From fbc86ceae5b187c99180cd680f89af55341e4133 Mon Sep 17 00:00:00 2001
From: Julien Dramaix <julien.dramaix@gmail.com>
Date: Sat, 9 Apr 2011 08:07:28 +0000
Subject: [PATCH] HashMap versus JsMap/JsCache

---
 .../JsCollectionVsJavaCollection.gwt.xml      |   7 +
 .../client/JsCollectionVsJavaCollection.java  | 155 ++++++++++++++++++
 .../public/JsCollectionVsJavaCollection.html  |   9 +
 3 files changed, 171 insertions(+)
 create mode 100644 samples/src/main/java/gwtquery/samples/JsCollectionVsJavaCollection.gwt.xml
 create mode 100644 samples/src/main/java/gwtquery/samples/client/JsCollectionVsJavaCollection.java
 create mode 100644 samples/src/main/java/gwtquery/samples/public/JsCollectionVsJavaCollection.html

diff --git a/samples/src/main/java/gwtquery/samples/JsCollectionVsJavaCollection.gwt.xml b/samples/src/main/java/gwtquery/samples/JsCollectionVsJavaCollection.gwt.xml
new file mode 100644
index 00000000..3011cca5
--- /dev/null
+++ b/samples/src/main/java/gwtquery/samples/JsCollectionVsJavaCollection.gwt.xml
@@ -0,0 +1,7 @@
+<module  rename-to='JsCollectionVsJavaCollection'>
+	<inherits name='com.google.gwt.query.Query' />
+	<entry-point
+		class="gwtquery.samples.client.JsCollectionVsJavaCollection">
+	</entry-point>
+</module>
+
diff --git a/samples/src/main/java/gwtquery/samples/client/JsCollectionVsJavaCollection.java b/samples/src/main/java/gwtquery/samples/client/JsCollectionVsJavaCollection.java
new file mode 100644
index 00000000..14c06375
--- /dev/null
+++ b/samples/src/main/java/gwtquery/samples/client/JsCollectionVsJavaCollection.java
@@ -0,0 +1,155 @@
+package gwtquery.samples.client;
+
+import static com.google.gwt.query.client.GQuery.$;
+
+import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.query.client.js.JsCache;
+import com.google.gwt.query.client.js.JsMap;
+import com.google.gwt.user.client.Random;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.RootPanel;
+
+import java.util.HashMap;
+
+public class JsCollectionVsJavaCollection implements EntryPoint{
+  
+  public static final int MAX_ITEMS = 100000;
+  
+  
+  public void onModuleLoad() {
+    
+    Button b = new Button("run test");
+    b.addClickHandler(new ClickHandler() {
+      
+      public void onClick(ClickEvent event) {
+        $(".gwt-label").remove();
+        testJsMapVsHashMap();       
+      }
+    });
+    
+    RootPanel.get().add(b);
+    
+  }
+  
+
+  public void testJsMapVsHashMap() {
+    log("Testing jsMap");
+    
+    log("init phase");
+    for (int i = 0; i < MAX_ITEMS; i++){
+      new String(""+i);
+    }
+    
+    JsCache cache = JsCache.create();
+    JsMap<String, Object> jsMap = cache.cast();
+    
+    log("Testing jsMap : put "+MAX_ITEMS+" items in the map :");
+
+    long ellapsedTime = System.currentTimeMillis();
+    for (int i = 0; i < MAX_ITEMS; i++){
+      jsMap.put(new String(""+i), new Object());
+    }
+    ellapsedTime = System.currentTimeMillis() - ellapsedTime;
+    log(" ellapsed Time : "+ellapsedTime);
+    
+    log("Testing jsMap : do "+MAX_ITEMS+" get in the map :");
+    long totalTime = 0;
+    
+    for (int i = 0 ; i < MAX_ITEMS; i++){
+      int random = Random.nextInt(MAX_ITEMS);
+      ellapsedTime = System.currentTimeMillis();
+      jsMap.get(new String(""+random));
+      totalTime += (System.currentTimeMillis() - ellapsedTime);
