| /* |
| * 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.internal.PlatformEventType; |
| import jdk.jfr.internal.Control; |
| import jdk.jfr.internal.Type; |
| import jdk.jfr.internal.Utils; |
| |
| @MetadataDefinition |
| @Label("Period") |
| @Description("Record event at interval") |
| @Name(Type.SETTINGS_PREFIX + "Period") |
| public final class PeriodSetting extends Control { |
| private static final long typeId = Type.getTypeId(PeriodSetting.class); |
| |
| public static final String EVERY_CHUNK = "everyChunk"; |
| public static final String BEGIN_CHUNK = "beginChunk"; |
| public static final String END_CHUNK = "endChunk"; |
| public static final String NAME = "period"; |
| private final PlatformEventType eventType; |
| private String value = EVERY_CHUNK; |
| |
| public PeriodSetting(PlatformEventType eventType, String defaultValue) { |
| super(defaultValue); |
| this.eventType = Objects.requireNonNull(eventType); |
| } |
| |
| @Override |
| public String combine(Set<String> values) { |
| long min = Long.MAX_VALUE; |
| boolean beginChunk = false; |
| boolean endChunk = false; |
| String text = EVERY_CHUNK; |
| for (String value : values) { |
| switch (value) { |
| case EVERY_CHUNK: |
| beginChunk = true; |
| endChunk = true; |
| break; |
| case BEGIN_CHUNK: |
| beginChunk = true; |
| break; |
| case END_CHUNK: |
| endChunk = true; |
| break; |
| default: |
| long l = Utils.parseTimespan(value); |
| if (l < min) { |
| text = value; |
| min = l; |
| } |
| } |
| } |
| if (min != Long.MAX_VALUE) { |
| return text; |
| } |
| if (beginChunk && !endChunk) { |
| return BEGIN_CHUNK; |
| } |
| if (!beginChunk && endChunk) { |
| return END_CHUNK; |
| } |
| return text; |
| } |
| |
| @Override |
| public void setValue(String value) { |
| switch (value) { |
| case EVERY_CHUNK: |
| eventType.setPeriod(0, true, true); |
| break; |
| case BEGIN_CHUNK: |
| eventType.setPeriod(0, true, false); |
| break; |
| case END_CHUNK: |
| eventType.setPeriod(0, false, true); |
| break; |
| default: |
| eventType.setPeriod(Utils.parseTimespan(value) / 1_000_000, false, false); |
| } |
| this.value = value; |
| } |
| |
| @Override |
| public String getValue() { |
| return value; |
| } |
| |
| public static boolean isType(long typeId) { |
| return PeriodSetting.typeId == typeId; |
| } |
| } |