trait ReflectiveMirror extends api.Mirror[Mirrors.this.type]
A mirror that reflects instances and static classes. See the overview page for details on how to use runtime reflection.
- Source
- Mirrors.scala
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Abstract Value Members
-
abstract
def
EmptyPackage: Universe.ModuleSymbol
The module symbol of the default (unnamed) package
The module symbol of the default (unnamed) package
- Definition Classes
- Mirror
-
abstract
def
EmptyPackageClass: Universe.ClassSymbol
The module class symbol of the default (unnamed) package
The module class symbol of the default (unnamed) package
- Definition Classes
- Mirror
-
abstract
def
RootClass: Universe.ClassSymbol
The class symbol of the
_root_
packageThe class symbol of the
_root_
package- Definition Classes
- Mirror
-
abstract
def
RootPackage: Universe.ModuleSymbol
The module symbol of the
_root_
packageThe module symbol of the
_root_
package- Definition Classes
- Mirror
-
abstract
def
reflect[T](obj: T)(implicit arg0: ClassTag[T]): Universe.InstanceMirror
A reflective mirror for the given object.
A reflective mirror for the given object.
Such a mirror can be used to further reflect against the members of the object to get/set fields, invoke methods and inspect inner classes and objects.
-
abstract
def
reflectClass(cls: Universe.ClassSymbol): Universe.ClassMirror
Reflects against a static class symbol and returns a mirror that can be used to create instances of the class, inspect its companion object or perform further reflections.
Reflects against a static class symbol and returns a mirror that can be used to create instances of the class, inspect its companion object or perform further reflections.
To get a class symbol by the name of the class you would like to reflect, use
<this mirror>.classSymbol(<runtime class loaded by its name>)
.The input symbol can be either private or non-private (Scala reflection transparently deals with visibility). It must be static, i.e. either top-level or nested within one or several static objects.
-
abstract
def
reflectModule(mod: Universe.ModuleSymbol): Universe.ModuleMirror
Reflects against a static module symbol and returns a mirror that can be used to get the instance of the object or inspect its companion class.
Reflects against a static module symbol and returns a mirror that can be used to get the instance of the object or inspect its companion class.
To get a module symbol by the name of its companion class you would like to reflect, use
<this mirror>.classSymbol(<runtime class loaded by its name>).companion.get
.The input symbol can be either private or non-private (Scala reflection transparently deals with visibility). It must be static, i.e. either top-level or nested within one or several static objects.
-
abstract
def
staticClass(fullName: String): Universe.ClassSymbol
The symbol corresponding to the globally accessible class with the given fully qualified name
fullName
.The symbol corresponding to the globally accessible class with the given fully qualified name
fullName
.If the name points to a type alias, it's recursively dealiased and its target is returned. If you need a symbol that corresponds to the type alias itself, load it directly from the package class:
scala> cm.staticClass("scala.List") res0: scala.reflect.runtime.universe.ClassSymbol = class List
scala> res0.fullName res1: String = scala.collection.immutable.List
scala> cm.staticPackage("scala") res2: scala.reflect.runtime.universe.ModuleSymbol = package scala
scala> res2.moduleClass.info member TypeName("List") res3: scala.reflect.runtime.universe.Symbol = type List
scala> res3.fullName res4: String = scala.List
To be consistent with Scala name resolution rules, in case of ambiguity between a package and an object, the object is never been considered.
For example for the following code:
package foo { class B }
object foo { class A class B }
staticClass("foo.B") will resolve to the symbol corresponding to the class B declared in the package foo, and staticClass("foo.A") will throw a ScalaReflectionException.
In the example above, to load a symbol that corresponds to the class B declared in the object foo, use staticModule("foo") to load the module symbol and then navigate info.members of its moduleClass.
- Definition Classes
- Mirror
-
abstract
def
staticModule(fullName: String): Universe.ModuleSymbol
The symbol corresponding to the globally accessible object with the given fully qualified name
fullName
.The symbol corresponding to the globally accessible object with the given fully qualified name
fullName
.To be consistent with Scala name resolution rules, in case of ambiguity between a package and an object, the object is never been considered.
For example for the following code:
package foo { object B }
object foo { object A object B }
staticModule("foo.B") will resolve to the symbol corresponding to the object B declared in the package foo, and staticModule("foo.A") will throw a ScalaReflectionException
In the example above, to load a symbol that corresponds to the object B declared in the object foo, use staticModule("foo") to load the module symbol and then navigate info.members of its moduleClass.
- Definition Classes
- Mirror
-
abstract
def
staticPackage(fullName: String): Universe.ModuleSymbol
The symbol corresponding to a package with the given fully qualified name
fullName
.The symbol corresponding to a package with the given fully qualified name
fullName
.- Definition Classes
- Mirror
-
abstract
def
symbolOf[T](implicit arg0: Universe.WeakTypeTag[T]): Universe.TypeSymbol
Type symbol of
x
as derived from a type tag.Type symbol of
x
as derived from a type tag.- Definition Classes
- Mirror
-
abstract
val
universe: Mirrors.this.type
The universe this mirror belongs to.
The universe this mirror belongs to.
- Definition Classes
- Mirror
Concrete Value Members
-
final
def
!=(arg0: Any): Boolean
Test two objects for inequality.
Test two objects for inequality.
- returns
true
if !(this == that), false otherwise.
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
Equivalent to
x.hashCode
except for boxed numeric types andnull
.Equivalent to
x.hashCode
except for boxed numeric types andnull
. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. Fornull
returns a hashcode wherenull.hashCode
throws aNullPointerException
.- returns
a hash value consistent with ==
- Definition Classes
- AnyRef → Any
-
def
+(other: String): String
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to any2stringadd[Universe.ReflectiveMirror] performed by method any2stringadd in scala.Predef.
