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8024633: Lambda linkage performance - initialize generated class earlier

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Reviewed-by: briangoetz, rfield
This commit is contained in:
Sergey Kuksenko 2013-10-29 12:45:18 -04:00 committed by Brian Goetz
parent 7055290bbe
commit e95f428581
1 changed files with 10 additions and 11 deletions
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21
jdk/src/share/classes/java/lang/invoke/InnerClassLambdaMetafactory.java
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@ -197,22 +197,20 @@ import static jdk.internal.org.objectweb.asm.Opcodes.*;
new PrivilegedAction<Constructor[]>() {
@Override
public Constructor[] run() {
return innerClass.getDeclaredConstructors();
Constructor<?>[] ctrs = innerClass.getDeclaredConstructors();
if (ctrs.length == 1) {
// The lambda implementing inner class constructor is private, set
// it accessible (by us) before creating the constant sole instance
ctrs[0].setAccessible(true);
}
return ctrs;
}
});
});
if (ctrs.length != 1) {
throw new LambdaConversionException("Expected one lambda constructor for "
+ innerClass.getCanonicalName() + ", got " + ctrs.length);
}
// The lambda implementing inner class constructor is private, set
// it accessible (by us) before creating the constant sole instance
AccessController.doPrivileged(new PrivilegedAction<Void>() {
@Override
public Void run() {
ctrs[0].setAccessible(true);
return null;
}
});
try {
Object inst = ctrs[0].newInstance();
return new ConstantCallSite(MethodHandles.constant(samBase, inst));
@ -222,6 +220,7 @@ import static jdk.internal.org.objectweb.asm.Opcodes.*;
}
} else {
try {
UNSAFE.ensureClassInitialized(innerClass);
return new ConstantCallSite(
MethodHandles.Lookup.IMPL_LOOKUP
.findStatic(innerClass, NAME_FACTORY, invokedType));