The previous code may result in generating duplicate IDs. Here is the corrected
code:
| package org.jboss.ejb.txtimer;
|
| import java.math.BigInteger;
| import java.net.InetAddress;
|
| public class BigIntegerClusteredTimerIdGenerator implements
TimerIdGenerator {
| private static BigInteger nextTimerId = BigInteger.valueOf(0);
| private static String offset = "";
|
| static {
| try {
| byte[] ob = InetAddress.getLocalHost().getAddress();
| for (int i=0; i<ob.length; i++) {
| if (ob[ i ] < 10) {
| offset += "0";
| }
| offset += String.valueOf(ob[ i ]);
| }
| } catch (Exception e) {
| }
| }
|
| public synchronized String nextTimerId() {
| nextTimerId = nextTimerId.add(BigInteger.valueOf(1));
| return offset + nextTimerId.toString();
| }
| }
|
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