NamedValue

A NamedValue object contains:

• a name -- If the NamedValue object is used to describe arguments to a request, the name will be an argument identifier specified in the OMG IDL interface definition for the operation being described.
• a value -- an Any object
• an argument mode flag -- one of the following:
  • ARG_IN.value
  • ARG_OUT.value
  • ARG_INOUT.value
  • zero -- if this NamedValue object represents a property in a Context object rather than a parameter or return value

The class NamedValue has three methods, which access its fields. The following code fragment demonstrates creating a NamedValue object and then accessing its fields:

ORB orb = ORB.init(args, null);
String s = "argument_1";
org.omg.CORBA.Any myAny = orb.create_any();
myAny.insert_long(12345);
int in = org.omg.CORBA.ARG_IN.value;

org.omg.CORBA.NamedValue nv = orb.create_named_value(
s, myAny, in);
System.out.println("This nv name is " + nv.name());
try {
System.out.println("This nv value is " + nv.value().extract_long());
System.out.println("This nv flag is " + nv.flags());
} catch (org.omg.CORBA.BAD_OPERATION b) {
System.out.println("extract failed");
}

If this code fragment were put into a main method, the output would be something like the following:

This nv name is argument_1
This nv value is 12345
This nv flag is 1

Note that the method value returns an Any object. In order to access the long contained in the Any object, we used the method extract_long.