io.micronaut.context

Class AbstractBeanResolutionContext

java.lang.Object

io.micronaut.context.AbstractBeanResolutionContext

All Implemented Interfaces:

BeanResolutionContext, ValueResolver<CharSequence>, AutoCloseable

Direct Known Subclasses:

DefaultBeanResolutionContext

@Internal
public abstract class AbstractBeanResolutionContext
extends Object
implements BeanResolutionContext

Default implementation of the BeanResolutionContext interface.

Since:

1.2.3

Author:

Graeme Rocher

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractBeanResolutionContext.AnnotationSegment A segment that represents annotation.
static class	AbstractBeanResolutionContext.ConstructorArgumentSegment A segment that represents a method argument.
static class	AbstractBeanResolutionContext.ConstructorSegment A segment that represents a constructor.
static class	AbstractBeanResolutionContext.FieldSegment A segment that represents a field.
static class	AbstractBeanResolutionContext.MethodArgumentSegment A segment that represents a method argument.
static class	AbstractBeanResolutionContext.MethodSegment A segment that represents a method.

Nested classes/interfaces inherited from interface io.micronaut.context.BeanResolutionContext

BeanResolutionContext.Path, BeanResolutionContext.Segment<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected DefaultBeanContext	context
protected BeanResolutionContext.Path	path
protected BeanDefinition<?>	rootDefinition

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBeanResolutionContext(DefaultBeanContext context, BeanDefinition<?> rootDefinition)

Method Summary

Modifier and Type	Method and Description
<T> void	addDependentBean(BeanRegistration<T> beanRegistration) Adds a dependent bean to the resolution context.
void	copyStateFrom(AbstractBeanResolutionContext context) Copy the state from a previous resolution context.
void	destroyInjectScopedBeans() Call back to destroy any InjectScope beans.
<T> Optional<T>	findBean(Argument<T> beanType, Qualifier<T> qualifier) Find an optional bean of the given type and qualifier.
<T> Optional<T>	get(CharSequence name, ArgumentConversionContext<T> conversionContext) Resolve the given property for the given name.
<T> Optional<T>	get(CharSequence name, Class<T> requiredType) Resolve the given property for the given name.
List<BeanRegistration<?>>	getAndResetDependentBeans()
BeanRegistration<?>	getAndResetDependentFactoryBean()
Object	getAttribute(CharSequence key)
<T> T	getBean(Argument<T> beanType, Qualifier<T> qualifier) Get a bean of the given type and qualifier.
<T> Collection<BeanRegistration<T>>	getBeanRegistrations(Argument<T> beanType, Qualifier<T> qualifier) Obtains the bean registrations for the given type and qualifier.
<T> Collection<T>	getBeansOfType(Argument<T> beanType, Qualifier<T> qualifier) Get all beans of the given type and qualifier.
BeanContext	getContext()
Qualifier<?>	getCurrentQualifier()
BeanResolutionContext.Path	getPath()
BeanDefinition	getRootDefinition()
<T> T	inject(BeanDefinition<?> beanDefinition, T instance) Injects a bean.
void	markDependentAsFactory() Marks first dependent as factory.
protected void	onNewSegment(BeanResolutionContext.Segment<?> segment)
List<BeanRegistration<?>>	popDependentBeans()
void	pushDependentBeans(List<BeanRegistration<?>> dependentBeans) The push the current dependent beans that must be destroyed by an upstream bean.
Object	removeAttribute(CharSequence key) Remove the attribute for the given key.
Object	setAttribute(CharSequence key, Object value) Store a value within the context.
void	setCurrentQualifier(Qualifier<?> qualifier) Sets the current qualifier.
<T> Stream<T>	streamOfType(Argument<T> beanType, Qualifier<T> qualifier) Obtains a stream of beans of the given type and qualifier.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.context.BeanResolutionContext

addInFlightBean, close, copy, getInFlightBean, removeInFlightBean

Methods inherited from interface io.micronaut.core.value.ValueResolver

get, get

Field Detail

context

protected final DefaultBeanContext context

rootDefinition

protected final BeanDefinition<?> rootDefinition

path

protected final BeanResolutionContext.Path path

Constructor Detail

AbstractBeanResolutionContext

@Internal
protected AbstractBeanResolutionContext(DefaultBeanContext context,
                                                  BeanDefinition<?> rootDefinition)

Parameters:

context - The bean context

rootDefinition - The bean root definition

Method Detail

getBean

@NonNull
public <T> T getBean(@NonNull
                              Argument<T> beanType,
                              @Nullable
                              Qualifier<T> qualifier)

Description copied from interface: BeanResolutionContext

Get a bean of the given type and qualifier.

