// Needed for equal() in order to achieve linear performance for complex types.
// Uses up (recursively) copies of the InputStream in both Anys that got created in equal().
private boolean equalMember(TypeCode memberType, InputStream myStream, InputStream otherStream) {
// Resolve aliases here
TypeCode realType = realType(memberType);
try {
switch (realType.kind().value()) {
// handle primitive types
case TCKind._tk_null:
case TCKind._tk_void:
return true;
case TCKind._tk_short:
return (myStream.read_short() == otherStream.read_short());
case TCKind._tk_long:
return (myStream.read_long() == otherStream.read_long());
case TCKind._tk_ushort:
return (myStream.read_ushort() == otherStream.read_ushort());
case TCKind._tk_ulong:
return (myStream.read_ulong() == otherStream.read_ulong());
case TCKind._tk_float:
return (myStream.read_float() == otherStream.read_float());
case TCKind._tk_double:
return (myStream.read_double() == otherStream.read_double());
case TCKind._tk_boolean:
return (myStream.read_boolean() == otherStream.read_boolean());
case TCKind._tk_char:
return (myStream.read_char() == otherStream.read_char());
case TCKind._tk_wchar:
return (myStream.read_wchar() == otherStream.read_wchar());
case TCKind._tk_octet:
return (myStream.read_octet() == otherStream.read_octet());
case TCKind._tk_any:
return myStream.read_any().equal(otherStream.read_any());
case TCKind._tk_TypeCode:
return myStream.read_TypeCode().equal(otherStream.read_TypeCode());
case TCKind._tk_string:
return myStream.read_string().equals(otherStream.read_string());
case TCKind._tk_wstring:
return (myStream.read_wstring().equals(otherStream.read_wstring()));
case TCKind._tk_longlong:
return (myStream.read_longlong() == otherStream.read_longlong());
case TCKind._tk_ulonglong:
return (myStream.read_ulonglong() == otherStream.read_ulonglong());
case TCKind._tk_objref:
return (myStream.read_Object().equals(otherStream.read_Object()));
case TCKind._tk_Principal:
return (myStream.read_Principal().equals(otherStream.read_Principal()));
case TCKind._tk_enum:
return (myStream.read_long() == otherStream.read_long());
case TCKind._tk_fixed:
return (myStream.read_fixed().compareTo(otherStream.read_fixed()) == 0);
case TCKind._tk_except:
case TCKind._tk_struct:
{
int length = realType.member_count();
for (int i = 0; i < length; i++) {
if (!equalMember(realType.member_type(i), myStream, otherStream)) {
return false;
}
}
return true;
}
case TCKind._tk_union:
{
Any myDiscriminator = orb.create_any();
Any otherDiscriminator = orb.create_any();
myDiscriminator.read_value(myStream, realType.discriminator_type());
otherDiscriminator.read_value(otherStream, realType.discriminator_type());
if (!myDiscriminator.equal(otherDiscriminator)) {
return false;
}
TypeCodeImpl realTypeCodeImpl = TypeCodeImpl.convertToNative(orb, realType);
int memberIndex = realTypeCodeImpl.currentUnionMemberIndex(myDiscriminator);
if (memberIndex == -1) throw wrapper.unionDiscriminatorError();
if (!equalMember(realType.member_type(memberIndex), myStream, otherStream)) {
return false;
}
return true;
}
case TCKind._tk_sequence:
{
int length = myStream.read_long();
otherStream.read_long(); // just so that the two stream are in sync
for (int i = 0; i < length; i++) {
if (!equalMember(realType.content_type(), myStream, otherStream)) {
return false;
}
}
return true;
}
case TCKind._tk_array:
{
int length = realType.member_count();
for (int i = 0; i < length; i++) {
if (!equalMember(realType.content_type(), myStream, otherStream)) {
return false;
}
}
return true;
}
// Too complicated to handle value types the way we handle
// other complex types above. Don't try to decompose it here
// for faster comparison, just use Object.equals().
case TCKind._tk_value:
case TCKind._tk_value_box:
org.omg.CORBA_2_3.portable.InputStream mine =
(org.omg.CORBA_2_3.portable.InputStream) myStream;
org.omg.CORBA_2_3.portable.InputStream other =
(org.omg.CORBA_2_3.portable.InputStream) otherStream;
return mine.read_value().equals(other.read_value());
case TCKind._tk_alias:
// error resolving alias above
throw wrapper.errorResolvingAlias();
case TCKind._tk_longdouble:
throw wrapper.tkLongDoubleNotSupported();
default:
throw wrapper.typecodeNotSupported();
}
} catch (BadKind badKind) { // impossible
throw wrapper.badkindCannotOccur();
} catch (Bounds bounds) { // impossible
throw wrapper.boundsCannotOccur();
}
}
/**
* checks for equality between Anys.
