Class Cache

Defined in: Utils.jsm.

Class Summary
Constructor Attributes	Constructor Name and Description
	Cache(size) A cache with a fixed capacity, newer entries replace entries that have been stored first.

Field Summary
Field Attributes	Field Name and Description
<private>	_bufferIndex Index in the ring buffer to be written next.
<private>	_ringBuffer Ring buffer storing hash keys, allows determining which keys need to be evicted.
	data Cache data, maps values to the keys.

Method Summary
Method Attributes	Method Name and Description
	add(key, value) Adds a key and the corresponding value to the cache.
	clear() Clears cache contents.

Class Detail

Cache(size)

A cache with a fixed capacity, newer entries replace entries that have been stored first.

Field Detail

<private> {Integer} _bufferIndex

Index in the ring buffer to be written next.

<private> {Array} _ringBuffer

Ring buffer storing hash keys, allows determining which keys need to be evicted.

{Object} data

Cache data, maps values to the keys. Read-only access, for writing use add() method.

Method Detail

add(key, value)

Adds a key and the corresponding value to the cache.

clear()

Clears cache contents.

Classes