InvokeDyn.java

package test4;

import java.lang.invoke.*;

public class InvokeDyn {
    public static int test9(int i, String s) { return 9; }
    public int test8(int i, String s) { return 8; } 

    public static CallSite boot(MethodHandles.Lookup caller, String name, MethodType type)
        throws NoSuchMethodException, IllegalAccessException
    {
        MethodHandles.Lookup lookup = MethodHandles.lookup();
        Class thisClass = lookup.lookupClass();
        MethodHandle method = lookup.findStatic(thisClass, "test9", MethodType.methodType(int.class, int.class, String.class));
        return new ConstantCallSite(method);
    }

    public CallSite boot2(MethodHandles.Lookup caller, String name, MethodType type)
        throws NoSuchMethodException, IllegalAccessException
    {
        MethodHandles.Lookup lookup = MethodHandles.lookup();
        Class thisClass = lookup.lookupClass();
        MethodHandle method = lookup.findVirtual(thisClass, "test8", MethodType.methodType(int.class, int.class, String.class));
        return new ConstantCallSite(method.asType(MethodType.methodType(int.class, Object.class, int.class, String.class)));
    }
}