+    }
+    log(" ellapsed Time : "+totalTime);
+    
+    log("Testing jsMap : do "+MAX_ITEMS+" exist (JsCache.exists() ) in the cache :");
+    totalTime = 0;
+    
+    for (int i = 0 ; i < MAX_ITEMS; i++){
+      int random = Random.nextInt(MAX_ITEMS);
+      ellapsedTime = System.currentTimeMillis();
+      cache.exists(new String(""+random));
+      totalTime += (System.currentTimeMillis() - ellapsedTime);
+    }
+    log(" ellapsed Time : "+totalTime);
+    
+    log("Testing jsMap : get all keys :");
+    
+    ellapsedTime = System.currentTimeMillis();
+    jsMap.keys();
+    ellapsedTime = System.currentTimeMillis() - ellapsedTime;
+    log(" ellapsed Time : "+ellapsedTime);
+    
+    log("Testing jsMap : get all values (JsCache.elements() ) :");
+    
+    ellapsedTime = System.currentTimeMillis();
+    cache.elements();
+    ellapsedTime = System.currentTimeMillis() - ellapsedTime;
+    log(" ellapsed Time : "+ellapsedTime);
+    
+    log("-------------");
+    log("");
+    
+    HashMap<String, Object> hashMap = new HashMap<String, Object>();
+    
+    log("Testing hashMap : put "+MAX_ITEMS+" items in the map :");
+    ellapsedTime = System.currentTimeMillis();
+    for (int i = 0; i < MAX_ITEMS; i++){
+      hashMap.put(new String(""+i), new Object());
+    }
+    ellapsedTime = System.currentTimeMillis() - ellapsedTime;
+    log(" ellapsed Time : "+ellapsedTime);
+    
+    log("Testing hashMap : do "+MAX_ITEMS+" get in the map :");
+    totalTime = 0;
+    
+    for (int i = 0 ; i < MAX_ITEMS; i++){
+      int random = Random.nextInt(MAX_ITEMS);
+      ellapsedTime = System.currentTimeMillis();
+      hashMap.get(new String(""+random));
+      totalTime += (System.currentTimeMillis() - ellapsedTime);
+    }
+    log(" ellapsed Time : "+totalTime);
+    
+    log("Testing hashMap : do "+MAX_ITEMS+" containsKey() :");
+    totalTime = 0;
+    
+    for (int i = 0 ; i < MAX_ITEMS; i++){
+      int random = Random.nextInt(MAX_ITEMS);
+      ellapsedTime = System.currentTimeMillis();
+      hashMap.containsKey(new String(""+random));
+      totalTime += (System.currentTimeMillis() - ellapsedTime);
+    }
+    log(" ellapsed Time : "+totalTime);
+    
+    log("Testing hashMap : get all keys :");
+    
+    ellapsedTime = System.currentTimeMillis();
+    hashMap.keySet();
+    ellapsedTime = System.currentTimeMillis() - ellapsedTime;
+    log(" ellapsed Time : "+ellapsedTime);
+    
+    log("Testing hashMap : get all values :");
+    
+    ellapsedTime = System.currentTimeMillis();
+    hashMap.values();
+    ellapsedTime = System.currentTimeMillis() - ellapsedTime;
+    log(" ellapsed Time : "+ellapsedTime);
+    
+    log("-------------");
+    
+  }
+
+
+
+
+  public void log(String msg) {
+    RootPanel.get().add(new Label(msg));
+  }
+
+
+}
diff --git a/samples/src/main/java/gwtquery/samples/public/JsCollectionVsJavaCollection.html b/samples/src/main/java/gwtquery/samples/public/JsCollectionVsJavaCollection.html
new file mode 100644
index 00000000..32b9c535
--- /dev/null
+++ b/samples/src/main/java/gwtquery/samples/public/JsCollectionVsJavaCollection.html
@@ -0,0 +1,9 @@
+<html>
+<head>
+<title>GQuery Demo</title>
+<script language="javascript"
+    src="JsCollectionVsJavaCollection.nocache.js" ></script>
+</head>
+<body>
+</body>
+</html>
-- 
2.39.5