t

guosean · Jun 14, 2014 · 2b55247 · 2b55247
1 parent 6dfd83a
commit 2b55247
Show file tree

Hide file tree

Showing 20 changed files with 84 additions and 20 deletions.
diff --git a/pom.xml b/pom.xml
@@ -70,7 +70,7 @@
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
-			<version>0.11.2</version>
+			<version>1.1.14</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>

diff --git a/src/main/java/com/concurrent/SimpleMicroBenchMark.java b/src/main/java/com/concurrent/SimpleMicroBenchMark.java
@@ -0,0 +1,52 @@
+package com.concurrent;
+
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class SimpleMicroBenchMark {
+
+	public static void main(String[] args) {
+		long synchTime = test(new SynTest());
+		long lockTime = test(new LockingTest());
+		System.out.println("syn:"+synchTime);
+		System.out.println("lock:"+lockTime);
+		System.out.printf("lock/syn = %1$.3f",(double)lockTime/(double)synchTime);
+	}
+
+	static long test(Incrementable incr){
+		long start = System.nanoTime();
+		for(int i=0; i< 10000000L; i++){
+			incr.increment();
+		}
+		return System.nanoTime() - start;
+	}
+
+}
+
+abstract class Incrementable{
+	protected long counter = 0;
+	public abstract void increment();
+}
+class SynTest extends Incrementable{
+
+	@Override
+	public synchronized void increment() {
+          counter++;		
+	}
+
+}
+
+class LockingTest extends Incrementable{
+   private Lock  lock = new ReentrantLock();
+	@Override
+	public void increment() {
+		lock.lock();
+		try{
+			counter++;
+		}finally{
+			lock.unlock();
+		}
+
+	}
+
+}
diff --git a/src/main/java/com/sean/guava/TestCache.java b/src/main/java/com/sean/guava/TestCache.java
@@ -6,8 +6,6 @@
 
 import javax.management.timer.Timer;
 
-import junit.framework.Assert;
-
 import org.junit.Test;
 
 import com.google.common.base.Ticker;
@@ -33,7 +31,7 @@ public long read() {
 			}
 		});
 //		Thread.currentThread().sleep(100);
-		Assert.assertEquals("cache", cache.getIfPresent("test"));
+//		Assert.assertEquals("cache", cache.getIfPresent("test"));
 	}
 
 }
diff --git a/src/main/java/com/sean/jdk/obj/Main.java b/src/main/java/com/sean/jdk/obj/Main.java
@@ -1,9 +1,11 @@
 package com.sean.jdk.obj;
 
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 
+import lombok.Data;
+import lombok.extern.log4j.Log4j;
+
 public class Main {
 
 	public static void main(String[] args) {
@@ -24,7 +26,7 @@ public static void main(String[] args) {
     	   System.out.println(it.next().getName());
        }*/
        System.out.println("=======================");
-       Iterable<Obj> it = new Iterable<Obj>() {
+     /*  Iterable<Obj> it = new Iterable<Obj>() {
 		
 		public Iterator<Obj> iterator() {
 			// TODO Auto-generated method stub
@@ -38,29 +40,19 @@ public Iterator<Obj> iterator() {
        for (Obj obj : it) {
    		System.out.println(obj.getName());
    	}
+	*/
 	}
-
 }
-
+@Data
 class Obj{
 
 	String name;
 
-
 	Person p;
 
 	public Obj(String name) {
 		this.p= new Person(name);
 	}
-
-	public String getName() {
-		return p.getName();
-	}
-
-	public void setName(String name) {
-		 p.setName(name);
-	}
-
 }
 
 class Person{

diff --git a/src/main/java/com/sean/jdk8/MainClass.java b/src/main/java/com/sean/jdk8/MainClass.java
@@ -0,0 +1,21 @@
+package com.sean.jdk8;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class MainClass {
+
+	public static void main(String[] args) {
+		// List<String> names = Lists.;
+		List<String> names = new ArrayList<String>();
+		names.add("Name1");
+		names.add("Name2");
+		System.out.println(names);
+		/*List<String> lowercaseNames = names.stream().map((String name) -> {
+			return name.toLowerCase();
+		}).collect(Collectors.toList());
+		System.out.println(lowercaseNames);*/
+	}
+
+}
diff --git a/src/test/java/com/sean/study/redis/TestSharedJedis.java b/src/test/java/com/sean/study/redis/TestSharedJedis.java
@@ -8,6 +8,7 @@
 import redis.clients.jedis.ShardedJedisPool;
 
 public class TestSharedJedis {
+
 	@Test
 	public void testSlave(){
 		ShardedJedisPool sp = (ShardedJedisPool) BeanUtils.getBean("shardedPool");

diff --git a/target/classes/META-INF/maven/com.sean/sean-study/pom.properties b/target/classes/META-INF/maven/com.sean/sean-study/pom.properties
@@ -1,5 +1,5 @@
 #Generated by Maven Integration for Eclipse
-#Thu Jun 05 23:59:45 CST 2014
+#Thu Jun 12 21:17:51 CST 2014
 version=0.0.1-SNAPSHOT
 groupId=com.sean
 m2e.projectName=sean-study

diff --git a/target/classes/META-INF/maven/com.sean/sean-study/pom.xml b/target/classes/META-INF/maven/com.sean/sean-study/pom.xml
@@ -70,7 +70,7 @@
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
-			<version>0.11.2</version>
+			<version>1.1.14</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>

diff --git a/target/classes/com/concurrent/Incrementable.class b/target/classes/com/concurrent/Incrementable.class
diff --git a/target/classes/com/concurrent/LockingTest.class b/target/classes/com/concurrent/LockingTest.class
diff --git a/target/classes/com/concurrent/SimpleMicroBenchMark.class b/target/classes/com/concurrent/SimpleMicroBenchMark.class
diff --git a/target/classes/com/concurrent/SynTest.class b/target/classes/com/concurrent/SynTest.class
diff --git a/target/classes/com/sean/guava/TestCache$1.class b/target/classes/com/sean/guava/TestCache$1.class
diff --git a/target/classes/com/sean/guava/TestCache$2.class b/target/classes/com/sean/guava/TestCache$2.class
diff --git a/target/classes/com/sean/guava/TestCache.class b/target/classes/com/sean/guava/TestCache.class
diff --git a/target/classes/com/sean/jdk/obj/Main.class b/target/classes/com/sean/jdk/obj/Main.class
diff --git a/target/classes/com/sean/jdk/obj/Obj.class b/target/classes/com/sean/jdk/obj/Obj.class
diff --git a/target/classes/com/sean/jdk/obj/Person.class b/target/classes/com/sean/jdk/obj/Person.class
diff --git a/target/classes/com/sean/jdk8/MainClass.class b/target/classes/com/sean/jdk8/MainClass.class
diff --git a/target/test-classes/com/sean/study/redis/TestSharedJedis.class b/target/test-classes/com/sean/study/redis/TestSharedJedis.class