Revision 6752
Added by ben leinfelder over 12 years ago
| src/edu/ucsb/nceas/metacat/util/DocumentUtil.java | ||
|---|---|---|
| 61 | 61 |
public class DocumentUtil |
| 62 | 62 |
{
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public static AbstractDatabase dbAdapter; |
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private static int documentIdCounter = 0; |
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| 65 |
|
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public static AbstractDatabase dbAdapter; |
|
| 65 | 67 |
|
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private static Logger logMetacat = Logger.getLogger(DocumentUtil.class); |
| 67 | 69 |
private static char separator = '.'; |
| ... | ... | |
| 537 | 539 |
calendar.setTime(trialTime); |
| 538 | 540 |
// using yyyymmddhhmmssmmm by convention (zero padding to preserve places) |
| 539 | 541 |
// will help with looking at logs and especially database tables. |
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String randomStr = (new Double(Math.random())).toString(); |
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randomStr = randomStr.substring(randomStr.length() - 5); // last 5 characters |
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docid.append(String.format("%04d%02d%02d%02d%02d%02d%03d%s",
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// for each millisecond we can support up to 99 before resetting to 0 |
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// NOTE: if you make it larger, docid is too big for a Long |
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if (documentIdCounter > 100) {
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documentIdCounter = 0; |
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} |
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docid.append(String.format("%04d%02d%02d%02d%02d%02d%03d%02d",
|
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| 543 | 548 |
calendar.get(Calendar.YEAR), |
| 544 | 549 |
calendar.get(Calendar.MONTH) + 1, // adjust 0-11 range to 1-12 |
| 545 | 550 |
calendar.get(Calendar.DAY_OF_MONTH), |
| ... | ... | |
| 547 | 552 |
calendar.get(Calendar.MINUTE), |
| 548 | 553 |
calendar.get(Calendar.SECOND), |
| 549 | 554 |
calendar.get(Calendar.MILLISECOND), |
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randomStr)
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documentIdCounter++)
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); |
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if (revision > 0) {
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docid.append(".").append(revision);
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Also available in: Unified diff
only handle 100 (consecutive!) docId generations per millisecond, otherwise the generated docid part is bigger than Long.MAX_VALUE and Metacat cannot fully handle that.