From e2e8508aeccd019d39b04bf4260ae28fbe90df36 Mon Sep 17 00:00:00 2001
From: Aleksey Kosylo <akosylo@dxfeed.com>
Date: Fri, 22 Mar 2024 15:55:16 +0100
Subject: [PATCH] create endpoint only at first time

---
 .../QuoteTableApp/Base.lproj/Main.storyboard  |  9 +++----
 .../QuoteTableViewController.swift            | 25 ++++++++-----------
 2 files changed, 15 insertions(+), 19 deletions(-)

diff --git a/Samples/QuoteTableApp/Base.lproj/Main.storyboard b/Samples/QuoteTableApp/Base.lproj/Main.storyboard
index 5c7effaf3..b73d8b3d6 100644
--- a/Samples/QuoteTableApp/Base.lproj/Main.storyboard
+++ b/Samples/QuoteTableApp/Base.lproj/Main.storyboard
@@ -225,9 +225,8 @@
                                 </connections>
                             </switch>
                             <button opaque="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" contentHorizontalAlignment="fill" contentVerticalAlignment="fill" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="er8-zz-YEu">
-                                <rect key="frame" x="343" y="58.666666666666657" width="40" height="35"/>
+                                <rect key="frame" x="337" y="58.666666666666657" width="46" height="35"/>
                                 <constraints>
-                                    <constraint firstAttribute="width" constant="40" id="4Pc-Oc-hIj"/>
                                     <constraint firstAttribute="height" constant="35" id="jDE-l3-0g0"/>
                                 </constraints>
                                 <state key="normal" title="Button"/>
@@ -321,7 +320,7 @@
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Cbg-fQ-Qn4">
-                                                    <rect key="frame" x="0.0" y="0.0" width="353" height="90"/>
+                                                    <rect key="frame" x="10" y="0.0" width="353" height="90"/>
                                                     <subviews>
                                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" text="--------------" textAlignment="natural" lineBreakMode="wordWrap" numberOfLines="2" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Ybg-Bu-TvM">
                                                             <rect key="frame" x="10" y="0.0" width="333" height="90"/>
@@ -341,8 +340,8 @@
                                             </subviews>
                                             <constraints>
                                                 <constraint firstAttribute="bottom" secondItem="Cbg-fQ-Qn4" secondAttribute="bottom" constant="10" id="Ay3-cZ-fSy"/>
-                                                <constraint firstAttribute="trailing" secondItem="Cbg-fQ-Qn4" secondAttribute="trailing" constant="20" symbolic="YES" id="MQP-kV-3o6"/>
-                                                <constraint firstItem="Cbg-fQ-Qn4" firstAttribute="leading" secondItem="3S8-DK-dno" secondAttribute="leading" id="n3Z-BQ-GI7"/>
+                                                <constraint firstAttribute="trailing" secondItem="Cbg-fQ-Qn4" secondAttribute="trailing" constant="10" id="MQP-kV-3o6"/>
+                                                <constraint firstItem="Cbg-fQ-Qn4" firstAttribute="leading" secondItem="3S8-DK-dno" secondAttribute="leading" constant="10" id="n3Z-BQ-GI7"/>
                                                 <constraint firstItem="Cbg-fQ-Qn4" firstAttribute="top" secondItem="3S8-DK-dno" secondAttribute="top" id="nKb-Lk-Uo1"/>
                                             </constraints>
                                         </tableViewCellContentView>
diff --git a/Samples/QuoteTableApp/QuoteTableViewController.swift b/Samples/QuoteTableApp/QuoteTableViewController.swift
index f74754fbc..e9078ae2d 100644
--- a/Samples/QuoteTableApp/QuoteTableViewController.swift
+++ b/Samples/QuoteTableApp/QuoteTableViewController.swift
@@ -52,22 +52,20 @@ class QuoteTableViewController: UIViewController {
     func subscribe(_ unlimited: Bool) {
         print("UI Current thread \(Thread.current)")
 
-        if endpoint != nil {
-            try? endpoint?.disconnect()
-//            try? endpoint?.disconnectAndClear()
-//            try? endpoint?.close()
+        if endpoint == nil {
+            try? SystemProperty.setProperty(DXEndpoint.ExtraPropery.heartBeatTimeout.rawValue, "15s")
+
+            let builder = try? DXEndpoint.builder().withRole(.feed)
+            if !unlimited {
+                _ = try? builder?.withProperty(DXEndpoint.Property.aggregationPeriod.rawValue, "1")
+            }
+            endpoint = try? builder?.build()
+            endpoint?.add(listener: self)
+            _ = try? endpoint?.connect("demo.dxfeed.com:7300")
+        } else {
             subscription = nil
             profileSubscription = nil
         }
-        try? SystemProperty.setProperty(DXEndpoint.ExtraPropery.heartBeatTimeout.rawValue, "15s")
-
-        let builder = try? DXEndpoint.builder().withRole(.feed)
-        if !unlimited {
-            _ = try? builder?.withProperty(DXEndpoint.Property.aggregationPeriod.rawValue, "1")
-        }
-        endpoint = try? builder?.build()
-        endpoint?.add(listener: self)
-        _ = try? endpoint?.connect("demo.dxfeed.com:7300")
 
         subscription = try? endpoint?.getFeed()?.createSubscription(Quote.self)
         profileSubscription = try? endpoint?.getFeed()?.createSubscription(Profile.self)
@@ -89,7 +87,6 @@ class QuoteTableViewController: UIViewController {
         if let newView = self.storyboard?.instantiateViewController(withIdentifier: "SymbolsViewController") as? SymbolsViewController {
             self.navigationController?.pushViewController(newView, animated: true)
         }
-
     }
 }