Fix Batch Cred Deletes
[aaf/authz.git] / misc / env / src / main / java / org / onap / aaf / misc / env / util / Chrono.java
index 74fbef6..aa20dfa 100644 (file)
-/**
- * ============LICENSE_START====================================================
- * org.onap.aaf
- * ===========================================================================
- * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
- * ===========================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END====================================================
- *
- */
-
-package org.onap.aaf.misc.env.util;
-
-import java.security.SecureRandom;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.TimeZone;
-import java.util.UUID;
-import java.util.logging.Formatter;
-import java.util.logging.LogRecord;
-
-import javax.xml.datatype.DatatypeConfigurationException;
-import javax.xml.datatype.DatatypeFactory;
-import javax.xml.datatype.XMLGregorianCalendar;
-
-public class Chrono {
-    private static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;
-
-       public final static DateFormat dateFmt, dateOnlyFmt, niceDateFmt, utcFmt,iso8601Fmt;
-       // Give general access to XML DataType Factory, since it's pretty common
-       public static final DatatypeFactory xmlDatatypeFactory;
-       
-       static {
-               try {
-                       xmlDatatypeFactory = DatatypeFactory.newInstance();
-               } catch (DatatypeConfigurationException e) {
-                       throw new RuntimeException(e);
-               }
-               dateOnlyFmt = new SimpleDateFormat("yyyy-MM-dd");
-               niceDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");
-               dateFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
-               utcFmt =  new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
-               iso8601Fmt =  new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSX");
-               utcFmt.setTimeZone(TimeZone.getTimeZone("UTC"));
-       }
-       
-
-       public static class Formatter8601 extends Formatter {
-
-               @Override
-               public String format(LogRecord r) {
-                       StringBuilder sb = new StringBuilder();
-                       sb.append(dateFmt.format(new Date(r.getMillis())));
-                       sb.append(' ');
-                       sb.append(r.getThreadID());
-                       sb.append(' ');
-                       sb.append(r.getLevel());
-                       sb.append(": ");
-                       sb.append(r.getMessage());
-                       sb.append('\n');
-                       return sb.toString();
-               }
-               
-       }
-       
-       /**
-        * timeStamp
-        * 
-        * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with "now" 
-        * @return
-        */
-       public static XMLGregorianCalendar timeStamp() {
-               return xmlDatatypeFactory.newXMLGregorianCalendar(new GregorianCalendar());
-       }
-
-       /**
-        * timestamp
-        * 
-        * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with passed in Date 
-        * @param date
-        * @return
-        */
-       public static XMLGregorianCalendar timeStamp(Date date) {
-               GregorianCalendar gc = new GregorianCalendar();
-               gc.setTime(date);
-               return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
-       }
-
-       public static XMLGregorianCalendar timeStamp(GregorianCalendar gc) {
-               return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
-       }
-
-       public static String utcStamp() {
-               return utcFmt.format(new Date());
-       }
-
-       public static String utcStamp(Date date) {
-               if(date==null)return "";
-               return utcFmt.format(date);
-       }
-
-       public static String utcStamp(GregorianCalendar gc) {
