bkeyser
Posts:
13
From:
Broomfield, CO, US
Registered:
Jun 5, 2007
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Explanation of locking ....
Posted:
Jun 26, 2007 2:35 AM
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Hi,
While trying to create a survey the following steps are performed
Survey survey = SurveyManager.create(user, folderId);
survey.setSurveyName(....);
SurveyManager.updateSurvey(user, survey.getSurveyId());
However, a LockException is being thrown. I have tried modifying the above segment to include a release of lock
Survey survey = ...
survey.releaseLock();
SurveyManager.updateSurvey(user, survey.getSurveyId());
survey.setName(...);
SurveyManager.updateSurvey(user, survey.getSurveyId());
However, it is still throwing a lock exception. Can someone please describe the guidelines for handling locks?
Thanks,
Brian
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torgeir
Posts:
1,096
From:
Oslo
Registered:
Jun 20, 2002
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Re: Explanation of locking ....
Posted:
Jun 27, 2007 8:02 PM
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It should work. I ran the following, and it worked fine:
// create a test user
User testUser = UserManager.createUser(adminUser, "testuser", "testuser", "tst@nowhere.com", null);
UserManager.grantFolderPermission(adminUser, testUser.getUserId(), mainFolderId, UserManager.PERMISSION_ADMIN);
testUser = UserManager.getUser("testuser");
// create survey:
Survey testSurvey = SurveyManager.createSurvey(testUser, -1);
surveyId2 = testSurvey.getSurveyId();
SurveyManager.updateSurvey(testUser, testSurvey.getSurveyId());
testSurvey.setSurveyName("Test Survey by testuser");
SurveyManager.updateSurvey(testUser, surveyId2);
Are you sure you don't have another user locking it somehow in the meantime?
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bkeyser
Posts:
13
From:
Broomfield, CO, US
Registered:
Jun 5, 2007
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Re: Explanation of locking ....
Posted:
Jun 30, 2007 12:51 AM
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Hi Torgeir,
This method worked. The key was was calling the first update. You might consider updating the javadoc to help others out ....
Thanks,
Brian
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