# Class TypeOf<T>

java.lang.Object
org.gradle.api.reflect.TypeOf<T>

Type Parameters:
  `T` - Parameterized type

public abstract class TypeOf<T> extends Object
Provides a way to preserve high-fidelity `Type` information on generic types. Capture a generic type with an anonymous subclass. For example:

      new TypeOf<NamedDomainObjectContainer<ArtifactRepository>>() {}

Since:
  3.5

- ## Constructor Summary

  Constructors
  Modifier
  Constructor
  Description
  `protected`
  `TypeOf()`
  Creates a new `TypeOf`.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `boolean`
  `equals(Object o)`
  `List<TypeOf<?>>`
  `getActualTypeArguments()`
  Returns the list of type arguments used in the construction of this parameterized type.
  `@Nullable TypeOf<?>`
  `getComponentType()`
  Returns the component type of the array type this object represents.
  `Class<T>`
  `getConcreteClass()`
  This returns the underlying, concrete Java `Class`.
  `String`
  `getFullyQualifiedName()`
  Fully Qualified name.
  `@Nullable TypeOf<?>`
  `getLowerBound()`
  Returns the first declared lower-bound of the wildcard type expression represented by this type.
  `TypeOf<?>`
  `getParameterizedTypeDefinition()`
  Returns an object that represents the type from which this parameterized type was constructed.
  `String`
  `getSimpleName()`
  Simple name.
  `@Nullable TypeOf<?>`
  `getUpperBound()`
  Returns the first declared upper-bound of the wildcard type expression represented by this type.
  `int`
  `hashCode()`
  `boolean`
  `isArray()`
  Queries whether this object represents an array, generic or otherwise.
  `final boolean`
  `isAssignableFrom(Type type)`
  Is this type assignable from the given type?
  `final boolean`
  `isAssignableFrom(TypeOf<?> type)`
  Is this type assignable from the given type?
  `boolean`
  `isParameterized()`
  Queries whether this object represents a parameterized type.
  `boolean`
  `isPublic()`
  Queries whether the type represented by this object is public (`Modifier.isPublic(int)`).
  `boolean`
  `isSimple()`
  Queries whether this object represents a simple (non-composite) type, not an array and not a generic type.
  `boolean`
  `isSynthetic()`
  Queries whether this object represents a synthetic type as defined by `Class.isSynthetic()`.
  `boolean`
  `isWildcard()`
  Queries whether this object represents a wildcard type expression, such as `?`, `? extends Number`, or `? super Integer`.
  `static TypeOf<?>`
  `parameterizedTypeOf(TypeOf<?> parameterizedType, TypeOf<?>... typeArguments)`
  Constructs a new parameterized type from a given parameterized type definition and an array of type arguments.
  `final String`
  `toString()`
  `static <T> TypeOf<T>`
  `typeOf(Class<T> type)`
  Creates an instance of TypeOf for the given Class.
  `static <T> TypeOf<T>`
  `typeOf(Type type)`
  Creates an instance of TypeOf for the given Type.

  ### Methods inherited from class Object

  `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- ## Constructor Details

  - ### TypeOf

    protected TypeOf()
    Creates a new `TypeOf`.
    Since:
      3.5

- ## Method Details

  - ### typeOf

    public static <T> TypeOf<T> typeOf(Class<T> type)
    Creates an instance of TypeOf for the given Class.
    Type Parameters:
      `T` - the parameterized type of the given Class
    Parameters:
      `type` - the Class
    Returns:
      the TypeOf that captures the generic type of the given Class
    Since:
      3.5

  - ### typeOf

    public static <T> TypeOf<T> typeOf(Type type)
    Creates an instance of TypeOf for the given Type.
    Type Parameters:
      `T` - the parameterized type of the given Type
    Parameters:
      `type` - the Type
    Returns:
      the TypeOf that captures the generic type of the given Type
    Since:
      3.5

  - ### parameterizedTypeOf

    public static TypeOf<?> parameterizedTypeOf(TypeOf<?> parameterizedType, TypeOf<?>... typeArguments)
    Constructs a new parameterized type from a given parameterized type definition and an array of type arguments. For example, `parameterizedTypeOf(new TypeOf<List<?>>() {}, new TypeOf<String>() {})` is equivalent to `new TypeOf<List<String>>() {}`, except both the parameterized type definition and type arguments can be dynamically computed.
    Parameters:
      `parameterizedType` - the parameterized type from which to construct the new parameterized type
      `typeArguments` - the arguments with which to construct the new parameterized type
    Since:
      3.5
    See Also:
      - `isParameterized()`

