test/testlibrary/com/oracle/java/testlibrary/ByteCodeLoader.java

rev 7510 : 8066497: Update c.o.j.t.ByteCodeLoader to be able really reload given class
Reviewed-by:
Contributed-by: pavel.chistyakov@oracle.com

*** 35,44 ****
--- 35,45 ----
   * @see InMemoryCompiler
   */
  public class ByteCodeLoader extends SecureClassLoader {
      private final String className;
      private final byte[] byteCode;
+     private volatile Class<?> holder;
  
      /**
       * Creates a new {@code ByteCodeLoader} ready to load a class with the
       * given name and the given byte code.
       *
*** 49,58 ****
--- 50,74 ----
          this.className = className;
          this.byteCode = byteCode;
      }
  
      @Override
+     public Class<?> loadClass(String name) throws ClassNotFoundException {
+         if (!name.equals(className)) {
+             return super.loadClass(name);
+         }
+         if (holder == null) {
+             synchronized(this) {
+                 if (holder == null) {
+                     holder = findClass(name);
+                 }
+             }
+         }
+         return holder;
+     }
+ 
+     @Override
      protected Class<?> findClass(String name) throws ClassNotFoundException {
          if (!name.equals(className)) {
              throw new ClassNotFoundException(name);
          }