8174749: Use hash table/oops for MemberName table
authorcoleenp
Sat, 27 May 2017 09:21:21 -0400
changeset 46867 dbe5f2bef304
parent 46866 78da0d42b6cf
child 46868 6f845fa89b62
8174749: Use hash table/oops for MemberName table Summary: Add a Java type called ResolvedMethodName which is immutable and can be stored in a hashtable, that is weakly collected by gc Reviewed-by: sspitsyn, stefank, jrose
jdk/src/java.base/share/classes/java/lang/invoke/MemberName.java
--- a/jdk/src/java.base/share/classes/java/lang/invoke/MemberName.java	Wed May 24 22:27:39 2017 +0200
+++ b/jdk/src/java.base/share/classes/java/lang/invoke/MemberName.java	Sat May 27 09:21:21 2017 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,13 +70,18 @@
  * and those seven fields omit much of the information in Method.
  * @author jrose
  */
+/*non-public*/ final class ResolvedMethodName {
+    //@Injected JVM_Method* vmtarget;
+    //@Injected Class<?>    vmholder;
+};
+
 /*non-public*/ final class MemberName implements Member, Cloneable {
-    private Class<?> clazz;       // class in which the method is defined
+    private Class<?> clazz;       // class in which the member is defined
     private String   name;        // may be null if not yet materialized
     private Object   type;        // may be null if not yet materialized
     private int      flags;       // modifier bits; see reflect.Modifier
-    //@Injected JVM_Method* vmtarget;
-    //@Injected int         vmindex;
+    private ResolvedMethodName method;    // cached resolved method information
+    //@Injected intptr_t       vmindex;   // vtable index or offset of resolved member
     Object   resolution;  // if null, this guy is resolved
 
     /** Return the declaring class of this member.