  - ### isSimple

    public boolean isSimple()
    Queries whether this object represents a simple (non-composite) type, not an array and not a generic type.
    Returns:
      true if this object represents a simple type.
    Since:
      3.5

  - ### isSynthetic

    public boolean isSynthetic()
    Queries whether this object represents a synthetic type as defined by `Class.isSynthetic()`.
    Returns:
      true if this object represents a synthetic type.
    Since:
      3.5

  - ### isPublic

    public boolean isPublic()
    Queries whether the type represented by this object is public (`Modifier.isPublic(int)`).
    Since:
      3.5
    See Also:
      - `Modifier.isPublic(int)`
      - `Class.getModifiers()`

  - ### isArray

    public boolean isArray()
    Queries whether this object represents an array, generic or otherwise.
    Returns:
      true if this object represents an array.
    Since:
      3.5
    See Also:
      - `getComponentType()`

  - ### getComponentType

    public @Nullable TypeOf<?> getComponentType()
    Returns the component type of the array type this object represents.
    Returns:
      null if this object does not represent an array type.
    Since:
      3.5
    See Also:
      - `isArray()`

  - ### isParameterized

    public boolean isParameterized()
    Queries whether this object represents a parameterized type.
    Returns:
      true if this object represents a parameterized type.
    Since:
      3.5
    See Also:
      - `getParameterizedTypeDefinition()`
      - `getActualTypeArguments()`

  - ### getParameterizedTypeDefinition

    public TypeOf<?> getParameterizedTypeDefinition()
    Returns an object that represents the type from which this parameterized type was constructed.
    Since:
      3.5
    See Also:
      - `isParameterized()`

  - ### getActualTypeArguments

    public List<TypeOf<?>> getActualTypeArguments()
    Returns the list of type arguments used in the construction of this parameterized type.
    Since:
      3.5
    See Also:
      - `isParameterized()`

  - ### isWildcard

    public boolean isWildcard()
    Queries whether this object represents a wildcard type expression, such as `?`, `? extends Number`, or `? super Integer`.
    Returns:
      true if this object represents a wildcard type expression.
    Since:
      3.5
    See Also:
      - `getUpperBound()`

  - ### getUpperBound

    public @Nullable TypeOf<?> getUpperBound()
    Returns the first declared upper-bound of the wildcard type expression represented by this type.
    Returns:
      null if no upper-bound has been explicitly declared.
    Since:
      3.5

  - ### getLowerBound

    public @Nullable TypeOf<?> getLowerBound()
    Returns the first declared lower-bound of the wildcard type expression represented by this type.
    Returns:
      null if no lower-bound has been explicitly declared.
    Since:
      6.0

  - ### isAssignableFrom

    public final boolean isAssignableFrom(TypeOf<?> type)
    Is this type assignable from the given type?
    Parameters:
      `type` - the given type
    Returns:
      true if this type is assignable from the given type, false otherwise
    Since:
      3.5

  - ### isAssignableFrom

    public final boolean isAssignableFrom(Type type)
    Is this type assignable from the given type?
    Parameters:
      `type` - the given type
    Returns:
      true if this type is assignable from the given type, false otherwise
    Since:
      3.5

  - ### getSimpleName

    public String getSimpleName()
    Simple name.
    Returns:
      this type's simple name
    Since:
      3.5

  - ### getFullyQualifiedName

    public String getFullyQualifiedName()
    Fully Qualified name.
    Returns:
      this type's FQN
    Since:
      7.4

  - ### getConcreteClass

    public Class<T> getConcreteClass()

    This returns the underlying, concrete Java `Class`.

    For example, a simple `TypeOf<String>` will be the given generic type `String.class`.
    Generic types like `TypeOf<List<String>>` would have the concrete type of `List.class`.
    For array types like `TypeOf<String[]>`, the concrete type will be an array of the component type (`String[].class`).

    Returns:
      Underlying Java Class of this type.
    Since:
      5.0

  - ### toString

    public final String toString()
    Overrides:
      `toString` in class `Object`

  - ### equals

    public boolean equals(Object o)
    Overrides:
      `equals` in class `Object`

  - ### hashCode

    public int hashCode()
    Overrides:
      `hashCode` in class `Object`