Class PythonVisitorContext

java.lang.Object

io.micronaut.python.processing.visitor.PythonVisitorContext

All Implemented Interfaces:

ConversionServiceProvider, ConvertibleValues<Object>, MutableConvertibleValues<Object>, ValueResolver<CharSequence>, VisitorContext, ClassWriterOutputVisitor, Iterable<Map.Entry<String,Object>>

public final class PythonVisitorContext
extends Object
implements VisitorContext

Visitor context implementation backed by the Python processing environment.

Nested Class Summary

Nested classes/interfaces inherited from interface VisitorContext

VisitorContext.Language

Field Summary

Fields inherited from interface ConvertibleValues

EMPTY

Fields inherited from interface VisitorContext

MICRONAUT_BASE_OPTION_NAME, MICRONAUT_PROCESSING_GROUP, MICRONAUT_PROCESSING_MODULE, MICRONAUT_PROCESSING_PROJECT_DIR, MICRONAUT_PROCESSING_USE_CONTEXT_CLASSLOADER

Constructor Summary

Constructors

Constructor	Description
PythonVisitorContext(Map<String, DecoratorDef> decorators, PythonProcessingEnvironment processingEnvironment)
PythonVisitorContext(Map<String, DecoratorDef> decorators, PythonProcessingEnvironment processingEnvironment, JavaVisitorContext javaVisitorContext)

Method Summary

Modifier and Type	Method	Description
void	addGeneratedResource(String resource)	Some TypeElementVisitors generate classpath resources that other visitors might be interested in.
MutableConvertibleValues<Object>	clear()	Clear all values.
void	fail(String message, Element element)	Allows failing compilation for a given element with the given message.
void	finish()	Finish writing and flush any service entries to disk.
<T> Optional<T>	get(CharSequence name, ArgumentConversionContext<T> conversionContext)	Resolve the given property for the given name.
PythonAnnotationMetadataBuilder	getAnnotationMetadataBuilder()	Gets the annotation metadata builder.
Optional<ClassElement>	getClassElement(String name)	This method will look up another class element by name.
Optional<ClassElement>	getClassElement(String name, ElementAnnotationMetadataFactory annotationMetadataFactory)	This method will look up another class element by name.
ClassElement[]	getClassElements(String aPackage, String... stereotypes)	Find all the classes within the given package and having the given annotation.
PythonElementAnnotationMetadataFactory	getElementAnnotationMetadataFactory()	Gets the element annotation metadata factory.
ElementFactory<?,?,?,?>	getElementFactory()	Gets the element factory for this visitor context.
ExpressionCompilationContextFactory	getExpressionCompilationContextFactory()
Collection<String>	getGeneratedResources()	Provide a collection of generated classpath resources that other TypeElement visitors might want to consume.
JavaVisitorContext	getJavaVisitorContext()
VisitorContext.Language	getLanguage()
PythonProcessingEnvironment	getProcessingEnvironment()
void	info(String message)	Allows printing informational messages.
void	info(String message, Element element)	Allows printing informational messages.
Set<String>	names()
MutableConvertibleValues<Object>	put(CharSequence key, Object value)	Insert a value for the given key and value.
MutableConvertibleValues<Object>	remove(CharSequence key)	Remove a value for the given key.
Collection<Object>	values()
OutputStream	visitClass(String classname, Element... originatingElements)	Visits a new class and returns the output stream with which should be written the bytes of the class to be generated.
Optional<GeneratedFile>	visitGeneratedFile(String path)	Visit a file that will be located within the generated source directory.
Optional<GeneratedFile>	visitGeneratedFile(String path, Element... originatingElements)	Visit a file that will be generated within the generated 'sources' directory.
Optional<GeneratedFile>	visitGeneratedSourceFile(String packageName, String fileNameWithoutExtension, Element... originatingElements)	Visit a source file that will be generated within the generated 'sources' directory.
Optional<GeneratedFile>	visitMetaInfFile(String path, Element... originatingElements)	Visit a file within the META-INF directory.
void	visitServiceDescriptor(String type, String classname)	Allows adding a class that will be written to the META-INF/services file under the given type and class name.
void	visitServiceDescriptor(String type, String classname, Element originatingElement)	Allows adding a class that will be written to the META-INF/services file under the given type and class name.
void	warn(String message, Element element)	Allows printing a warning for the given message and element.

