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| | |
| | | /* |
| | | * Copyright (c) 2018-2028, DreamLu All rights reserved. |
| | | * |
| | | * Redistribution and use in source and binary forms, with or without |
| | | * modification, are permitted provided that the following conditions are met: |
| | | * |
| | | * Redistributions of source code must retain the above copyright notice, |
| | | * this list of conditions and the following disclaimer. |
| | | * Redistributions in binary form must reproduce the above copyright |
| | | * notice, this list of conditions and the following disclaimer in the |
| | | * documentation and/or other materials provided with the distribution. |
| | | * Neither the name of the dreamlu.net developer nor the names of its |
| | | * contributors may be used to endorse or promote products derived from |
| | | * this software without specific prior written permission. |
| | | * Author: DreamLu 墿¥æ¢¦ (596392912@qq.com) |
| | | */ |
| | | package org.springblade.core.tool.utils; |
| | | |
| | | |
| | | import java.lang.management.ManagementFactory; |
| | | import java.time.Duration; |
| | | import java.util.List; |
| | | |
| | | /** |
| | | * è¿è¡æ¶å·¥å
·ç±» |
| | | * |
| | | * @author L.cm |
| | | */ |
| | | public class RuntimeUtil { |
| | | |
| | | /** |
| | | * è·å¾å½åè¿ç¨çPID |
| | | * <p> |
| | | * å½å¤±è´¥æ¶è¿å-1 |
| | | * |
| | | * @return pid |
| | | */ |
| | | public static int getPid() { |
| | | // something like '<pid>@<hostname>', at least in SUN / Oracle JVMs |
| | | final String jvmName = ManagementFactory.getRuntimeMXBean().getName(); |
| | | final int index = jvmName.indexOf(CharPool.AT); |
| | | if (index > 0) { |
| | | return NumberUtil.toInt(jvmName.substring(0, index), -1); |
| | | } |
| | | return -1; |
| | | } |
| | | |
| | | /** |
| | | * è¿ååºç¨å¯å¨å°ç°å¨çæ¶é´ |
| | | * |
| | | * @return {Duration} |
| | | */ |
| | | public static Duration getUpTime() { |
| | | long upTime = ManagementFactory.getRuntimeMXBean().getUptime(); |
| | | return Duration.ofMillis(upTime); |
| | | } |
| | | |
| | | /** |
| | | * è¿åè¾å
¥çJVMåæ°å表 |
| | | * |
| | | * @return jvmåæ° |
| | | */ |
| | | public static String getJvmArguments() { |
| | | List<String> vmArguments = ManagementFactory.getRuntimeMXBean().getInputArguments(); |
| | | return StringUtil.join(vmArguments, StringPool.SPACE); |
| | | } |
| | | |
| | | /** |
| | | * è·åCPUæ ¸æ° |
| | | * |
| | | * @return cpu count |
| | | */ |
| | | public static int getCpuNum() { |
| | | return Runtime.getRuntime().availableProcessors(); |
| | | } |
| | | |
| | | } |