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1   /*
2    * Copyright 2007-2008 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.gwe.persistence.model;
18  
19  /**
20   * @author Marco Ruiz
21   * @since Jan 18, 2008
22   */
23  public class JobInfoIdGenerator extends BaseModelInfoIdGenerator<JobInfo, String> {
24  	
25  	public String generateId(JobInfo infoObj) {
26  		return generateId(infoObj.getOrder().getId(), infoObj.getOrder().getTotalJobsCount(), infoObj.getJobNum());
27  	}
28  	
29  	public static String generateId(Integer orderId, int totalJobsCount, int jobNum) {
30  		return InfoUtils.generateId(orderId, generateJobNum(totalJobsCount, jobNum)); 
31  	}
32  
33  	private static String generateJobNum(int totalJobsCount, int jobNum) {
34  	    int totalDigits = digits(totalJobsCount);
35  		int jobDigits   = digits(jobNum);
36  		String jobNumStr = jobNum + "";
37  		for (; jobDigits < totalDigits; jobDigits++) jobNumStr = "0" + jobNumStr;
38  	    return jobNumStr;
39      }
40  	
41  	private static int digits(int number) {
42  	    return number == 0 ? 1 : 1 + (int)Math.log10(number);
43      }
44  }