2 * ============LICENSE_START====================================================
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4 * ===========================================================================
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5 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
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6 * ===========================================================================
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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18 * ============LICENSE_END====================================================
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22 package org.onap.aaf.misc.env.util;
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24 import java.security.SecureRandom;
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25 import java.text.DateFormat;
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26 import java.text.SimpleDateFormat;
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27 import java.util.Date;
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28 import java.util.GregorianCalendar;
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29 import java.util.TimeZone;
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30 import java.util.UUID;
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31 import java.util.logging.Formatter;
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32 import java.util.logging.LogRecord;
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34 import javax.xml.datatype.DatatypeConfigurationException;
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35 import javax.xml.datatype.DatatypeFactory;
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36 import javax.xml.datatype.XMLGregorianCalendar;
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38 public class Chrono {
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39 private static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;
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41 public final static DateFormat dateFmt, dateOnlyFmt, niceDateFmt, utcFmt,iso8601Fmt;
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42 // Give general access to XML DataType Factory, since it's pretty common
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43 public static final DatatypeFactory xmlDatatypeFactory;
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47 xmlDatatypeFactory = DatatypeFactory.newInstance();
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48 } catch (DatatypeConfigurationException e) {
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49 throw new RuntimeException(e);
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51 dateOnlyFmt = new SimpleDateFormat("yyyy-MM-dd");
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52 niceDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");
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53 dateFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
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54 utcFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
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55 iso8601Fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSX");
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56 utcFmt.setTimeZone(TimeZone.getTimeZone("UTC"));
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60 public static class Formatter8601 extends Formatter {
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63 public String format(LogRecord r) {
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64 StringBuilder sb = new StringBuilder();
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65 sb.append(dateFmt.format(new Date(r.getMillis())));
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67 sb.append(r.getThreadID());
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69 sb.append(r.getLevel());
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71 sb.append(r.getMessage());
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73 return sb.toString();
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81 * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with "now"
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84 public static XMLGregorianCalendar timeStamp() {
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85 return xmlDatatypeFactory.newXMLGregorianCalendar(new GregorianCalendar());
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91 * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with passed in Date
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95 public static XMLGregorianCalendar timeStamp(Date date) {
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96 GregorianCalendar gc = new GregorianCalendar();
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98 return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
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101 public static XMLGregorianCalendar timeStamp(GregorianCalendar gc) {
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102 return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
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105 public static String utcStamp() {
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106 return utcFmt.format(new Date());
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109 public static String utcStamp(Date date) {
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110 if(date==null)return "";
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111 return utcFmt.format(date);
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114 public static String utcStamp(GregorianCalendar gc) {
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115 if(gc==null)return "";
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116 return utcFmt.format(gc.getTime());
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119 public static String utcStamp(XMLGregorianCalendar xgc) {
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120 if(xgc==null)return "";
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121 return utcFmt.format(xgc.toGregorianCalendar().getTime());
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124 public static String dateStamp() {
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125 return dateFmt.format(new Date());
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128 public static String dateStamp(GregorianCalendar gc) {
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129 if(gc == null)return "";
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130 return dateFmt.format(gc.getTime());
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133 public static String dateStamp(Date date) {
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134 if(date == null)return "";
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135 return dateFmt.format(date);
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138 public static String dateStamp(XMLGregorianCalendar xgc) {
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139 if(xgc==null)return "";
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140 return dateFmt.format(xgc.toGregorianCalendar().getTime());
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144 * JAXB compatible dataTime Stamp
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146 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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150 public static String dateTime() {
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151 return dateTime(new GregorianCalendar());
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155 * JAXB compatible dataTime Stamp
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157 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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161 public static String dateTime(Date date) {
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162 GregorianCalendar gc = new GregorianCalendar();
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164 return dateTime(gc);
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168 * JAXB compatible dataTime Stamp
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170 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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174 public static String dateTime(GregorianCalendar gc) {