-               if(gc==null)return "";
-               return utcFmt.format(gc.getTime());
-       }
-
-       public static String utcStamp(XMLGregorianCalendar xgc) {
-               if(xgc==null)return "";
-               return utcFmt.format(xgc.toGregorianCalendar().getTime());
-       }
-
-       public static String dateStamp() {
-               return dateFmt.format(new Date());
-       }
-
-       public static String dateStamp(GregorianCalendar gc) {
-               if(gc == null)return "";
-               return dateFmt.format(gc.getTime());
-       }
-
-       public static String dateStamp(Date date) {
-               if(date == null)return "";
-               return dateFmt.format(date);
-       }
-
-       public static String dateStamp(XMLGregorianCalendar xgc) {
-               if(xgc==null)return "";
-               return dateFmt.format(xgc.toGregorianCalendar().getTime());
-       }
-
-       /**
-        * JAXB compatible dataTime Stamp
-        * 
-        * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
-        * 
-        * @return
-        */
-       public static String dateTime() {
-               return dateTime(new GregorianCalendar());
-       }
-
-       /**
-        * JAXB compatible dataTime Stamp
-        * 
-        * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
-        * 
-        * @return
-        */
-       public static String dateTime(Date date) {
-               GregorianCalendar gc = new GregorianCalendar();
-               gc.setTime(date);
-               return dateTime(gc);
-       }
-
-       /**
-        * JAXB compatible dataTime Stamp
-        * 
-        * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
-        * 
-        * @return
-        */
-       public static String dateTime(GregorianCalendar gc) {
-               if(gc == null)return "";
-               TimeZone tz = gc.getTimeZone();
-               int tz1 = (tz.getRawOffset()+tz.getDSTSavings())/0x8CA0;
-               int tz1abs = Math.abs(tz1);
-               return String.format("%04d-%02d-%02dT%02d:%02d:%02d.%03d%c%02d:%02d", 
-                               gc.get(GregorianCalendar.YEAR),
-                               gc.get(GregorianCalendar.MONTH)+1,
-                               gc.get(GregorianCalendar.DAY_OF_MONTH),
-                               gc.get(GregorianCalendar.HOUR),
-                               gc.get(GregorianCalendar.MINUTE),
-                               gc.get(GregorianCalendar.SECOND),
-                               gc.get(GregorianCalendar.MILLISECOND),
-                               tz1==tz1abs?'+':'-',
-                               tz1abs/100,
-                               ((tz1abs-(tz1abs/100)*100)*6)/10 // Get the "10s", then convert to mins (without losing int place)
-                               );
-       }
-
-       /**
-        * JAXB compatible dataTime Stamp
-        * 
-        * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
-        * 
-        * @return
-        */
-       public static String dateTime(XMLGregorianCalendar xgc) {
-               return xgc==null?"":dateTime(xgc.toGregorianCalendar());
-       }
-
-       public static String dateOnlyStamp() {
-               return dateOnlyFmt.format(new Date());
-       }
-
-       public static String dateOnlyStamp(GregorianCalendar gc) {
-               return gc == null?"":dateOnlyFmt.format(gc.getTime());
-       }
-
-       public static String dateOnlyStamp(Date date) {
-               return date == null?"":dateOnlyFmt.format(date);
-       }
-
-       public static String dateOnlyStamp(XMLGregorianCalendar xgc) {
-               return xgc==null?"":dateOnlyFmt.format(xgc.toGregorianCalendar().getTime());
-       }
-
-       public static String niceDateStamp() {
-               return niceDateFmt.format(new Date());
-       }
-
-       public static String niceDateStamp(Date date) {