Methods inherited from class Object

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

Methods inherited from interface ClassWriterOutputVisitor

getServiceEntries, visitClass, visitClass, visitMetaInfFile, visitServiceDescriptor, visitServiceDescriptor

Methods inherited from interface ConvertibleValues

asMap, asMap, asProperties, contains, forEach, getConversionService, getValue, getValueType, isEmpty, iterator, subMap, subMap, subMap

Methods inherited from interface Iterable

forEach, spliterator

Methods inherited from interface MutableConvertibleValues

putAll, putAll

Methods inherited from interface ValueResolver

get, get, get

Methods inherited from interface VisitorContext

getAnnotationDefaultValues, getAnnotationRetentionPolicy, getClassElement, getClassElements, getClassesOutputPath, getClasspathResources, getConfiguration, getOptions, getProjectDir, getRequiredClassElement

Constructor Details

PythonVisitorContext

public PythonVisitorContext(Map<String, DecoratorDef> decorators,
 PythonProcessingEnvironment processingEnvironment)

PythonVisitorContext

public PythonVisitorContext(Map<String, DecoratorDef> decorators,
 PythonProcessingEnvironment processingEnvironment,
 JavaVisitorContext javaVisitorContext)

Method Details

getJavaVisitorContext

public JavaVisitorContext getJavaVisitorContext()

getProcessingEnvironment

public PythonProcessingEnvironment getProcessingEnvironment()

getLanguage

public VisitorContext.Language getLanguage()

Specified by:

getLanguage in interface VisitorContext

Returns:

The visitor context's language.

getElementFactory

public ElementFactory<?,?,?,?> getElementFactory()

Description copied from interface: VisitorContext

Gets the element factory for this visitor context.

Specified by:

getElementFactory in interface VisitorContext

Returns:

The element factory

getElementAnnotationMetadataFactory

public PythonElementAnnotationMetadataFactory getElementAnnotationMetadataFactory()

Description copied from interface: VisitorContext

Gets the element annotation metadata factory.

Specified by:

getElementAnnotationMetadataFactory in interface VisitorContext

Returns:

The element annotation metadata factory

getExpressionCompilationContextFactory

public ExpressionCompilationContextFactory getExpressionCompilationContextFactory()

Specified by:

getExpressionCompilationContextFactory in interface VisitorContext

Returns:

The expression compilation context factory.

getAnnotationMetadataBuilder

public PythonAnnotationMetadataBuilder getAnnotationMetadataBuilder()

Description copied from interface: VisitorContext

Gets the annotation metadata builder.

Specified by:

getAnnotationMetadataBuilder in interface VisitorContext

Returns:

The annotation metadata builder

info

public void info(String message,
 Element element)

Description copied from interface: VisitorContext

Allows printing informational messages.

Specified by:

info in interface VisitorContext

Parameters:

message - The message

element - The element

info

public void info(String message)

Description copied from interface: VisitorContext

Allows printing informational messages.

Specified by:

info in interface VisitorContext

Parameters:

message - The message

fail

public void fail(String message,
 Element element)

Description copied from interface: VisitorContext

Allows failing compilation for a given element with the given message.

Specified by:

fail in interface VisitorContext

Parameters:

message - The message

element - The element

warn

public void warn(String message,
 Element element)

Description copied from interface: VisitorContext

Allows printing a warning for the given message and element.

Specified by:

warn in interface VisitorContext

Parameters:

message - The message

element - The element

visitMetaInfFile

public Optional<GeneratedFile> visitMetaInfFile(String path,
 Element... originatingElements)

Description copied from interface: VisitorContext

Visit a file within the META-INF directory.

Specified by:

visitMetaInfFile in interface ClassWriterOutputVisitor

Specified by:

visitMetaInfFile in interface VisitorContext

Parameters:

path - The path to the file

originatingElements - The originating elements

Returns:

An optional file it was possible to create it

visitGeneratedFile

public Optional<GeneratedFile> visitGeneratedFile(String path)

Description copied from interface: VisitorContext

Visit a file that will be located within the generated source directory.

Specified by:

visitGeneratedFile in interface ClassWriterOutputVisitor

Specified by:

visitGeneratedFile in interface VisitorContext

Parameters:

path - The path to the file

Returns:

An optional file it was possible to create it

put

public MutableConvertibleValues<Object> put(CharSequence key,
 Object value)

Description copied from interface: MutableConvertibleValues

Insert a value for the given key and value.

Specified by:

put in interface MutableConvertibleValues<Object>

Parameters:

key - The key

value - The value

Returns:

This values instance

remove

public MutableConvertibleValues<Object> remove(CharSequence key)

Description copied from interface: MutableConvertibleValues

Remove a value for the given key.

Specified by:

remove in interface MutableConvertibleValues<Object>

Parameters:

key - The key

Returns:

This values instance

clear

public MutableConvertibleValues<Object> clear()

Description copied from interface: MutableConvertibleValues

Clear all values.

Specified by:

clear in interface MutableConvertibleValues<Object>

Returns:

This values instance

names

public Set<String> names()

Specified by:

names in interface ConvertibleValues<Object>

Returns:

The names of the values

values

public Collection<Object> values()

Specified by:

values in interface ConvertibleValues<Object>

Returns:

The values

get

public <T> Optional<T> get(CharSequence name,
 ArgumentConversionContext<T> conversionContext)

Description copied from interface: ValueResolver

Resolve the given property for the given name.