*
* @param otherAny the Any to be compared with.
* @result true if the Anys are equal, false otherwise.
*/
public boolean equal(Any otherAny) {
// debug.log ("equal");
if (otherAny == this) return true;
// first check for typecode equality.
// note that this will take aliases into account
if (!typeCode.equal(otherAny.type())) return false;
// Resolve aliases here
TypeCode realType = realType();
// _REVISIT_ Possible optimization for the case where
// otherAny is a AnyImpl and the endianesses match.
// Need implementation of CDRInputStream.equals()
// For now we disable this to encourage testing the generic,
// unoptimized code below.
// Unfortunately this generic code needs to copy the whole stream
// at least once.
// if (AnyImpl.isStreamed[realType.kind().value()]) {
// if (otherAny instanceof AnyImpl) {
// return ((AnyImpl)otherAny).stream.equals(stream);
// }
// }
switch (realType.kind().value()) {
// handle primitive types
case TCKind._tk_null:
case TCKind._tk_void:
return true;
case TCKind._tk_short:
return (extract_short() == otherAny.extract_short());
case TCKind._tk_long:
return (extract_long() == otherAny.extract_long());
case TCKind._tk_ushort:
return (extract_ushort() == otherAny.extract_ushort());
case TCKind._tk_ulong:
return (extract_ulong() == otherAny.extract_ulong());
case TCKind._tk_float:
return (extract_float() == otherAny.extract_float());
case TCKind._tk_double:
return (extract_double() == otherAny.extract_double());
case TCKind._tk_boolean:
return (extract_boolean() == otherAny.extract_boolean());
case TCKind._tk_char:
return (extract_char() == otherAny.extract_char());
case TCKind._tk_wchar:
return (extract_wchar() == otherAny.extract_wchar());
case TCKind._tk_octet:
return (extract_octet() == otherAny.extract_octet());
case TCKind._tk_any:
return extract_any().equal(otherAny.extract_any());
case TCKind._tk_TypeCode:
return extract_TypeCode().equal(otherAny.extract_TypeCode());
case TCKind._tk_string:
return extract_string().equals(otherAny.extract_string());
case TCKind._tk_wstring:
return (extract_wstring().equals(otherAny.extract_wstring()));
case TCKind._tk_longlong:
return (extract_longlong() == otherAny.extract_longlong());
case TCKind._tk_ulonglong:
return (extract_ulonglong() == otherAny.extract_ulonglong());
case TCKind._tk_objref:
return (extract_Object().equals(otherAny.extract_Object()));
case TCKind._tk_Principal:
return (extract_Principal().equals(otherAny.extract_Principal()));
case TCKind._tk_enum:
return (extract_long() == otherAny.extract_long());
case TCKind._tk_fixed:
return (extract_fixed().compareTo(otherAny.extract_fixed()) == 0);
case TCKind._tk_except:
case TCKind._tk_struct:
case TCKind._tk_union:
case TCKind._tk_sequence:
case TCKind._tk_array:
InputStream copyOfMyStream = this.create_input_stream();
InputStream copyOfOtherStream = otherAny.create_input_stream();
return equalMember(realType, copyOfMyStream, copyOfOtherStream);
// Too complicated to handle value types the way we handle
// other complex types above. Don't try to decompose it here
// for faster comparison, just use Object.equals().
case TCKind._tk_value:
case TCKind._tk_value_box:
return extract_Value().equals(otherAny.extract_Value());
case TCKind._tk_alias:
throw wrapper.errorResolvingAlias();
case TCKind._tk_longdouble:
// Unspecified for Java
throw wrapper.tkLongDoubleNotSupported();
default:
throw wrapper.typecodeNotSupported();
}
}