-               return date==null?"":niceDateFmt.format(date);
-       }
-
-       public static String niceDateStamp(GregorianCalendar gc) {
-               return gc==null?"":niceDateFmt.format(gc.getTime());
-       }
-
-       public static String niceDateStamp(XMLGregorianCalendar xgc) {
-               return xgc==null?"":niceDateFmt.format(xgc.toGregorianCalendar().getTime());
-       }
-
-
-       //////////////////////  HELPFUL Strings
-       public static final String BAD_DIR_CHARS_REGEX = "[/:\\;.]";
-       public static final String SPLIT_DIR_REGEX = "/";
-
-       public static long firstMomentOfDay(long utc) {
-               GregorianCalendar begin = new GregorianCalendar();
-               begin.setTimeInMillis(utc);
-               return firstMomentOfDay(begin).getTimeInMillis();
-       }       
-       
-       public static long lastMomentOfDay(long utc) {
-               GregorianCalendar end = new GregorianCalendar();
-               end.setTimeInMillis(utc);
-               return lastMomentOfDay(end).getTimeInMillis();
-       }
-
-       public static GregorianCalendar firstMomentOfDay(GregorianCalendar begin) {
-               if(begin==null)begin = new GregorianCalendar();
-               begin.set(GregorianCalendar.HOUR, 0);
-               begin.set(GregorianCalendar.AM_PM, GregorianCalendar.AM);
-               begin.set(GregorianCalendar.MINUTE, 0);
-               begin.set(GregorianCalendar.SECOND, 0);
-               begin.set(GregorianCalendar.MILLISECOND, 0);
-               return begin;
-       }       
-
-       public static GregorianCalendar lastMomentOfDay(GregorianCalendar end) {
-               if(end==null)end = new GregorianCalendar();
-               end.set(GregorianCalendar.HOUR, 11);
-               end.set(GregorianCalendar.MINUTE, 59);
-               end.set(GregorianCalendar.SECOND, 59);
-               end.set(GregorianCalendar.MILLISECOND, 999);
-               end.set(GregorianCalendar.AM_PM, GregorianCalendar.PM);
-               return end;
-       }
-
-       // UUID needs to be converted from UUID Epoch
-       public static final Date uuidToDate(UUID id) {
-               return new Date((id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000);
-       }
-
-       public static final long uuidToUnix(UUID id) {
-               return (id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000;
-       }
-
-       public static float millisFromNanos(long start, long end) {
-               return (end - start) / 1000000f;
-       }
-
-
-       private static long sequence = new SecureRandom().nextInt();
-       private static synchronized long sequence() {
-               return ++sequence;
-       }
-       
-       public static final UUID dateToUUID(Date origTime) {
-               return dateToUUID(origTime.getTime());
-       }
-       
-       public static final UUID dateToUUID(long origTime) {
-       /*
-        * From Cassandra : http://wiki.apache.org/cassandra/FAQ
-         Magic number obtained from #cassandra's thobbs, who
-         claims to have stolen it from a Python library.
-       */
-        long time = origTime * 10000 + NUM_100NS_INTERVALS_SINCE_UUID_EPOCH;
-        long timeLow = time &       0xffffffffL;
-        long timeMid = time &   0xffff00000000L;
-        long timeHi = time & 0xfff000000000000L;
-        long upperLong = (timeLow << 32) | (timeMid >> 16) | (1 << 12) | (timeHi >> 48) ;
-        return new java.util.UUID(upperLong, (0xC000000000000000L | sequence()));
-       }
-
-}
+/**\r
+ * ============LICENSE_START====================================================\r
+ * org.onap.aaf\r
+ * ===========================================================================\r
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.\r
+ * ===========================================================================\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ * \r
