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Hadoop >> mail # dev >> Reg:Sequence id generation


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abhishek dodda 2012-06-07, 12:44
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shashwat shriparv 2012-06-07, 13:22
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Re: Reg:Sequence id generation
Actually trying to code this using map reduce program.

On Thu, Jun 7, 2012 at 6:22 AM, shashwat shriparv
<[EMAIL PROTECTED]> wrote:
> Try something like this :
>
>
> public class MyUniqueNumber
> {
>    private static MyUniqueNumber myUniqueNumber;
>    int number;
>    int seedValue=365432; //custom seed value to begin with
>
>    private MyUniqueNumber(){ //Singleton !!!
>        number=seedValue; //init to zero
>    }
>
>    public static MyUniqueNumber getInstance(){
>        if(myUniqueNumber==null){
>            myUniqueNumber=new MyUniqueNumber();
>        }
>        return myUniqueNumber;
>    }
>
>    public int getUniqueNumber(){
>        number+=1; //simple increment by 1 , you can modify this further
>        return number;
>    }
>    public static void main(String[] args)
>    {
>        MyUniqueNumber myUniqueNumber=MyUniqueNumber.getInstance();
>        for(int n=0;n<=5;n++){
>            System.out.println("read number:
> "+myUniqueNumber.getUniqueNumber());
>        }
>    }
> }
>
>
> On Thu, Jun 7, 2012 at 6:14 PM, abhishek dodda <[EMAIL PROTECTED]>wrote:
>
>> hi all,
>>
>>       I have a scenario where i should generate the sequence id . All
>> my tables are in DB2
>>
>
>
>
> --
>
>
> ∞
> Shashwat Shriparv
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shashwat shriparv 2012-06-07, 13:22
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abhishek dodda 2012-06-07, 12:50
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Ashish 2012-06-07, 13:27
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Harsh J 2012-06-07, 14:12
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abhishek dodda 2012-06-07, 14:38
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB