changeset 1390:c6b8dc6a00d1

8074980: add WhiteBox API to get a flag value for a method Reviewed-by: kvn, fzhinkin
author iignatyev
date Thu, 12 Mar 2015 19:11:17 +0300
parents 0152071ab1ba
children 22b4457b376c
files test/lib/sun/hotspot/WhiteBox.java
diffstat 1 files changed, 19 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/test/lib/sun/hotspot/WhiteBox.java	Fri Mar 06 04:58:52 2015 -0800
+++ b/test/lib/sun/hotspot/WhiteBox.java	Thu Mar 12 19:11:17 2015 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2015, 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
@@ -27,6 +27,7 @@
 import java.lang.reflect.Executable;
 import java.util.Arrays;
 import java.util.List;
+import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.stream.Stream;
 import java.security.BasicPermission;
@@ -250,6 +251,23 @@
     }
     return offset;
   }
+  public native Boolean getMethodBooleanOption(Executable method, String name);
+  public native Long    getMethodIntxOption(Executable method, String name);
+  public native Long    getMethodUintxOption(Executable method, String name);
+  public native Double  getMethodDoubleOption(Executable method, String name);
+  public native String  getMethodStringOption(Executable method, String name);
+  private final List<BiFunction<Executable,String,Object>> methodOptionGetters
+      = Arrays.asList(this::getMethodBooleanOption, this::getMethodIntxOption,
+          this::getMethodUintxOption, this::getMethodDoubleOption,
+          this::getMethodStringOption);
+
+  public Object getMethodOption(Executable method, String name) {
+    return methodOptionGetters.stream()
+                              .map(f -> f.apply(method, name))
+                              .filter(x -> x != null)
+                              .findAny()
+                              .orElse(null);
+  }
 
   // Safepoint Checking
   public native void assertMatchingSafepointCalls(boolean mutexSafepointValue, boolean attemptedNoSafepointValue);