author | egahlin |
Wed, 18 Sep 2019 03:45:46 +0200 | |
branch | JEP-349-branch |
changeset 58197 | 0ef79bd7fb5c |
parent 58145 | bc54ed8d908a |
child 58200 | 2d147d680311 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 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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||
58145
bc54ed8d908a
Move implementation into jdk.jfr.internal.consumer
egahlin
parents:
57452
diff
changeset
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package jdk.jfr.internal.consumer; |
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import java.time.DateTimeException; |
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import java.time.ZoneOffset; |
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import jdk.jfr.internal.LogLevel; |
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import jdk.jfr.internal.LogTag; |
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import jdk.jfr.internal.Logger; |
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import jdk.jfr.internal.consumer.ChunkHeader; |
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/** |
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* Converts ticks to nanoseconds |
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*/ |
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final class TimeConverter { |
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private final long startTicks; |
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private final long startNanos; |
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private final double divisor; |
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private final ZoneOffset zoneOffet; |
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TimeConverter(ChunkHeader chunkHeader, int rawOffset) { |
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this.startTicks = chunkHeader.getStartTicks(); |
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this.startNanos = chunkHeader.getStartNanos(); |
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this.divisor = chunkHeader.getTicksPerSecond() / 1000_000_000L; |
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this.zoneOffet = zoneOfSet(rawOffset); |
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} |
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private ZoneOffset zoneOfSet(int rawOffset) { |
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try { |
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return ZoneOffset.ofTotalSeconds(rawOffset / 1000); |
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} catch (DateTimeException dte) { |
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Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Could not create ZoneOffset from raw offset " + rawOffset); |
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} |
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return ZoneOffset.UTC; |
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} |
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public long convertTimestamp(long ticks) { |
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return startNanos + (long) ((ticks - startTicks) / divisor); |
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} |
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public long convertTimespan(long ticks) { |
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return (long) (ticks / divisor); |
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} |
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public ZoneOffset getZoneOffset() { |
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return zoneOffet; |
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} |
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} |