SystemObject
  org.opendof.core.oalDOFType
    org.opendof.core.oalDOFTypeNullable

Namespace: org.opendof.core.oal
Assembly: dof-oal (in dof-oal.dll) Version: 7.0.1.2

The DOFTypeNullable type exposes the following members.

	Name	Description
	DOFTypeNullable(DOFType)	Construct a nullable type from another (non-nullable) type.
	DOFTypeNullable(DOFTypeContext, DOFPacket)	Construct a type from a packet.

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	Name	Description
	Equals	(Overrides DOFTypeEquals(Object).)
	getEncoding	Get the string encoding for the type. (Inherited from DOFType.)
	GetHashCode	(Overrides DOFTypeGetHashCode.)
	getInstance	(Overrides DOFTypegetInstance(DOFPacket).)
	getMaxLength	Get the maximum length of the type. (Inherited from DOFType.)
	getMinLength	Get the minimum length of the type. (Inherited from DOFType.)
	getSubtypes	(Overrides DOFTypegetSubtypes.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	getTypeID	Get the type identifier of this type. (Inherited from DOFType.)
	isDefined	Return whether of not the type is fully defined. (Inherited from DOFType.)
	marshal	(Overrides DOFTypemarshal(DOFTypeContext, DOFPacket).)
	ToString	(Overrides DOFTypeToString.)

Top Create a type that references another type or can take the value .

This class is a wrapper around other types, giving them the ability to accept

in addition to their normal values. The referenced type must may be partially defined, and in fact the nullable type is required in cases of self-referential types in order to avoid infinite values being required (there must be a nullable to break the cycle).

Reference