Specified by:

get in interface ValueResolver<CharSequence>

Type Parameters:

T - The concrete type

Parameters:

name - The name

conversionContext - The conversion context

Returns:

An optional containing the property value if it exists and is able to be converted

visitClass

public OutputStream visitClass(String classname,
 Element... originatingElements)
                        throws IOException

Description copied from interface: ClassWriterOutputVisitor

Visits a new class and returns the output stream with which should be written the bytes of the class to be generated.

Note that this method should only be called from a TypeElementVisitor.VisitorKind.AGGREGATING visitor from within the TypeElementVisitor.finish(io.micronaut.inject.visitor.VisitorContext) method. If the file

Specified by:

visitClass in interface ClassWriterOutputVisitor

Parameters:

classname - the fully qualified classname

originatingElements - The originating elements

Returns:

the output stream to write to

Throws:

IOException - if an error occurs creating the output stream

visitServiceDescriptor

public void visitServiceDescriptor(String type,
 String classname)

Description copied from interface: ClassWriterOutputVisitor

Allows adding a class that will be written to the META-INF/services file under the given type and class name.

Specified by:

visitServiceDescriptor in interface ClassWriterOutputVisitor

Parameters:

type - the fully qualified service name

classname - the fully qualified classname

visitServiceDescriptor

public void visitServiceDescriptor(String type,
 String classname,
 Element originatingElement)

Description copied from interface: ClassWriterOutputVisitor

Allows adding a class that will be written to the META-INF/services file under the given type and class name.

Specified by:

visitServiceDescriptor in interface ClassWriterOutputVisitor

Parameters:

type - the fully qualified service name

classname - the fully qualified classname

originatingElement - The originating element

visitGeneratedFile

public Optional<GeneratedFile> visitGeneratedFile(String path,
 Element... originatingElements)

Description copied from interface: ClassWriterOutputVisitor

Visit a file that will be generated within the generated 'sources' directory.

Specified by:

visitGeneratedFile in interface ClassWriterOutputVisitor

Parameters:

path - The path

originatingElements - the originating elements

Returns:

The file if it was possible to create it

visitGeneratedSourceFile

public Optional<GeneratedFile> visitGeneratedSourceFile(String packageName,
 String fileNameWithoutExtension,
 Element... originatingElements)

Description copied from interface: ClassWriterOutputVisitor

Visit a source file that will be generated within the generated 'sources' directory.

Specified by:

visitGeneratedSourceFile in interface ClassWriterOutputVisitor

Parameters:

packageName - The package for the source file

fileNameWithoutExtension - the name of the source file, without extension (determined automatically)

originatingElements - the originating elements

Returns:

The file if it was possible to create it

getClassElement

public Optional<ClassElement> getClassElement(String name,
 ElementAnnotationMetadataFactory annotationMetadataFactory)

Description copied from interface: VisitorContext

This method will look up another class element by name. If it cannot be found an empty optional will be returned.

Specified by:

getClassElement in interface VisitorContext

Parameters:

name - The name

annotationMetadataFactory - The element annotation metadata factory

Returns:

The class element

getClassElement

public Optional<ClassElement> getClassElement(String name)

Description copied from interface: VisitorContext

This method will look up another class element by name. If it cannot be found an empty optional will be returned.

Specified by:

getClassElement in interface VisitorContext

Parameters:

name - The name

Returns:

The class element

getClassElements

public ClassElement[] getClassElements(String aPackage,
 String... stereotypes)

Description copied from interface: VisitorContext

Find all the classes within the given package and having the given annotation.

Specified by:

getClassElements in interface VisitorContext

Parameters:

aPackage - The package

stereotypes - The stereotypes

Returns:

The class elements

finish

public void finish()

Description copied from interface: ClassWriterOutputVisitor

Finish writing and flush any service entries to disk.

Specified by:

finish in interface ClassWriterOutputVisitor

addGeneratedResource

public void addGeneratedResource(String resource)

Description copied from interface: VisitorContext

Some TypeElementVisitors generate classpath resources that other visitors might be interested in. The generated resources are intended to be strings paths relative to the classpath root

Specified by:

addGeneratedResource in interface VisitorContext

Parameters:

resource - the relative path to add

getGeneratedResources

public Collection<String> getGeneratedResources()

Description copied from interface: VisitorContext

Provide a collection of generated classpath resources that other TypeElement visitors might want to consume. The generated resources are intended to be strings paths relative to the classpath root.

Specified by:

getGeneratedResources in interface VisitorContext

Returns:

a possibly empty collection of resource paths