public String getRandom4ID(final Long _id)
    {
        final String rid = RandomUtil.randomAlphanumeric(8);
        this.random2id.put(rid, _id);
        return rid;
    }
public String getRandom4ID(final Long _id)
    {
        final String rid = RandomUtil.randomAlphanumeric(8);
        this.random2id.put(rid, _id);
        return rid;
    }
public String getRandom4ID ( final Long _id ) { final String rid = RandomUtil . randomAlphanumeric ( 8 ) ; this . random2id . put ( rid , _id ) ; return rid ; }
Gets the random for ID.

@param _id the id
@return the random for ID
Gets the random for ID .