Revision 10106
Added by Jing Tao almost 8 years ago
| src/edu/ucsb/nceas/metacat/dataone/D1NodeService.java | ||
|---|---|---|
| 1790 | 1790 |
" already obsoletes the pid "+sysmeta.getObsoletes().getValue() +". You can't set the object "+pid.getValue()+" to obsolete the pid "+sysmeta.getObsoletes().getValue()+" again."); |
| 1791 | 1791 |
} |
| 1792 | 1792 |
} |
| 1793 |
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checkCircularObsoletesChain(sysmeta); |
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| 1794 | 1794 |
if(currentSysmeta.getObsoletedBy() == null && sysmeta.getObsoletedBy() != null) {
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| 1795 | 1795 |
//we are setting a value to the obsoletedBy field, so we should make sure that the no another object obsoletes the pid we are updating. |
| 1796 | 1796 |
String obsoletedBy = existsInObsoletedBy(sysmeta.getObsoletedBy()); |
| ... | ... | |
| 1799 | 1799 |
" already is obsoleted by the pid "+sysmeta.getObsoletedBy().getValue() +". You can't set the pid "+pid.getValue()+" to be obsoleted by the pid "+sysmeta.getObsoletedBy().getValue()+" again."); |
| 1800 | 1800 |
} |
| 1801 | 1801 |
} |
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checkCircularObsoletedByChain(sysmeta); |
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| 1802 | 1803 |
} |
| 1803 | 1804 |
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// do the actual update |
| ... | ... | |
| 1920 | 1921 |
} |
| 1921 | 1922 |
} |
| 1922 | 1923 |
} |
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/** |
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* Try to check the scenario of a circular obsoletes chain: |
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* A obsoletes B |
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* B obsoletes C |
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* C obsoletes A |
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* @param sys |
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* @throws InvalidRequest |
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*/ |
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private void checkCircularObsoletesChain(SystemMetadata sys) throws InvalidRequest {
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if(sys != null && sys.getObsoletes() != null && sys.getObsoletes().getValue() != null && !sys.getObsoletes().getValue().trim().equals("")) {
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logMetacat.debug("D1NodeService.checkCircularObsoletesChain - the object "+sys.getIdentifier().getValue() +" obsoletes "+sys.getObsoletes().getValue());
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if(sys.getObsoletes().getValue().equals(sys.getIdentifier().getValue())) {
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// the obsoletes field points to itself and creates a circular chain |
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throw new InvalidRequest("4869", "The obsoletes field and identifier of the system metadata has the same value "+sys.getObsoletes().getValue()+
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". This creates a circular chain and it is illegal."); |
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} else {
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Vector <Identifier> pidList = new Vector<Identifier>(); |
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pidList.add(sys.getIdentifier()); |
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SystemMetadata obsoletesSym = HazelcastService.getInstance().getSystemMetadataMap().get(sys.getObsoletes()); |
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while (obsoletesSym != null && obsoletesSym.getObsoletes() != null && obsoletesSym.getObsoletes().getValue() != null && !obsoletesSym.getObsoletes().getValue().trim().equals("")) {
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pidList.add(obsoletesSym.getIdentifier()); |
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logMetacat.debug("D1NodeService.checkCircularObsoletesChain - the object "+obsoletesSym.getIdentifier().getValue() +" obsoletes "+obsoletesSym.getObsoletes().getValue());
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/*for(Identifier id: pidList) {
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logMetacat.debug("D1NodeService.checkCircularObsoletesChain - the pid in the chanin"+id.getValue());
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}*/ |
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if(pidList.contains(obsoletesSym.getObsoletes())) {
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logMetacat.error("D1NodeService.checkCircularObsoletesChain - when Metacat updated the system metadata of object "+sys.getIdentifier().getValue()+", it found the obsoletes field value "+sys.getObsoletes().getValue()+
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" in its new system metadata creating a circular chain at the object "+obsoletesSym.getObsoletes().getValue()+". This is illegal"); |
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throw new InvalidRequest("4869", "When Metacat updated the system metadata of object "+sys.getIdentifier().getValue()+", it found the obsoletes field value "+sys.getObsoletes().getValue()+
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" in its new system metadata creating a circular chain at the object "+obsoletesSym.getObsoletes().getValue()+". This is illegal"); |
