com.atlassian.confluence.impl.journal

Class HibernateJournalDao

java.lang.Object

com.atlassian.confluence.impl.journal.HibernateJournalDao

All Implemented Interfaces:

JournalDao

public class HibernateJournalDao
extends Object
implements JournalDao

JournalDao that uses Hibernate for persistence.

Since:

5.6

Constructor Summary

Constructors

Constructor and Description
HibernateJournalDao(org.hibernate.SessionFactory sessionFactory)
HibernateJournalDao(org.hibernate.SessionFactory sessionFactory, com.atlassian.core.util.Clock clock)

Method Summary

Modifier and Type	Method and Description
int	countEntries(@NonNull JournalIdentifier journalId, long afterId, long ignoreWithinMillis) Counts the number of entries in a journal.
long	enqueue(@NonNull JournalEntry entry) Adds the given entry to a journal.
com.atlassian.fugue.Option<JournalEntry>	findEarliestEntry() Finds the earliest journal entry if any.
List<JournalEntry>	findEntries(@NonNull JournalIdentifier journalId, long afterId, long ignoreWithinMillis, int maxEntries) Finds journal entries that were added after an entry with the given id but earlier than given milliseconds ago.
JournalEntry	findEntry(long entryId) Finds the specified journal entry, if it exists.
com.atlassian.fugue.Option<JournalEntry>	findLatestEntry(@NonNull JournalIdentifier journalId, long ignoreWithinMillis) Finds the latest journal entry if any.
com.atlassian.fugue.Option<JournalEntry>	findMostRecentEntryByMessage(@NonNull JournalIdentifier journalId, String message) Finds the most recent journal entry (if any) for the given journal that exactly matches the given journal entry message.
void	queueWithCustomCreationDate(JournalEntry entry, Date creationDate)
int	removeEntriesOlderThan(@NonNull Date date) Removes entries from all journals that were created before the given date.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HibernateJournalDao

public HibernateJournalDao(org.hibernate.SessionFactory sessionFactory)

HibernateJournalDao

public HibernateJournalDao(org.hibernate.SessionFactory sessionFactory,
                           com.atlassian.core.util.Clock clock)

Method Detail

enqueue

public long enqueue(@NonNull JournalEntry entry)

Description copied from interface: JournalDao

Adds the given entry to a journal.

Specified by:

enqueue in interface JournalDao

Parameters:

entry - entry to persist

Returns:

id generated for the entry

queueWithCustomCreationDate

@Internal
public void queueWithCustomCreationDate(JournalEntry entry,
                                                  Date creationDate)

findEntries

public List<JournalEntry> findEntries(@NonNull JournalIdentifier journalId,
                                      long afterId,
                                      long ignoreWithinMillis,
                                      int maxEntries)

Description copied from interface: JournalDao

Finds journal entries that were added after an entry with the given id but earlier than given milliseconds ago. Entries are returned in ascending order of their identifier.

This method can miss some entries due to identifier assignment and entry insertion not being an atomic operation. The risk of missed entries can be reduced in two ways:

1. Create new entries as close to transaction commit as possible.
2. Increase ignoreSinceMillis value.

Specified by:

findEntries in interface JournalDao

Parameters:

journalId - only entries with this journal id will be returned

afterId - only entries with id higher than this will be returned

ignoreWithinMillis - only entries created this many milliseconds ago or earlier will be returned

maxEntries - maximum number of entries to process

Returns:

journal entries that were added after an entry with the given id

findMostRecentEntryByMessage

public com.atlassian.fugue.Option<JournalEntry> findMostRecentEntryByMessage(@NonNull JournalIdentifier journalId,
                                                                             String message)

Description copied from interface: JournalDao

Finds the most recent journal entry (if any) for the given journal that exactly matches the given journal entry message.

Note that this operation is likely to EXTREMELY SLOW when the journal gets above a certain size. Do not use in production code.

Specified by:

findMostRecentEntryByMessage in interface JournalDao

Parameters:

journalId - only entries with this journal id will be returned

message - the exact text of the journal entry message

Returns:

the Optional journal entry matching the search

removeEntriesOlderThan

public int removeEntriesOlderThan(@NonNull Date date)

Description copied from interface: JournalDao

Removes entries from all journals that were created before the given date.

Specified by:

removeEntriesOlderThan in interface JournalDao

Parameters:

date - only entried with a date later than this will be returned

Returns:

number of removed entries

findLatestEntry

public com.atlassian.fugue.Option<JournalEntry> findLatestEntry(@NonNull JournalIdentifier journalId,
                                                                long ignoreWithinMillis)

Description copied from interface: JournalDao

Finds the latest journal entry if any.

Specified by:

findLatestEntry in interface JournalDao

Parameters:

journalId - identifier of the journal

ignoreWithinMillis - only entry created this many milliseconds ago or earlier will be returned

Returns:

the latest journal entry

findEarliestEntry

public com.atlassian.fugue.Option<JournalEntry> findEarliestEntry()

Description copied from interface: JournalDao

Finds the earliest journal entry if any.

Specified by:

findEarliestEntry in interface JournalDao

Returns:

the earliest journal entry across all journals

findEntry

public JournalEntry findEntry(long entryId)

Description copied from interface: JournalDao

Finds the specified journal entry, if it exists.

Specified by:

findEntry in interface JournalDao

Parameters:

entryId - identifier of the journal entry

Returns:

the journal entry matching the given id

countEntries

public int countEntries(@NonNull JournalIdentifier journalId,
                        long afterId,
                        long ignoreWithinMillis)

Description copied from interface: JournalDao

Counts the number of entries in a journal.

Specified by:

countEntries in interface JournalDao

Parameters:

journalId - identifier of the journal

afterId - only entries with id higher than this will be returned

ignoreWithinMillis - only entries created this many milliseconds ago or earlier will be returned