author | mgronlun |
Wed, 18 Sep 2019 12:19:58 +0200 | |
branch | JEP-349-branch |
changeset 58207 | 704387b7f5b9 |
parent 58200 | 2d147d680311 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2019, 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.internal.consumer; |
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import java.time.ZoneId; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import jdk.jfr.EventType; |
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import jdk.jfr.ValueDescriptor; |
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public final class ObjectContext { |
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private final Map<ValueDescriptor, ObjectContext> contextLookup; |
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private final TimeConverter timeConverter; |
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public final EventType eventType; |
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public final List<ValueDescriptor> fields; |
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ObjectContext(EventType eventType, List<ValueDescriptor> fields, TimeConverter timeConverter) { |
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this.contextLookup = new HashMap<>(); |
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this.eventType = eventType; |
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this.fields = fields; |
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this.timeConverter = timeConverter; |
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} |
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private ObjectContext(ObjectContext parent, ValueDescriptor descriptor) { |
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this.eventType = parent.eventType; |
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this.contextLookup = parent.contextLookup; |
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this.timeConverter = parent.timeConverter; |
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this.fields = descriptor.getFields(); |
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} |
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public ObjectContext getInstance(ValueDescriptor descriptor) { |
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ObjectContext context = contextLookup.get(descriptor); |
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if (context == null) { |
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context = new ObjectContext(this, descriptor); |
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contextLookup.put(descriptor, context); |
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} |
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return context; |
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} |
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public long convertTimestamp(long ticks) { |
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return timeConverter.convertTimestamp(ticks); |
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} |
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public long convertTimespan(long ticks) { |
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return timeConverter.convertTimespan(ticks); |
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} |
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public ZoneId getZoneOffset() { |
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return timeConverter.getZoneOffset(); |
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} |
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} |