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jdk.dynalink.beans

pack-priv Class OverloadedDynamicMethod

extends DynamicMethod
Class Inheritance
Imports
java.lang.invoke.MethodHandle, .MethodType, java.text.Collator, java.util.ArrayList, .IdentityHashMap, .LinkedList, .List, .Map, .Set, jdk.dynalink.CallSiteDescriptor, jdk.dynalink.beans.ApplicableOverloadedMethods.ApplicabilityTest, jdk.dynalink.internal.InternalTypeUtilities, jdk.dynalink.linker.LinkerServices
Represents a group of SingleDynamicMethod objects that represents all overloads of a particular name (or all constructors) for a particular class. Correctly handles overload resolution, variable arity methods, and caller sensitive methods within the overloads.

Field Summary

Modifier and TypeField and Description
private final LinkedList<SingleDynamicMethod>
methods

Holds a list of all methods.

private static final Set<Class<?>>
PRIMITIVE_WRAPPER_TYPES

Constructor Summary

AccessConstructor and Description
pack-priv
OverloadedDynamicMethod(final Class<?>
the class this method belongs to
clazz, final String
the name of the method
name)

Creates a new overloaded dynamic method.

Method Summary

Modifier and TypeMethod and Description
private static void
addClassHierarchy(final Map<Class<?>, Class<?>> map, final Class<?> clazz)

public void
addMethod(final SingleDynamicMethod
a method to add
method)

Add a method to this overloaded method's set.

private boolean
constructorFlagConsistent(final SingleDynamicMethod method)

public boolean
contains(final SingleDynamicMethod m)

Implements abstract jdk.dynalink.beans.DynamicMethod.contains.

True if this dynamic method already contains a method with an identical signature as the passed in method.

private static Set<Class<?>>
createPrimitiveWrapperTypes()

private ApplicableOverloadedMethods
getApplicables(final MethodType callSiteType, final ApplicableOverloadedMethods.ApplicabilityTest test)

private static ClassLoader
getCallSiteClassLoader(final CallSiteDescriptor callSiteDescriptor)

pack-priv MethodHandle
getInvocation(final CallSiteDescriptor callSiteDescriptor, final LinkerServices linkerServices)

Implements abstract jdk.dynalink.beans.DynamicMethod.getInvocation.

Creates an invocation for the dynamic method.

pack-priv SingleDynamicMethod
getMethodForExactParamTypes(final String paramTypes)

Implements abstract jdk.dynalink.beans.DynamicMethod.getMethodForExactParamTypes.

Returns a single dynamic method representing a single underlying Java method (possibly selected among several overloads) with formal parameter types exactly matching the passed signature.

private static boolean
isApplicableDynamically(final LinkerServices linkerServices, final MethodType callSiteType, final SingleDynamicMethod m)

private static boolean
isApplicableDynamically(final LinkerServices linkerServices, final Class<?> callSiteType, final Class<?> methodType)

private static boolean

Returns:

true if the class can be assigned from any boxed primitive. Basically, it is true if the class is any primitive wrapper class, or a superclass or superinterface of any primitive wrapper class.
isAssignableFromBoxedPrimitive(final Class<?>
the class
clazz)

Returns true if the class can be assigned from any boxed primitive.

public boolean
isConstructor()

Overrides jdk.dynalink.beans.DynamicMethod.isConstructor.

True if this method happens to be a constructor method.

private static boolean

Returns:

true if callSiteType is potentially convertible to the methodType.
isPotentiallyConvertible(final Class<?>
the parameter type at the call site
callSiteType, final Class<?>
the parameter type in the method declaration
methodType)

Determines whether one type can be potentially converted to another type at runtime.

public String
toString()

Overrides jdk.dynalink.beans.DynamicMethod.toString.

Returns a string representation of the object.

Inherited from jdk.dynalink.beans.DynamicMethod:
getClassAndMethodNamegetName

Field Detail

methodsback to summary
private final LinkedList<SingleDynamicMethod> methods

Holds a list of all methods.

PRIMITIVE_WRAPPER_TYPESback to summary
private static final Set<Class<?>> PRIMITIVE_WRAPPER_TYPES

Constructor Detail

OverloadedDynamicMethodback to summary
pack-priv OverloadedDynamicMethod(final Class<?> clazz, final String name)

Creates a new overloaded dynamic method.

