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Posted to dev@commons.apache.org by jo...@apache.org on 2006/01/18 21:02:57 UTC
svn commit: r370241 -
/jakarta/commons/sandbox/id/trunk/src/java/org/apache/commons/id/serial/TimeBasedAlphanumericIdentifierGenerator.java
Author: joehni
Date: Wed Jan 18 12:02:53 2006
New Revision: 370241
URL: http://svn.apache.org/viewcvs?rev=370241&view=rev
Log:
Fix behaviour during time shifts resulting in duplicate ids.
Modified:
jakarta/commons/sandbox/id/trunk/src/java/org/apache/commons/id/serial/TimeBasedAlphanumericIdentifierGenerator.java
Modified: jakarta/commons/sandbox/id/trunk/src/java/org/apache/commons/id/serial/TimeBasedAlphanumericIdentifierGenerator.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/id/trunk/src/java/org/apache/commons/id/serial/TimeBasedAlphanumericIdentifierGenerator.java?rev=370241&r1=370240&r2=370241&view=diff
==============================================================================
--- jakarta/commons/sandbox/id/trunk/src/java/org/apache/commons/id/serial/TimeBasedAlphanumericIdentifierGenerator.java (original)
+++ jakarta/commons/sandbox/id/trunk/src/java/org/apache/commons/id/serial/TimeBasedAlphanumericIdentifierGenerator.java Wed Jan 18 12:02:53 2006
@@ -80,7 +80,7 @@
*/
private final int postfixSize;
private final long offset;
-
+
/**
* Construct a TimeBasedAlphanumericIdentifierGenerator with a defined size of the postfix and
* an offset for the time value. The offset can be used to manipulate the representation of the
@@ -130,7 +130,7 @@
}
public String nextStringIdentifier() {
- final long now;
+ long now;
synchronized (this) {
now = Calendar.getInstance(UTC).getTime().getTime(); // JDK 1.3 compatibility
final long diff = now - last;
@@ -139,6 +139,9 @@
last = now;
counter = 0;
} else {
+ if (diff != 0) {
+ now = last; // ignore time shift
+ }
++counter;
}
}
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