+ *      http://www.apache.org/licenses/LICENSE-2.0\r
+ * \r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ * ============LICENSE_END====================================================\r
+ *\r
+ */\r
+\r
+package org.onap.aaf.misc.env.util;\r
+\r
+import java.security.SecureRandom;\r
+import java.text.DateFormat;\r
+import java.text.SimpleDateFormat;\r
+import java.util.Date;\r
+import java.util.GregorianCalendar;\r
+import java.util.TimeZone;\r
+import java.util.UUID;\r
+import java.util.logging.Formatter;\r
+import java.util.logging.LogRecord;\r
+\r
+import javax.xml.datatype.DatatypeConfigurationException;\r
+import javax.xml.datatype.DatatypeFactory;\r
+import javax.xml.datatype.XMLGregorianCalendar;\r
+\r
+public class Chrono {\r
+    private static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;\r
+\r
+    public final static DateFormat dateFmt;\r
+    public final static DateFormat dateOnlyFmt;\r
+    public final static DateFormat niceDateFmt;\r
+    public final static DateFormat utcFmt;\r
+    public final static DateFormat niceUTCDateFmt;\r
+    public final static DateFormat iso8601Fmt;\r
+    public final static DateFormat batchFmt;\r
+    // Give general access to XML DataType Factory, since it's pretty common\r
+    public static final DatatypeFactory xmlDatatypeFactory;\r
+    \r
+    static {\r
+        try {\r
+            xmlDatatypeFactory = DatatypeFactory.newInstance();\r
+        } catch (DatatypeConfigurationException e) {\r
+            throw new RuntimeException(e);\r
+        }\r
+        dateOnlyFmt = new SimpleDateFormat("yyyy-MM-dd");\r
+        niceDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");\r
+        dateFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");\r
+        utcFmt =  new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");\r
+        utcFmt.setTimeZone(TimeZone.getTimeZone("UTC"));\r
+        niceUTCDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");\r
+        niceUTCDateFmt.setTimeZone(TimeZone.getTimeZone("UTC"));\r
+        iso8601Fmt =  new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSX");\r
+        batchFmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss+SSSS");\r
+        // Note: DB and thus Batch conversions should always be in UTC Time\r
+        batchFmt.setTimeZone(TimeZone.getTimeZone("UTC"));\r
+    }\r
+    \r
+\r
+    public static class Formatter8601 extends Formatter {\r
+\r
+        @Override\r
+        public String format(LogRecord r) {\r
+            StringBuilder sb = new StringBuilder();\r
+            sb.append(dateFmt.format(new Date(r.getMillis())));\r
+            sb.append(' ');\r
+            sb.append(r.getThreadID());\r
+            sb.append(' ');\r
+            sb.append(r.getLevel());\r
+            sb.append(": ");\r
+            sb.append(r.getMessage());\r
+            sb.append('\n');\r
+            return sb.toString();\r
+        }\r
+        \r
+    }\r
+    \r
+    /**\r
+     * timeStamp\r
+     * \r
+     * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with "now" \r
+     * @return\r
+     */\r
+    public static XMLGregorianCalendar timeStamp() {\r
+        return xmlDatatypeFactory.newXMLGregorianCalendar(new GregorianCalendar());\r
+    }\r
+\r
+    /**\r
+     * timestamp\r
+     * \r
+     * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with passed in Date \r
+     * @param date\r
+     * @return\r
+     */\r
+    public static XMLGregorianCalendar timeStamp(Date date) {\r
+        GregorianCalendar gc = new GregorianCalendar();\r
+        gc.setTime(date);\r
+        return xmlDatatypeFactory.newXMLGregorianCalendar(gc);\r
+    }\r
+\r
+    public static XMLGregorianCalendar timeStamp(GregorianCalendar gc) {\r
+        return xmlDatatypeFactory.newXMLGregorianCalendar(gc);\r
+    }\r
+\r
+    public static String utcStamp() {\r
+        return utcFmt.format(new Date());\r
+    }\r
+\r
