId() { |
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Long l = getTyped("javaThreadId", Long.class, -1L); |
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return l.longValue(); |
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} |
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/** |
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* Returns a unique ID for both native threads and Java threads that can't be |
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* reused within the lifespan of the JVM. |
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* <p> |
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* See {@link #getJavaThreadId()} for the ID that is returned by |
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* {@code java.lang.Thread.getId()} |
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* |
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* @return a unique ID for the thread |
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*/ |
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public long getId() { |
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return uniqueId; |
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} |
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} |