From 0d7d6a88080dc8759ef84ed5ad7875f25642df6c Mon Sep 17 00:00:00 2001
From: yantian yue <306727702@qq.com>
Date: 星期一, 23 十月 2023 10:59:18 +0800
Subject: [PATCH] OPCUA更新
---
guns-base-support/guns-base/src/main/java/cn/stylefeng/guns/base/enums/MicroTimestamp.java | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/guns-base-support/guns-base/src/main/java/cn/stylefeng/guns/base/enums/MicroTimestamp.java b/guns-base-support/guns-base/src/main/java/cn/stylefeng/guns/base/enums/MicroTimestamp.java
new file mode 100644
index 0000000..f7a66ce
--- /dev/null
+++ b/guns-base-support/guns-base/src/main/java/cn/stylefeng/guns/base/enums/MicroTimestamp.java
@@ -0,0 +1,27 @@
+package cn.stylefeng.guns.base.enums;
+
+import java.text.SimpleDateFormat;
+
+/**
+ * Class to generate timestamps with microsecond precision
+ * For example: MicroTimestamp.INSTANCE.get() = "2012-10-21 19:13:45.267128"
+ */
+public enum MicroTimestamp
+{
+ INSTANCE ;
+ private long startDate ;
+ private long startNanoseconds ;
+ private SimpleDateFormat dateFormat ;
+
+ private MicroTimestamp()
+ { this.startDate = System.currentTimeMillis() ;
+ this.startNanoseconds = System.nanoTime() ;
+ this.dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS") ;
+ }
+
+ public String get()
+ { long microSeconds = (System.nanoTime() - this.startNanoseconds) / 1000 ;
+ long date = this.startDate + (microSeconds/1000) ;
+ return this.dateFormat.format(date) + String.format("%03d", microSeconds % 1000) ;
+ }
+}
\ No newline at end of file
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