+    public static String utcStamp(Date date) {\r
+        if (date==null)return "";\r
+        return utcFmt.format(date);\r
+    }\r
+\r
+    public static String utcStamp(GregorianCalendar gc) {\r
+        if (gc==null)return "";\r
+        return utcFmt.format(gc.getTime());\r
+    }\r
+\r
+    public static String utcStamp(XMLGregorianCalendar xgc) {\r
+        if (xgc==null)return "";\r
+        return utcFmt.format(xgc.toGregorianCalendar().getTime());\r
+    }\r
+    \r
+    public static String niceUTCStamp() {\r
+        return niceUTCDateFmt.format(new Date());\r
+    }\r
+\r
+    public static String niceUTCStamp(Date date) {\r
+        if (date==null)return "";\r
+        return niceUTCDateFmt.format(date);\r
+    }\r
+\r
+    public static String niceUTCStamp(GregorianCalendar gc) {\r
+        if (gc==null)return "";\r
+        return niceUTCDateFmt.format(gc.getTime());\r
+    }\r
+\r
+    public static String niceUTCStamp(XMLGregorianCalendar xgc) {\r
+        if (xgc==null)return "";\r
+        return niceUTCDateFmt.format(xgc.toGregorianCalendar().getTime());\r
+    }\r
+\r
+    public static String dateStamp() {\r
+        return dateFmt.format(new Date());\r
+    }\r
+\r
+    public static String dateStamp(GregorianCalendar gc) {\r
+        if (gc == null)return "";\r
+        return dateFmt.format(gc.getTime());\r
+    }\r
+\r
+    public static String dateStamp(Date date) {\r
+        if (date == null)return "";\r
+        return dateFmt.format(date);\r
+    }\r
+\r
+    public static String dateStamp(XMLGregorianCalendar xgc) {\r
+        if (xgc==null)return "";\r
+        return dateFmt.format(xgc.toGregorianCalendar().getTime());\r
+    }\r
+\r
+    /**\r
+     * JAXB compatible dataTime Stamp\r
+     * \r
+     * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.\r
+     * \r
+     * @return\r
+     */\r
+    public static String dateTime() {\r
+        return dateTime(new GregorianCalendar());\r
+    }\r
+\r
+    /**\r
+     * JAXB compatible dataTime Stamp\r
+     * \r
+     * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.\r
+     * \r
+     * @return\r
+     */\r
+    public static String dateTime(Date date) {\r
+        GregorianCalendar gc = new GregorianCalendar();\r
+        gc.setTime(date);\r
+        return dateTime(gc);\r
+    }\r
+\r
+    /**\r
+     * JAXB compatible dataTime Stamp\r
+     * \r
+     * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.\r
+     * \r
+     * @return\r
+     */\r
+    public static String dateTime(GregorianCalendar gc) {\r
+        if (gc == null)return "";\r
+        TimeZone tz = gc.getTimeZone();\r
+        int tz1 = (tz.getRawOffset()+tz.getDSTSavings())/0x8CA0;\r
+        int tz1abs = Math.abs(tz1);\r
+        return String.format("%04d-%02d-%02dT%02d:%02d:%02d.%03d%c%02d:%02d", \r
+                gc.get(GregorianCalendar.YEAR),\r
+                gc.get(GregorianCalendar.MONTH)+1,\r
+                gc.get(GregorianCalendar.DAY_OF_MONTH),\r
+                gc.get(GregorianCalendar.HOUR),\r
+                gc.get(GregorianCalendar.MINUTE),\r
+                gc.get(GregorianCalendar.SECOND),\r
+                gc.get(GregorianCalendar.MILLISECOND),\r
+                tz1==tz1abs?'+':'-',\r
+                tz1abs/100,\r
+                ((tz1abs-(tz1abs/100)*100)*6)/10 // Get the "10s", then convert to mins (without losing int place)\r
+                );\r
+    }\r
+\r
+    /**\r
+     * JAXB compatible dataTime Stamp\r
+     * \r
+     * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.\r
+     * \r
+     * @return\r
+     */\r
+    public static String dateTime(XMLGregorianCalendar xgc) {\r
+        return xgc==null?"":dateTime(xgc.toGregorianCalendar());\r
+    }\r
+\r
+    public static String dateOnlyStamp() {\r
+        return dateOnlyFmt.format(new Date());\r
+    }\r
+\r
+    public static String dateOnlyStamp(GregorianCalendar gc) {\r
