/**
* Read all indexes that for the given event type that match the given constraint from the given
* typed event repo This method will attempt to find the best possible way of retrieving index
* data given the indexes that exists in this {@link Indexing}
*
* @param eventTypeId {@link Long} event type id
* @param constraint {@link FieldConstraint}
* @param typedEventRepo {@link TypedEventRepo} where event data can be read from
* @return
*/
public Iterable<EventId> readIndicies(
EventTypeId eventTypeId, FieldConstraint constraint, TypedEventRepo typedEventRepo) {
if (constraint.hasConstraint()) {
EventFieldId eventFieldId = new EventFieldId(eventTypeId, constraint.getFieldName());
if (eventFieldIndexing.isIndexing(eventFieldId)) {
return eventFieldIndexing.getIterable(eventFieldId, constraint);
} else {
return new FallbackFilteringEventIdIterable(
eventIndexing.getIndexEntryIterable(eventTypeId), constraint, typedEventRepo);
}
} else {
return eventIndexing.getIndexEntryIterable(eventTypeId);
}
}
@Override
public void onNewEvent(long eventId, EventSerializer ed, Object event) {
eventIndexing.onNewEvent(eventId, ed, event);
eventFieldIndexing.onNewEvent(eventId, ed, event);
}
public EventRepoReport report() {
EventRepoReport report = new EventRepoReport().appendLine(Indexing.class.getSimpleName());
report.appendReport("EventIndexing", eventIndexing.report());
report.appendLine("IndexUpdater: " + indexUpdater.getClass().getSimpleName());
return report;
}
/**
* Stops this {@link Indexing} and closes all associated files. This indexing is no longer usable
* after this method has been called.
*/
public void stop() {
eventIndexing.stop();
eventFieldIndexing.stop();
indexUpdater.stop();
}