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Improvement to AuthorityDAOImpl to not perform pointless checks (DB getChildAssoc query) to see if a ROLE_ is a person, it never can be and null results aren't cached. This saves a DB query at the start of many REST API calls (as authenticated WS calls first check isGuest() etc.).

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YourKit profiler results for Share READ heavy multi-user JMeter test:
Before: 220s
After: 200s
Specifically; org.alfresco.repo.security.authority.AuthorityServiceImpl.hasGuestAuthority() - before 26.7s - after 0.041s

Unit tests run:
org.alfresco.repo.security.SecurityTestSuite
org.alfresco.repo.security.authentication.*Test
org.alfresco.repo.security.authority.*Test
org.alfresco.repo.security.person.PersonTest


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@55761 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Kevin Roast
2013-09-20 15:38:52 +00:00
parent 359dc9fc1f
commit c5fafd6ad4
1 changed files with 21 additions and 22 deletions
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43
source/java/org/alfresco/repo/security/authority/AuthorityDAOImpl.java
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@@ -1260,34 +1260,33 @@ public class AuthorityDAOImpl implements AuthorityDAO, NodeServicePolicies.Befor
}
}
private NodeRef getAuthorityOrNull(String name)
private NodeRef getAuthorityOrNull(final String name)
{
try
{
if (AuthorityType.getAuthorityType(name).equals(AuthorityType.USER))
final AuthorityType authType = AuthorityType.getAuthorityType(name);
switch (authType)
{
return personService.getPerson(name, false);
}
else if (AuthorityType.getAuthorityType(name).equals(AuthorityType.GUEST))
{
return personService.getPerson(name, false);
}
else if (AuthorityType.getAuthorityType(name).equals(AuthorityType.ADMIN))
{
return personService.getPerson(name, false);
}
else
{
Pair <String, String> cacheKey = cacheKey(name);
NodeRef result = authorityLookupCache.get(cacheKey);
if (result == null)
case USER:
return personService.getPerson(name, false);
case GUEST:
case ADMIN:
case EVERYONE:
case OWNER:
return null;
default:
{
List<ChildAssociationRef> results = nodeService.getChildAssocs(getAuthorityContainer(),
ContentModel.ASSOC_CHILDREN, QName.createQName("cm", name, namespacePrefixResolver), false);
result = results.isEmpty() ? NULL_NODEREF :results.get(0).getChildRef();
authorityLookupCache.put(cacheKey, result);
Pair <String, String> cacheKey = cacheKey(name);
NodeRef result = authorityLookupCache.get(cacheKey);
if (result == null)
{
List<ChildAssociationRef> results = nodeService.getChildAssocs(getAuthorityContainer(),
ContentModel.ASSOC_CHILDREN, QName.createQName("cm", name, namespacePrefixResolver), false);
result = results.isEmpty() ? NULL_NODEREF :results.get(0).getChildRef();
authorityLookupCache.put(cacheKey, result);
}
return result.equals(NULL_NODEREF) ? null : result;
}
return result.equals(NULL_NODEREF) ? null : result;
}
}
catch (NoSuchPersonException e)