+        return gc == null?"":dateOnlyFmt.format(gc.getTime());\r
+    }\r
+\r
+    public static String dateOnlyStamp(Date date) {\r
+        return date == null?"":dateOnlyFmt.format(date);\r
+    }\r
+\r
+    public static String dateOnlyStamp(XMLGregorianCalendar xgc) {\r
+        return xgc==null?"":dateOnlyFmt.format(xgc.toGregorianCalendar().getTime());\r
+    }\r
+\r
+    public static String niceDateStamp() {\r
+        return niceDateFmt.format(new Date());\r
+    }\r
+\r
+    public static String niceDateStamp(Date date) {\r
+        return date==null?"":niceDateFmt.format(date);\r
+    }\r
+\r
+    public static String niceDateStamp(GregorianCalendar gc) {\r
+        return gc==null?"":niceDateFmt.format(gc.getTime());\r
+    }\r
+\r
+    public static String niceDateStamp(XMLGregorianCalendar xgc) {\r
+        return xgc==null?"":niceDateFmt.format(xgc.toGregorianCalendar().getTime());\r
+    }\r
+\r
+\r
+    //////////////////////  HELPFUL Strings\r
+    public static final String BAD_DIR_CHARS_REGEX = "[/:\\;.]";\r
+    public static final String SPLIT_DIR_REGEX = "/";\r
+\r
+    public static long firstMomentOfDay(long utc) {\r
+        GregorianCalendar begin = new GregorianCalendar();\r
+        begin.setTimeInMillis(utc);\r
+        return firstMomentOfDay(begin).getTimeInMillis();\r
+    }    \r
+    \r
+    public static long lastMomentOfDay(long utc) {\r
+        GregorianCalendar end = new GregorianCalendar();\r
+        end.setTimeInMillis(utc);\r
+        return lastMomentOfDay(end).getTimeInMillis();\r
+    }\r
+\r
+    public static GregorianCalendar firstMomentOfDay(GregorianCalendar begin) {\r
+        if (begin==null)begin = new GregorianCalendar();\r
+        begin.set(GregorianCalendar.HOUR, 0);\r
+        begin.set(GregorianCalendar.AM_PM, GregorianCalendar.AM);\r
+        begin.set(GregorianCalendar.MINUTE, 0);\r
+        begin.set(GregorianCalendar.SECOND, 0);\r
+        begin.set(GregorianCalendar.MILLISECOND, 0);\r
+        return begin;\r
+    }    \r
+\r
+    public static GregorianCalendar lastMomentOfDay(GregorianCalendar end) {\r
+        if (end==null)end = new GregorianCalendar();\r
+        end.set(GregorianCalendar.HOUR, 11);\r
+        end.set(GregorianCalendar.MINUTE, 59);\r
+        end.set(GregorianCalendar.SECOND, 59);\r
+        end.set(GregorianCalendar.MILLISECOND, 999);\r
+        end.set(GregorianCalendar.AM_PM, GregorianCalendar.PM);\r
+        return end;\r
+    }\r
+\r
+    // UUID needs to be converted from UUID Epoch\r
+    public static final Date uuidToDate(UUID id) {\r
+        return new Date((id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000);\r
+    }\r
+\r
+    public static final long uuidToUnix(UUID id) {\r
+        return (id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000;\r
+    }\r
+\r
+    public static float millisFromNanos(long start, long end) {\r
+        return (end - start) / 1000000f;\r
+    }\r
+\r
+\r
+    private static long sequence = new SecureRandom().nextInt();\r
+    private static synchronized long sequence() {\r
+        return ++sequence;\r
+    }\r
+    \r
+    public static final UUID dateToUUID(Date origTime) {\r
+        return dateToUUID(origTime.getTime());\r
+    }\r
+    \r
+    public static final UUID dateToUUID(long origTime) {\r
+    /*\r
+     * From Cassandra : http://wiki.apache.org/cassandra/FAQ\r
+      Magic number obtained from #cassandra's thobbs, who\r
+      claims to have stolen it from a Python library.\r
+    */\r
+        long time = origTime * 10000 + NUM_100NS_INTERVALS_SINCE_UUID_EPOCH;\r
+        long timeLow = time &       0xffffffffL;\r
+        long timeMid = time &   0xffff00000000L;\r
+        long timeHi = time & 0xfff000000000000L;\r
+        long upperLong = (timeLow << 32) | (timeMid >> 16) | (1 << 12) | (timeHi >> 48) ;\r
+        return new java.util.UUID(upperLong, (0xC000000000000000L | sequence()));\r
+    }\r
+\r
+}\r