@Override
public CompositeData[] browse(String filterStr) throws Exception {
checkStarted();
clearIO();
try {
int pageSize =
addressSettingsRepository
.getMatch(queue.getName().toString())
.getManagementBrowsePageSize();
int currentPageSize = 0;
ArrayList<CompositeData> c = new ArrayList<>();
Filter filter = FilterImpl.createFilter(filterStr);
queue.flushExecutor();
try (LinkedListIterator<MessageReference> iterator = queue.totalIterator()) {
while (iterator.hasNext() && currentPageSize++ < pageSize) {
MessageReference ref = iterator.next();
if (filter == null || filter.match(ref.getMessage())) {
c.add(OpenTypeSupport.convert(ref));
}
}
CompositeData[] rc = new CompositeData[c.size()];
c.toArray(rc);
return rc;
}
} catch (ActiveMQException e) {
throw new IllegalStateException(e.getMessage());
} finally {
blockOnIO();
}
}
@Override
public long countMessages(final String filterStr) throws Exception {
checkStarted();
clearIO();
try {
Filter filter = FilterImpl.createFilter(filterStr);
if (filter == null) {
return getMessageCount();
} else {
try (LinkedListIterator<MessageReference> iterator = queue.totalIterator()) {
int count = 0;
while (iterator.hasNext()) {
MessageReference ref = iterator.next();
if (filter.match(ref.getMessage())) {
count++;
}
}
return count;
}
}
} finally {
blockOnIO();
}
}
@Override
public Map<String, Object>[] listMessages(final String filterStr) throws Exception {
checkStarted();
clearIO();
try {
Filter filter = FilterImpl.createFilter(filterStr);
List<Map<String, Object>> messages = new ArrayList<>();
queue.flushExecutor();
try (LinkedListIterator<MessageReference> iterator = queue.totalIterator()) {
while (iterator.hasNext()) {
MessageReference ref = iterator.next();
if (filter == null || filter.match(ref.getMessage())) {
Message message = ref.getMessage();
messages.add(message.toMap());
}
}
return messages.toArray(new Map[messages.size()]);
}
} catch (ActiveMQException e) {
throw new IllegalStateException(e.getMessage());
} finally {
blockOnIO();
}
}
protected Map<String, Object>[] getFirstMessage() throws Exception {
checkStarted();
clearIO();
try {
List<Map<String, Object>> messages = new ArrayList<>();
queue.flushExecutor();
try (LinkedListIterator<MessageReference> iterator = queue.totalIterator()) {
// returns just the first, as it's the first only
if (iterator.hasNext()) {
MessageReference ref = iterator.next();
Message message = ref.getMessage();
messages.add(message.toMap());
}
return messages.toArray(new Map[1]);
}
} finally {
blockOnIO();
}
}