com.github.javaparser.resolution.model.typesystem

Class NullType

java.lang.Object

com.github.javaparser.resolution.model.typesystem.NullType

All Implemented Interfaces:

ResolvedType

public class NullType
extends Object
implements ResolvedType

This is a virtual type used to represent null values.

Author:

Federico Tomassetti

Field Summary

Fields

Modifier and Type	Field and Description
static NullType	INSTANCE

Method Summary

Modifier and Type	Method and Description
String	describe()
boolean	isArray()
boolean	isAssignableBy(ResolvedType other) This method checks if ThisType t = new OtherType() would compile.
boolean	isNull() Is this the null type?
boolean	isReferenceType() Can this be seen as a ReferenceTypeUsage?
boolean	isTypeVariable()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.github.javaparser.resolution.types.ResolvedType

arrayLevel, asArrayType, asConstraintType, asPrimitive, asReferenceType, asTypeParameter, asTypeVariable, asUnionType, asWildcard, erasure, isConstraint, isInferenceVariable, isNumericType, isPrimitive, isReference, isUnionType, isVoid, isWildcard, mention, replaceTypeVariables, replaceTypeVariables, solveGenericTypes, toDescriptor

Field Detail

INSTANCE

public static final NullType INSTANCE

Method Detail

isArray

public boolean isArray()

Specified by:

isArray in interface ResolvedType

Returns:

true, if this type represent an array - otherwise false.

isNull

public boolean isNull()

Description copied from interface: ResolvedType

Is this the null type?

Specified by:

isNull in interface ResolvedType

isReferenceType

public boolean isReferenceType()

Description copied from interface: ResolvedType

Can this be seen as a ReferenceTypeUsage? In other words: is this a reference to a class, an interface or an enum?

Specified by:

isReferenceType in interface ResolvedType

describe

public String describe()

Specified by:

describe in interface ResolvedType

isTypeVariable

public boolean isTypeVariable()

Specified by:

isTypeVariable in interface ResolvedType

isAssignableBy

public boolean isAssignableBy(ResolvedType other)

Description copied from interface: ResolvedType

This method checks if ThisType t = new OtherType() would compile.

Specified by:

isAssignableBy in interface ResolvedType