Parameters
clazz:Class<?>

the class this method belongs to

name:String

the name of the method

Method Detail

addClassHierarchyback to summary
private static void addClassHierarchy(final Map<Class<?>, Class<?>> map, final Class<?> clazz)
addMethodback to summary
public void addMethod(final SingleDynamicMethod method)

Add a method to this overloaded method's set.

Parameters
method:SingleDynamicMethod

a method to add

constructorFlagConsistentback to summary
private boolean constructorFlagConsistent(final SingleDynamicMethod method)
containsback to summary
public boolean contains(final SingleDynamicMethod m)

Implements abstract jdk.dynalink.beans.DynamicMethod.contains.

Doc from jdk.dynalink.beans.DynamicMethod.contains.

True if this dynamic method already contains a method with an identical signature as the passed in method.

Annotations
@Override
createPrimitiveWrapperTypesback to summary
private static Set<Class<?>> createPrimitiveWrapperTypes()
getApplicablesback to summary
private ApplicableOverloadedMethods getApplicables(final MethodType callSiteType, final ApplicableOverloadedMethods.ApplicabilityTest test)
getCallSiteClassLoaderback to summary
private static ClassLoader getCallSiteClassLoader(final CallSiteDescriptor callSiteDescriptor)
getInvocationback to summary
pack-priv MethodHandle getInvocation(final CallSiteDescriptor callSiteDescriptor, final LinkerServices linkerServices)

Implements abstract jdk.dynalink.beans.DynamicMethod.getInvocation.

Doc from jdk.dynalink.beans.DynamicMethod.getInvocation.

Creates an invocation for the dynamic method. If the method is overloaded, it will perform overloaded method resolution based on the specified method type. The resulting resolution can either identify a single method to be invoked among the overloads, or it can identify multiple ones. In the latter case, the returned method handle will perform further overload resolution among these candidates at every invocation. If the method to be invoked is a variable arguments (vararg) method, it will pack the extra arguments in an array before the invocation of the underlying method if it is not already done.

Annotations
@Override
getMethodForExactParamTypesback to summary
pack-priv SingleDynamicMethod getMethodForExactParamTypes(final String paramTypes)

Implements abstract jdk.dynalink.beans.DynamicMethod.getMethodForExactParamTypes.

Doc from jdk.dynalink.beans.DynamicMethod.getMethodForExactParamTypes.

Returns a single dynamic method representing a single underlying Java method (possibly selected among several overloads) with formal parameter types exactly matching the passed signature.

Annotations
@Override
isApplicableDynamicallyback to summary
private static boolean isApplicableDynamically(final LinkerServices linkerServices, final MethodType callSiteType, final SingleDynamicMethod m)
isApplicableDynamicallyback to summary
private static boolean isApplicableDynamically(final LinkerServices linkerServices, final Class<?> callSiteType, final Class<?> methodType)
isAssignableFromBoxedPrimitiveback to summary
private static boolean isAssignableFromBoxedPrimitive(final Class<?> clazz)

Returns true if the class can be assigned from any boxed primitive.

Parameters
clazz:Class<?>

the class

Returns:boolean

true if the class can be assigned from any boxed primitive. Basically, it is true if the class is any primitive wrapper class, or a superclass or superinterface of any primitive wrapper class.

isConstructorback to summary
public boolean isConstructor()

Overrides jdk.dynalink.beans.DynamicMethod.isConstructor.

Doc from jdk.dynalink.beans.DynamicMethod.isConstructor.

True if this method happens to be a constructor method.

Annotations
@Override
isPotentiallyConvertibleback to summary
private static boolean isPotentiallyConvertible(final Class<?> callSiteType, final Class<?> methodType)

Determines whether one type can be potentially converted to another type at runtime. Allows a conversion between any subtype and supertype in either direction, and also allows a conversion between any two primitive types, as well as between any primitive type and any reference type that can hold a boxed primitive.

Parameters
callSiteType:Class<?>

the parameter type at the call site

methodType:Class<?>

the parameter type in the method declaration

Returns:boolean

true if callSiteType is potentially convertible to the methodType.

toStringback to summary
public String toString()

Overrides jdk.dynalink.beans.DynamicMethod.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Annotations
@Override