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[Seif Lotfy <seif@xxxxxxxxx>]

Blueprint changed by Seif Lotfy:

Whiteboard set to:
Imagine the following event sequence:

open(w), open(z), open(x), close(z), open(y), close(x), close(w),
close(y)

The two methods I propose are:
---
def FindEventsEncapsulatedBy(self, time_range, event_templates,
		result_event_templates, storage_state, num_events, result_type):

if i query this with x i check for all events with x and create transactions based on the open(x) & close(x). everything lying in between them is encapsulated thus the return here will be close(z), open(y)
---
def FindEventsEncapsulating(self, time_range, event_templates,
		result_event_templates, storage_state, num_events, result_type):

if i query this with x i check for all events with x it will look for all transactions that have x in them
int this case z and w

-- 
Advanced API calls
https://blueprints.edge.launchpad.net/zeitgeist/+spec/advanced-api