From 6534ffea26bc97ca8d0f59aa21983e6fd0af5720 Mon Sep 17 00:00:00 2001
From: Julien Fontanet <julien.fontanet@isonoe.net>
Date: Tue, 10 May 2016 14:55:19 +0200
Subject: [PATCH] perf(objects): memoize () => this._pool

---
 packages/xen-api/src/index.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/xen-api/src/index.js b/packages/xen-api/src/index.js
index a6354f7d4..20b9c82b8 100644
--- a/packages/xen-api/src/index.js
+++ b/packages/xen-api/src/index.js
@@ -253,10 +253,13 @@ export class Xapi extends EventEmitter {
     this.on('connected', this._watchEvents)
     this.on('disconnected', () => {
       this._fromToken = ''
-      objects.clear()
+      // objects.clear()
     })
 
     this._readOnly = Boolean(opts.readOnly)
+
+    // Memoize this function _addObject().
+    this._getPool = () => this._pool
   }
 
   get readOnly () {
@@ -557,7 +560,7 @@ export class Xapi extends EventEmitter {
     // All custom properties are read-only and non enumerable.
     defineProperties(object, {
       $id: { value: object.uuid || ref },
-      $pool: { get: () => this._pool },
+      $pool: { get: this._getPool },
       $ref: { value: ref },
       $type: { value: type }
     })