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175 if(gc == null)return "";
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176 TimeZone tz = gc.getTimeZone();
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177 int tz1 = (tz.getRawOffset()+tz.getDSTSavings())/0x8CA0;
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178 int tz1abs = Math.abs(tz1);
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179 return String.format("%04d-%02d-%02dT%02d:%02d:%02d.%03d%c%02d:%02d",
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180 gc.get(GregorianCalendar.YEAR),
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181 gc.get(GregorianCalendar.MONTH)+1,
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182 gc.get(GregorianCalendar.DAY_OF_MONTH),
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183 gc.get(GregorianCalendar.HOUR),
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184 gc.get(GregorianCalendar.MINUTE),
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185 gc.get(GregorianCalendar.SECOND),
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186 gc.get(GregorianCalendar.MILLISECOND),
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187 tz1==tz1abs?'+':'-',
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189 ((tz1abs-(tz1abs/100)*100)*6)/10 // Get the "10s", then convert to mins (without losing int place)
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194 * JAXB compatible dataTime Stamp
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196 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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200 public static String dateTime(XMLGregorianCalendar xgc) {
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201 return xgc==null?"":dateTime(xgc.toGregorianCalendar());
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204 public static String dateOnlyStamp() {
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205 return dateOnlyFmt.format(new Date());
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208 public static String dateOnlyStamp(GregorianCalendar gc) {
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209 return gc == null?"":dateOnlyFmt.format(gc.getTime());
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212 public static String dateOnlyStamp(Date date) {
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213 return date == null?"":dateOnlyFmt.format(date);
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216 public static String dateOnlyStamp(XMLGregorianCalendar xgc) {
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217 return xgc==null?"":dateOnlyFmt.format(xgc.toGregorianCalendar().getTime());
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220 public static String niceDateStamp() {
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221 return niceDateFmt.format(new Date());
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224 public static String niceDateStamp(Date date) {
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225 return date==null?"":niceDateFmt.format(date);
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228 public static String niceDateStamp(GregorianCalendar gc) {
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229 return gc==null?"":niceDateFmt.format(gc.getTime());
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232 public static String niceDateStamp(XMLGregorianCalendar xgc) {
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233 return xgc==null?"":niceDateFmt.format(xgc.toGregorianCalendar().getTime());
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237 ////////////////////// HELPFUL Strings
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238 public static final String BAD_DIR_CHARS_REGEX = "[/:\\;.]";
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239 public static final String SPLIT_DIR_REGEX = "/";
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241 public static long firstMomentOfDay(long utc) {
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242 GregorianCalendar begin = new GregorianCalendar();
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243 begin.setTimeInMillis(utc);
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244 return firstMomentOfDay(begin).getTimeInMillis();
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247 public static long lastMomentOfDay(long utc) {
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248 GregorianCalendar end = new GregorianCalendar();
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249 end.setTimeInMillis(utc);
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250 return lastMomentOfDay(end).getTimeInMillis();
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253 public static GregorianCalendar firstMomentOfDay(GregorianCalendar begin) {
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254 if(begin==null)begin = new GregorianCalendar();
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255 begin.set(GregorianCalendar.HOUR, 0);
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256 begin.set(GregorianCalendar.AM_PM, GregorianCalendar.AM);
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257 begin.set(GregorianCalendar.MINUTE, 0);
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258 begin.set(GregorianCalendar.SECOND, 0);
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259 begin.set(GregorianCalendar.MILLISECOND, 0);
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263 public static GregorianCalendar lastMomentOfDay(GregorianCalendar end) {
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264 if(end==null)end = new GregorianCalendar();
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265 end.set(GregorianCalendar.HOUR, 11);
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266 end.set(GregorianCalendar.MINUTE, 59);
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267 end.set(GregorianCalendar.SECOND, 59);
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268 end.set(GregorianCalendar.MILLISECOND, 999);
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269 end.set(GregorianCalendar.AM_PM, GregorianCalendar.PM);
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273 // UUID needs to be converted from UUID Epoch
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274 public static final Date uuidToDate(UUID id) {
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275 return new Date((id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000);
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278 public static final long uuidToUnix(UUID id) {
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279 return (id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000;
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282 public static float millisFromNanos(long start, long end) {
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283 return (end - start) / 1000000f;
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287 private static long sequence = new SecureRandom().nextInt();
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288 private static synchronized long sequence() {
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292 public static final UUID dateToUUID(Date origTime) {
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293 return dateToUUID(origTime.getTime());
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296 public static final UUID dateToUUID(long origTime) {
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298 * From Cassandra : http://wiki.apache.org/cassandra/FAQ
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299 Magic number obtained from #cassandra's thobbs, who
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300 claims to have stolen it from a Python library.
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302 long time = origTime * 10000 + NUM_100NS_INTERVALS_SINCE_UUID_EPOCH;
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303 long timeLow = time & 0xffffffffL;
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304 long timeMid = time & 0xffff00000000L;
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305 long timeHi = time & 0xfff000000000000L;
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306 long upperLong = (timeLow << 32) | (timeMid >> 16) | (1 << 12) | (timeHi >> 48) ;
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307 return new java.util.UUID(upperLong, (0xC000000000000000L | sequence()));
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