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} else {
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obsoletesSym = HazelcastService.getInstance().getSystemMetadataMap().get(obsoletesSym.getObsoletes()); |
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} |
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} |
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} |
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} |
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} |
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/** |
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* Try to check the scenario of a circular obsoletedBy chain: |
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* A obsoletedBy B |
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* B obsoletedBy C |
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* C obsoletedBy A |
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* @param sys |
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* @throws InvalidRequest |
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*/ |
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private void checkCircularObsoletedByChain(SystemMetadata sys) throws InvalidRequest {
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if(sys != null && sys.getObsoletedBy() != null && sys.getObsoletedBy().getValue() != null && !sys.getObsoletedBy().getValue().trim().equals("")) {
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logMetacat.debug("D1NodeService.checkCircularObsoletedByChain - the object "+sys.getIdentifier().getValue() +" is obsoletedBy "+sys.getObsoletedBy().getValue());
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if(sys.getObsoletedBy().getValue().equals(sys.getIdentifier().getValue())) {
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// the obsoletedBy field points to itself and creates a circular chain |
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throw new InvalidRequest("4869", "The obsoletedBy field and identifier of the system metadata has the same value "+sys.getObsoletedBy().getValue()+
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". This creates a circular chain and it is illegal."); |
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} else {
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Vector <Identifier> pidList = new Vector<Identifier>(); |
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pidList.add(sys.getIdentifier()); |
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SystemMetadata obsoletedBySym = HazelcastService.getInstance().getSystemMetadataMap().get(sys.getObsoletedBy()); |
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while (obsoletedBySym != null && obsoletedBySym.getObsoletedBy() != null && obsoletedBySym.getObsoletedBy().getValue() != null && !obsoletedBySym.getObsoletedBy().getValue().trim().equals("")) {
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pidList.add(obsoletedBySym.getIdentifier()); |
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logMetacat.debug("D1NodeService.checkCircularObsoletedByChain - the object "+obsoletedBySym.getIdentifier().getValue() +" is obsoletedBy "+obsoletedBySym.getObsoletedBy().getValue());
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/*for(Identifier id: pidList) {
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logMetacat.debug("D1NodeService.checkCircularObsoletedByChain - the pid in the chanin"+id.getValue());
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}*/ |
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if(pidList.contains(obsoletedBySym.getObsoletedBy())) {
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logMetacat.error("D1NodeService.checkCircularObsoletedByChain - When Metacat updated the system metadata of object "+sys.getIdentifier().getValue()+", it found the obsoletedBy field value "+sys.getObsoletedBy().getValue()+
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" in its new system metadata creating a circular chain at the object "+obsoletedBySym.getObsoletedBy().getValue()+". This is illegal"); |
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throw new InvalidRequest("4869", "When Metacat updated the system metadata of object "+sys.getIdentifier().getValue()+", it found the obsoletedBy field value "+sys.getObsoletedBy().getValue()+
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" in its new system metadata creating a circular chain at the object "+obsoletedBySym.getObsoletedBy().getValue()+". This is illegal"); |
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} else {
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obsoletedBySym = HazelcastService.getInstance().getSystemMetadataMap().get(obsoletedBySym.getObsoletedBy()); |
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} |
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} |
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} |
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} |
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} |
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| 1923 | 2002 |
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/** |
| 1925 | 2004 |
* Given a Permission, returns a list of all permissions that it encompasses |
Also available in: Unified diff
Add methods to check if there are circular obsoletes/obsoletedBy chains in the mn.updateSystemmetadata method.