1 /*
   2  * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.consumer;
  27 
  28 import java.util.List;
  29 
  30 import jdk.jfr.ValueDescriptor;
  31 import jdk.jfr.internal.Type;
  32 
  33 /**
  34  * A recorded Java thread group.
  35  *
  36  * @since 8
  37  */
  38 public final class RecordedThreadGroup extends RecordedObject {
  39 
  40     static ObjectFactory<RecordedThreadGroup> createFactory(Type type, TimeConverter timeConverter) {
  41         return new ObjectFactory<RecordedThreadGroup>(type) {
  42             @Override
  43             RecordedThreadGroup createTyped(List<ValueDescriptor> desc, long id, Object[] object) {
  44                 return new RecordedThreadGroup(desc, object, timeConverter);
  45             }
  46         };
  47     }
  48 
  49     private RecordedThreadGroup(List<ValueDescriptor> descriptors, Object[] objects, TimeConverter timeConverter) {
  50         super(descriptors, objects, timeConverter);
  51     }
  52 
  53     /**
  54      * Returns the name of the thread group, or {@code null} if doesn't exist.
  55      *
  56      * @return the thread group name, or {@code null} if doesn't exist
  57      */
  58     public String getName() {
  59         return getTyped("name", String.class, null);
  60     }
  61 
  62     /**
  63      * Returns the parent thread group, or {@code null} if it doesn't exist.
  64      *
  65      * @return parent thread group, or {@code null} if it doesn't exist.
  66      */
  67     public RecordedThreadGroup getParent() {
  68         return getTyped("parent", RecordedThreadGroup.class, null);
  69     }
  70 }