Examples with Journal org.apache.jackrabbit.core.journal.Journal used on opensource projects

Example 1 with Journal

use of org.apache.jackrabbit.core.journal.Journal in project jackrabbit by apache.

the class SearchIndex method getChangeLogRecords.

/**
     * Polls the underlying journal for events of the type ChangeLogRecord that
     * happened after a given revision, on a given workspace.
     *
     * @param revision
     *            starting revision
     * @param workspace
     *            the workspace name
     * @return
     */
private List<ChangeLogRecord> getChangeLogRecords(long revision, final String workspace) {
    log.debug("Get changes from the Journal for revision {} and workspace {}.", revision, workspace);
    ClusterNode cn = getContext().getClusterNode();
    if (cn == null) {
        return Collections.emptyList();
    }
    Journal journal = cn.getJournal();
    final List<ChangeLogRecord> events = new ArrayList<ChangeLogRecord>();
    ClusterRecordDeserializer deserializer = new ClusterRecordDeserializer();
    RecordIterator records = null;
    try {
        records = journal.getRecords(revision);
        while (records.hasNext()) {
            Record record = records.nextRecord();
            if (!record.getProducerId().equals(cn.getId())) {
                continue;
            }
            ClusterRecord r = null;
            try {
                r = deserializer.deserialize(record);
            } catch (JournalException e) {
                log.error("Unable to read revision '" + record.getRevision() + "'.", e);
            }
            if (r == null) {
                continue;
            }
            r.process(new ClusterRecordProcessor() {

                public void process(ChangeLogRecord record) {
                    String eventW = record.getWorkspace();
                    if (eventW != null ? eventW.equals(workspace) : workspace == null) {
                        events.add(record);
                    }
                }

                public void process(LockRecord record) {
                }

                public void process(NamespaceRecord record) {
                }

                public void process(NodeTypeRecord record) {
                }

                public void process(PrivilegeRecord record) {
                }

                public void process(WorkspaceRecord record) {
                }
            });
        }
    } catch (JournalException e1) {
        log.error(e1.getMessage(), e1);
    } finally {
        if (records != null) {
            records.close();
        }
    }
    return events;
}

Example 2 with Journal

use of org.apache.jackrabbit.core.journal.Journal in project jackrabbit by apache.

the class RepositoryConfigurationParser method getJournalFactory.

/**
     * Parses journal configuration. Journal configuration uses the following format:
     * <pre>
     *   &lt;Journal class="..."&gt;
     *     &lt;param name="..." value="..."&gt;
     *     ...
     *   &lt;/Journal&gt;
     * </pre>
     * <p>
     * <code>Journal</code> is a {@link #parseBeanConfig(Element,String) bean configuration}
     * element.
     *
     * @param cluster parent cluster element
     * @param home repository home directory
     * @param id cluster node id
     * @return journal factory
     * @throws ConfigurationException if the configuration is broken
     */
protected JournalFactory getJournalFactory(final Element cluster, final File home, final String id) throws ConfigurationException {
    return new JournalFactory() {

        public Journal getJournal(NamespaceResolver resolver) throws RepositoryException {
            BeanConfig config = parseBeanConfig(cluster, JOURNAL_ELEMENT);
            Journal journal = config.newInstance(Journal.class);
            if (journal instanceof AbstractJournal) {
                ((AbstractJournal) journal).setRepositoryHome(home);
            }
            try {
                journal.init(id, resolver);
            } catch (JournalException e) {
                // TODO: Should JournalException extend RepositoryException?
                throw new RepositoryException("Journal initialization failed: " + journal, e);
            }
            return journal;
        }
    };
}