Module io.helidon.graal.nativeimage

Package io.helidon.integrations.graal.nativeimage.extension

Class NativeUtil

java.lang.Object

io.helidon.integrations.graal.nativeimage.extension.NativeUtil

public final class NativeUtil
extends Object

Utilities to help with discovery and analysis of the image.

Method Summary

Modifier and Type	Method	Description
Function<String,Class<?>>	classMapper(String description)	Class mapper.
static NativeUtil	create(NativeTrace tracer, io.github.classgraph.ScanResult scan, Function<String,Class<?>> classResolver, Function<Class<?>,Boolean> exclusion)	Create a new instance.
Set<Class<?>>	findAnnotated(String annotation)	Find all classes annotated with the provided annotation.
Set<Class<?>>	findInterfaces(Class<?> aClass)	Get all interfaces of the type.
Set<Class<?>>	findSubclasses(String superclassName)	Find all direct subclasses of the provided type.
Set<Class<?>>	findSuperclasses(Class<?> aClass)	Find all superclasses of this type.
Class<?>	getSimpleType(Function<String,Class<?>> classResolver, io.github.classgraph.FieldInfo fieldInfo)	Get the type of the field.
Class<?>	getSimpleType(Function<String,Class<?>> classResolver, io.github.classgraph.MethodParameterInfo paramInfo)	Get the type of the parameter.
boolean	hasParams(Method method, Class<?>... params)	Check if method has the required parameters.
Predicate<Class<?>>	inclusionFilter(String description)	Filter to exclude types that are marked as excluded.

Methods inherited from class java.lang.Object

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

Method Details

create

public static NativeUtil create(NativeTrace tracer,
 io.github.classgraph.ScanResult scan,
 Function<String,Class<?>> classResolver,
 Function<Class<?>,Boolean> exclusion)

Create a new instance.

Parameters:

tracer - tracer to log messages

scan - classpath scan result

classResolver - resolver of class names to classes

exclusion - excluded classes

Returns:

a new utility

getSimpleType

public Class<?> getSimpleType(Function<String,Class<?>> classResolver,
 io.github.classgraph.FieldInfo fieldInfo)

Get the type of the field.

Parameters:

classResolver - resolver of names to classes

fieldInfo - field info to get type from

Returns:

class of the field

findAnnotated

public Set<Class<?>> findAnnotated(String annotation)

Find all classes annotated with the provided annotation.

Parameters:

annotation - annotation to look for

Returns:

set of annotated types

inclusionFilter

public Predicate<Class<?>> inclusionFilter(String description)

Filter to exclude types that are marked as excluded.

Parameters:

description - filter description

Returns:

a new predicate

classMapper

public Function<String,Class<?>> classMapper(String description)

Class mapper.

Parameters:

description - description of this instance

Returns:

a new mapper from class names to classes

getSimpleType

public Class<?> getSimpleType(Function<String,Class<?>> classResolver,
 io.github.classgraph.MethodParameterInfo paramInfo)

Get the type of the parameter.

Parameters:

classResolver - resolver of names to classes

paramInfo - parameter info to get type from

Returns:

class of the parameter

hasParams

public boolean hasParams(Method method,
 Class<?>... params)

Check if method has the required parameters.

Parameters:

method - method to check

params - parameters to expect

Returns:

true if parameters of the method match the expected parameters

findSuperclasses

public Set<Class<?>> findSuperclasses(Class<?> aClass)

Find all superclasses of this type.

Parameters:

aClass - type

Returns:

all super types

findInterfaces

public Set<Class<?>> findInterfaces(Class<?> aClass)

Get all interfaces of the type.

Parameters:

aClass - class to get interfaces for

Returns:

set of interfaces with proper exclusions

findSubclasses

public Set<Class<?>> findSubclasses(String superclassName)

Find all direct subclasses of the provided type.

Parameters:

superclassName - type

Returns:

subclasses