rqt_bag.timeline_cache.TimelineCache Class Reference

Inheritance diagram for rqt_bag.timeline_cache.TimelineCache:

Public Member Functions
def	__init__ (self, loader, listener=None, max_cache_size=100)
def	cache_item (self, topic, t, item)
def	enqueue (self, entry)
def	get_item (self, topic, stamp, time_threshold)
def	run (self)
def	stop (self)

Public Attributes
	item_access
	items
	last_accessed
	listener
	loader
	lock
	max_cache_size
	queue
	stop_flag

Private Member Functions
def	_limit_cache (self)
def	_update_last_accessed (self, topic, stamp)

Detailed Description

Caches items for timeline renderers

Definition at line 43 of file timeline_cache.py.

Constructor & Destructor Documentation

__init__()

def rqt_bag.timeline_cache.TimelineCache.__init__	(		self,
			loader,
			listener = None,
			max_cache_size = 100
	)

Definition at line 49 of file timeline_cache.py.

Member Function Documentation

_limit_cache()

def rqt_bag.timeline_cache.TimelineCache._limit_cache (   self )

private

Removes LRU's from cache until size of each topic's cache is <= max_cache_size.

Definition at line 164 of file timeline_cache.py.

_update_last_accessed()

def rqt_bag.timeline_cache.TimelineCache._update_last_accessed (   self,   topic,   stamp  )

private

Maintains a sorted list of cache accesses by timestamp for each topic.

Definition at line 138 of file timeline_cache.py.

cache_item()

def rqt_bag.timeline_cache.TimelineCache.cache_item	(		self,
			topic,
			t,
			item
	)

Definition at line 93 of file timeline_cache.py.

enqueue()

def rqt_bag.timeline_cache.TimelineCache.enqueue	(		self,
			entry
	)

Definition at line 90 of file timeline_cache.py.

get_item()

def rqt_bag.timeline_cache.TimelineCache.get_item	(		self,
			topic,
			stamp,
			time_threshold
	)

Definition at line 107 of file timeline_cache.py.

run()

def rqt_bag.timeline_cache.TimelineCache.run

(

self

)

Definition at line 64 of file timeline_cache.py.

stop()

def rqt_bag.timeline_cache.TimelineCache.stop

(

self

)

Definition at line 180 of file timeline_cache.py.

Member Data Documentation

item_access

rqt_bag.timeline_cache.TimelineCache.item_access

Definition at line 58 of file timeline_cache.py.

items

rqt_bag.timeline_cache.TimelineCache.items

Definition at line 56 of file timeline_cache.py.

last_accessed

rqt_bag.timeline_cache.TimelineCache.last_accessed

Definition at line 57 of file timeline_cache.py.

listener

rqt_bag.timeline_cache.TimelineCache.listener

Definition at line 53 of file timeline_cache.py.

loader

rqt_bag.timeline_cache.TimelineCache.loader

Definition at line 52 of file timeline_cache.py.

lock

rqt_bag.timeline_cache.TimelineCache.lock

Definition at line 55 of file timeline_cache.py.

max_cache_size

rqt_bag.timeline_cache.TimelineCache.max_cache_size

Definition at line 59 of file timeline_cache.py.

queue

rqt_bag.timeline_cache.TimelineCache.queue

Definition at line 60 of file timeline_cache.py.

stop_flag

rqt_bag.timeline_cache.TimelineCache.stop_flag

Definition at line 54 of file timeline_cache.py.

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The documentation for this class was generated from the following file:

• timeline_cache.py