[HWKMETRICS-241] remove uuid lib dependency

core/metrics-core-impl/pom.xml

@@ -99,12 +99,6 @@
       <artifactId>commons-math3</artifactId>
       <version>3.4.1</version>
     </dependency>
-    <dependency>
-
-      <groupId>com.github.stephenc.eaio-uuid</groupId>
-      <artifactId>uuid</artifactId>
-      <version>3.4.0</version>
-    </dependency>
 
     <dependency>
       <groupId>junit</groupId>

core/metrics-core-impl/src/main/java/org/hawkular/metrics/core/impl/TimeUUIDUtils.java

@@ -21,58 +21,13 @@
 
 import org.joda.time.DateTime;
 
-import com.datastax.driver.core.utils.UUIDs;
-import com.eaio.uuid.UUIDGen;
-
 /**
  * @author John Sanda
  */
 public class TimeUUIDUtils {
 
-    static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;
-
-    // This function is taken from the Hector library.
-    //
-    //    The MIT License
-    //
-    //            Copyright (c) 2010 Ran Tavory
-    //
-    //    Permission is hereby granted, free of charge, to any person obtaining a copy
-    //    of this software and associated documentation files (the "Software"), to deal
-    //    in the Software without restriction, including without limitation the rights
-    //    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    //    copies of the Software, and to permit persons to whom the Software is
-    //    furnished to do so, subject to the following conditions:
-    //
-    //    The above copyright notice and this permission notice shall be included in
-    //    all copies or substantial portions of the Software.
-    //
-    //    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    //    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    //    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    //    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    //    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    //    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-    //    THE SOFTWARE.
     public static UUID getTimeUUID(long time) {
-        return new UUID(createTime(time), UUIDGen.getClockSeqAndNode());
-    }
-
-    private static long createTime(long currentTime) {
-        long time;
-
-        // UTC time
-        long timeToUse = (currentTime * 10000) + NUM_100NS_INTERVALS_SINCE_UUID_EPOCH;
-
-        // time low
-        time = timeToUse << 32;
-
-        // time mid
-        time |= (timeToUse & 0xFFFF00000000L) >> 16;
-
-        // time hi and version
-        time |= 0x1000 | ((timeToUse >> 48) & 0x0FFF); // version 1
-        return time;
+        return UUIDGen.getTimeUUID(time);
     }
 
     public static UUID getTimeUUID(Date d) {
@@ -83,17 +38,4 @@ public static UUID getTimeUUID(DateTime d) {
         return getTimeUUID(d.getMillis());
     }
 
-    public static int compare(UUID u1, UUID u2) {
-        long ts1 = UUIDs.unixTimestamp(u1);
-        long ts2 = UUIDs.unixTimestamp(u2);
-
-        if (ts1 > ts2) {
-            return 1;
-        }
-        if (ts1 < ts2) {
-            return -1;
-        }
-        return u1.compareTo(u2);
-    }
-
 }