- Definition Classes
- any2stringadd
-
def
->[B](y: B): (Universe.ReflectiveMirror, B)
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to ArrowAssoc[Universe.ReflectiveMirror] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @inline()
-
final
def
==(arg0: Any): Boolean
The expression
x == that
is equivalent toif (x eq null) that eq null else x.equals(that)
.The expression
x == that
is equivalent toif (x eq null) that eq null else x.equals(that)
.- returns
true
if the receiver object is equivalent to the argument;false
otherwise.
- Definition Classes
- AnyRef → Any
-
final
def
asInstanceOf[T0]: T0
Cast the receiver object to be of type
T0
.Cast the receiver object to be of type
T0
.Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression
1.asInstanceOf[String]
will throw aClassCastException
at runtime, while the expressionList(1).asInstanceOf[List[String]]
will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.- returns
the receiver object.
- Definition Classes
- Any
- Exceptions thrown
ClassCastException
if the receiver object is not an instance of the erasure of typeT0
.
-
def
clone(): AnyRef
Create a copy of the receiver object.
Create a copy of the receiver object.
The default implementation of the
clone
method is platform dependent.- returns
a copy of the receiver object.
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
- Note
not specified by SLS as a member of AnyRef
-
def
ensuring(cond: (Universe.ReflectiveMirror) ⇒ Boolean, msg: ⇒ Any): Universe.ReflectiveMirror
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to Ensuring[Universe.ReflectiveMirror] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: (Universe.ReflectiveMirror) ⇒ Boolean): Universe.ReflectiveMirror
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to Ensuring[Universe.ReflectiveMirror] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean, msg: ⇒ Any): Universe.ReflectiveMirror
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to Ensuring[Universe.ReflectiveMirror] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean): Universe.ReflectiveMirror
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to Ensuring[Universe.ReflectiveMirror] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
final
def
eq(arg0: AnyRef): Boolean
Tests whether the argument (
that
) is a reference to the receiver object (this
).Tests whether the argument (
that
) is a reference to the receiver object (this
).The
eq
method implements an equivalence relation on non-null instances ofAnyRef
, and has three additional properties:- It is consistent: for any non-null instances
x
andy
of typeAnyRef
, multiple invocations ofx.eq(y)
consistently returnstrue
or consistently returnsfalse
. - For any non-null instance
x
of typeAnyRef
,x.eq(null)
andnull.eq(x)
returnsfalse
. null.eq(null)
returnstrue
.
When overriding the
equals
orhashCode
methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2
), they should be equal to each other (o1 == o2
) and they should hash to the same value (o1.hashCode == o2.hashCode
).- returns
true
if the argument is a reference to the receiver object;false
otherwise.
- Definition Classes
- AnyRef
- It is consistent: for any non-null instances
-
def
equals(arg0: Any): Boolean
The equality method for reference types.
-
def
finalize(): Unit
Called by the garbage collector on the receiver object when there are no more references to the object.
Called by the garbage collector on the receiver object when there are no more references to the object.
The details of when and if the
finalize
method is invoked, as well as the interaction betweenfinalize
and non-local returns and exceptions, are all platform dependent.- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] )
- Note
not specified by SLS as a member of AnyRef
-
def
formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to StringFormat[Universe.ReflectiveMirror] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @inline()
-
final
def
getClass(): Class[_]
Returns the runtime class representation of the object.
Returns the runtime class representation of the object.
- returns
a class object corresponding to the runtime type of the receiver.
- Definition Classes
- AnyRef → Any
-
def
hashCode(): Int
The hashCode method for reference types.
-
final
def
isInstanceOf[T0]: Boolean
Test whether the dynamic type of the receiver object is
T0
.Test whether the dynamic type of the receiver object is
T0
.Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression
1.isInstanceOf[String]
will returnfalse
, while the expressionList(1).isInstanceOf[List[String]]
will returntrue
. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the specified type.- returns
true
if the receiver object is an instance of erasure of typeT0
;false
otherwise.
- Definition Classes
- Any
-
final
def
ne(arg0: AnyRef): Boolean
Equivalent to
!(this eq that)
.Equivalent to
!(this eq that)
.- returns
true
if the argument is not a reference to the receiver object;false
otherwise.
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
Wakes up a single thread that is waiting on the receiver object's monitor.
Wakes up a single thread that is waiting on the receiver object's monitor.
- Definition Classes
- AnyRef
- Note
not specified by SLS as a member of AnyRef
-
final
def
notifyAll(): Unit
Wakes up all threads that are waiting on the receiver object's monitor.
Wakes up all threads that are waiting on the receiver object's monitor.
- Definition Classes
- AnyRef
- Note
not specified by SLS as a member of AnyRef
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
def
toString(): String
Creates a String representation of this object.
Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.
- returns
a String representation of the object.
- Definition Classes
- AnyRef → Any
-
def
typeOf[T](implicit arg0: Universe.TypeTag[T]): Universe.Type
Shortcut for
implicitly[TypeTag[T]].tpe
Shortcut for
implicitly[TypeTag[T]].tpe
- Definition Classes
- Mirror
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
def
weakTypeOf[T](implicit arg0: Universe.WeakTypeTag[T]): Universe.Type
Shortcut for
implicitly[WeakTypeTag[T]].tpe
Shortcut for
implicitly[WeakTypeTag[T]].tpe
- Definition Classes
- Mirror
-
def
→[B](y: B): (Universe.ReflectiveMirror, B)
- Implicit
- This member is added by an implicit conversion from Universe.ReflectiveMirror to ArrowAssoc[Universe.ReflectiveMirror] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc