svn commit: r740952 - /incubator/thrift/trunk/lib/java/test/org/apache/thrift/test/SerializationBenchmark.java

[br...@apache.org]

Author: bryanduxbury
Date: Thu Feb  5 00:24:42 2009
New Revision: 740952

URL: http://svn.apache.org/viewvc?rev=740952&view=rev
Log:
java: Added SerializationBenchmark.java, helper class for performing tests on protocols.


Added:
    incubator/thrift/trunk/lib/java/test/org/apache/thrift/test/SerializationBenchmark.java

Added: incubator/thrift/trunk/lib/java/test/org/apache/thrift/test/SerializationBenchmark.java
URL: http://svn.apache.org/viewvc/incubator/thrift/trunk/lib/java/test/org/apache/thrift/test/SerializationBenchmark.java?rev=740952&view=auto
==============================================================================
--- incubator/thrift/trunk/lib/java/test/org/apache/thrift/test/SerializationBenchmark.java (added)
+++ incubator/thrift/trunk/lib/java/test/org/apache/thrift/test/SerializationBenchmark.java Thu Feb  5 00:24:42 2009
@@ -0,0 +1,68 @@
+
+package org.apache.thrift.test;
+
+import java.io.ByteArrayInputStream;
+
+import org.apache.thrift.*;
+import org.apache.thrift.protocol.*;
+import org.apache.thrift.transport.*;
+
+import thrift.test.*;
+
+public class SerializationBenchmark {
+  private final static int HOW_MANY = 10000000;
+  
+  public static void main(String[] args) throws Exception {
+    TProtocolFactory factory = new TBinaryProtocol.Factory();
+
+    OneOfEach ooe = new OneOfEach();
+    ooe.im_true   = true;
+    ooe.im_false  = false;
+    ooe.a_bite    = (byte)0xd6;
+    ooe.integer16 = 27000;
+    ooe.integer32 = 1<<24;
+    ooe.integer64 = (long)6000 * 1000 * 1000;
+    ooe.double_precision = Math.PI;
+    ooe.some_characters  = "JSON THIS! \"\u0001";
+    ooe.base64 = new byte[]{1,2,3,(byte)255};
+
+    testSerialization(factory, ooe);
+    testDeserialization(factory, ooe, OneOfEach.class);
+  }
+  
+  public static void testSerialization(TProtocolFactory factory, TBase object) throws Exception {
+    TTransport trans = new TTransport() {
+      public void write(byte[] bin, int x, int y) throws TTransportException {}
+      public int read(byte[] bin, int x, int y) throws TTransportException {return 0;}
+      public void close() {}
+      public void open() {}
+      public boolean isOpen() {return true;}
+    };
+    
+    TProtocol proto = factory.getProtocol(trans);
+    
+    long startTime = System.currentTimeMillis();
+    for (int i = 0; i < HOW_MANY; i++) {
+      object.write(proto);
+    }
+    long endTime = System.currentTimeMillis();
+    
+    System.out.println("Test time: " + (endTime - startTime) + " ms");
+  }
+  
+  public static <T extends TBase> void testDeserialization(TProtocolFactory factory, T object, Class<T> klass) throws Exception {
+    TMemoryBuffer buf = new TMemoryBuffer(0);
+    object.write(factory.getProtocol(buf));
+    byte[] serialized = new byte[100*1024];
+    buf.read(serialized, 0, 100*1024);
+    
+    long startTime = System.currentTimeMillis();
+    for (int i = 0; i < HOW_MANY; i++) {
+      T o2 = klass.newInstance();
+      o2.read(factory.getProtocol(new TIOStreamTransport(new ByteArrayInputStream(serialized))));
+    }
+    long endTime = System.currentTimeMillis();
+    
+    System.out.println("Test time: " + (endTime - startTime) + " ms");
+  }
+}
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