| /* |
| * 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.internal.settings; |
| |
| import java.util.Objects; |
| import java.util.Set; |
| |
| import jdk.jfr.Description; |
| import jdk.jfr.Label; |
| import jdk.jfr.MetadataDefinition; |
| import jdk.jfr.Name; |
| import jdk.jfr.Timespan; |
| import jdk.jfr.internal.PlatformEventType; |
| import jdk.jfr.internal.Control; |
| import jdk.jfr.internal.Type; |
| import jdk.jfr.internal.Utils; |
| @MetadataDefinition |
| @Label("Threshold") |
| @Name(Type.SETTINGS_PREFIX + "Threshold") |
| @Description("Record event with duration above or equal to threshold") |
| @Timespan |
| public final class ThresholdSetting extends Control { |
| private final static long typeId = Type.getTypeId(ThresholdSetting.class); |
| private String value = "0 ns"; |
| private final PlatformEventType eventType; |
| |
| public ThresholdSetting(PlatformEventType eventType, String defaultValue) { |
| super(defaultValue); |
| this.eventType = Objects.requireNonNull(eventType); |
| } |
| |
| @Override |
| public String combine(Set<String> values) { |
| long min = Long.MAX_VALUE; |
| String text = "0 ns"; |
| for (String value : values) { |
| long l = Utils.parseTimespan(value); |
| if (l < min) { |
| text = value; |
| min = l; |
| } |
| } |
| return text; |
| } |
| |
| @Override |
| public void setValue(String value) { |
| long l = Utils.parseTimespan(value); |
| this.value = value; |
| eventType.setThreshold(l); |
| } |
| |
| @Override |
| public String getValue() { |
| return value; |
| } |
| |
| public static boolean isType(long typeId) { |
| return ThresholdSetting.typeId == typeId; |
| } |
| } |