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lru.

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This commit is contained in:
Christopher Jeffrey 2016-04-21 16:13:20 -07:00
parent f29aec13f4
commit 381e2c52b9
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GPG Key ID: 8962AB9DE6666BBD
1 changed files with 1 additions and 24 deletions
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lib/bcoin/lru.js
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@ -14,10 +14,9 @@ var assert = utils.assert;
* @constructor * @constructor
* @param {Number} maxSize * @param {Number} maxSize
* @param {Function?} getSize * @param {Function?} getSize
* @param {Function?} onRemove
*/ */
function LRU(maxSize, getSize, onRemove) { function LRU(maxSize, getSize) {
if (!(this instanceof LRU)) if (!(this instanceof LRU))
return new LRU(maxSize, getSize); return new LRU(maxSize, getSize);
@ -25,7 +24,6 @@ function LRU(maxSize, getSize, onRemove) {
this.size = 0; this.size = 0;
this.maxSize = maxSize; this.maxSize = maxSize;
this.getSize = this._createGetSize(getSize); this.getSize = this._createGetSize(getSize);
this.onRemove = onRemove;
this.head = null; this.head = null;
this.tail = null; this.tail = null;
@ -88,8 +86,6 @@ LRU.prototype._compact = function _compact() {
break; break;
this.size -= this._getSize(item); this.size -= this._getSize(item);
delete this.data[item.key]; delete this.data[item.key];
if (this.onRemove)
this.onRemove(item.key, item.value);
next = item.next; next = item.next;
item.prev = null; item.prev = null;
item.next = null; item.next = null;
@ -114,8 +110,6 @@ LRU.prototype.reset = function reset() {
for (item = this.head; item; item = next) { for (item = this.head; item; item = next) {
delete this.data[item.key]; delete this.data[item.key];
if (this.onRemove)
this.onRemove(item.key, item.value);
next = item.next; next = item.next;
item.prev = null; item.prev = null;
item.next = null; item.next = null;
@ -213,8 +207,6 @@ LRU.prototype.remove = function remove(key) {
this.size -= this._getSize(item); this.size -= this._getSize(item);
delete this.data[key]; delete this.data[key];
if (this.onRemove)
this.onRemove(item.key, item.value);
this._removeList(item); this._removeList(item);
@ -313,19 +305,4 @@ LRU.prototype.toArray = function toArray() {
return items; return items;
}; };
/**
* Create an iterator with a `next` method.
* @returns {Function}
*/
LRU.prototype.iterator = function iterator() {
return {
item: { next: this.head },
next: function() {
this.item = this.item.next;
return this.item;
}
};
};
module.exports = LRU; module.exports = LRU;