Specified by:

getBean in interface BeanResolutionContext

Type Parameters:

T - The bean type parameter

Parameters:

beanType - The bean type

qualifier - The qualifier

Returns:

The found bean

getBeansOfType

@NonNull
public <T> Collection<T> getBeansOfType(@NonNull
                                                 Argument<T> beanType,
                                                 @Nullable
                                                 Qualifier<T> qualifier)

Description copied from interface: BeanResolutionContext

Get all beans of the given type and qualifier.

Specified by:

getBeansOfType in interface BeanResolutionContext

Type Parameters:

T - The bean type parameter

Parameters:

beanType - The bean type

qualifier - The qualifier

Returns:

The found beans

streamOfType

@NonNull
public <T> Stream<T> streamOfType(@NonNull
                                           Argument<T> beanType,
                                           @Nullable
                                           Qualifier<T> qualifier)

Description copied from interface: BeanResolutionContext

Obtains a stream of beans of the given type and qualifier.

Specified by:

streamOfType in interface BeanResolutionContext

Type Parameters:

T - The bean concrete type

Parameters:

beanType - The bean type

qualifier - The qualifier

Returns:

A stream

findBean

@NonNull
public <T> Optional<T> findBean(@NonNull
                                         Argument<T> beanType,
                                         @Nullable
                                         Qualifier<T> qualifier)

Description copied from interface: BeanResolutionContext

Find an optional bean of the given type and qualifier.

Specified by:

findBean in interface BeanResolutionContext

Type Parameters:

T - The bean type parameter

Parameters:

beanType - The bean type

qualifier - The qualifier

Returns:

The found bean wrapped as an Optional

inject

@NonNull
public <T> T inject(@Nullable
                             BeanDefinition<?> beanDefinition,
                             @NonNull
                             T instance)

Description copied from interface: BeanResolutionContext

Injects a bean.

Specified by:

inject in interface BeanResolutionContext

Type Parameters:

T - The instance type

Parameters:

beanDefinition - The requesting bean definition

instance - The instance

Returns:

The instance

getBeanRegistrations

@NonNull
public <T> Collection<BeanRegistration<T>> getBeanRegistrations(@NonNull
                                                                         Argument<T> beanType,
                                                                         @Nullable
                                                                         Qualifier<T> qualifier)

Description copied from interface: BeanResolutionContext

Obtains the bean registrations for the given type and qualifier.

Specified by:

getBeanRegistrations in interface BeanResolutionContext

Type Parameters:

T - The generic type

Parameters:

beanType - The bean type

qualifier - The qualifier

Returns:

A collection of BeanRegistration

copyStateFrom

public void copyStateFrom(@NonNull
                          AbstractBeanResolutionContext context)

Copy the state from a previous resolution context.

Parameters:

context - The previous context

addDependentBean

public <T> void addDependentBean(BeanRegistration<T> beanRegistration)

Description copied from interface: BeanResolutionContext

Adds a dependent bean to the resolution context.

Specified by:

addDependentBean in interface BeanResolutionContext

Type Parameters:

T - The generic type

Parameters:

beanRegistration - The bean registration

destroyInjectScopedBeans

public void destroyInjectScopedBeans()

Description copied from interface: BeanResolutionContext

Call back to destroy any InjectScope beans.

Specified by:

destroyInjectScopedBeans in interface BeanResolutionContext

See Also:

InjectScope

getAndResetDependentBeans

@NonNull
public List<BeanRegistration<?>> getAndResetDependentBeans()

Specified by:

getAndResetDependentBeans in interface BeanResolutionContext

Returns:

The dependent beans that must be destroyed by an upstream bean

markDependentAsFactory

public void markDependentAsFactory()

Description copied from interface: BeanResolutionContext

Marks first dependent as factory. Dependent can be missing which means it's a singleton or scoped bean.

Specified by:

markDependentAsFactory in interface BeanResolutionContext

getAndResetDependentFactoryBean

public BeanRegistration<?> getAndResetDependentFactoryBean()

Specified by:

getAndResetDependentFactoryBean in interface BeanResolutionContext

Returns:

The dependent factory beans that was used to create the bean in context

popDependentBeans

public List<BeanRegistration<?>> popDependentBeans()

Specified by:

popDependentBeans in interface BeanResolutionContext

Returns:

The current dependent beans that must be destroyed by an upstream bean

pushDependentBeans

public void pushDependentBeans(List<BeanRegistration<?>> dependentBeans)

Description copied from interface: BeanResolutionContext

The push the current dependent beans that must be destroyed by an upstream bean.

Specified by:

pushDependentBeans in interface BeanResolutionContext

Parameters:

dependentBeans - Dependent beans collection that can be used to add more dependents

getContext

public final BeanContext getContext()

Specified by:

getContext in interface BeanResolutionContext

Returns:

The context

getRootDefinition

public final BeanDefinition getRootDefinition()

Specified by:

getRootDefinition in interface BeanResolutionContext

Returns:

The class requested at the root of this resolution context

getPath

public final BeanResolutionContext.Path getPath()

Specified by:

getPath in interface BeanResolutionContext

Returns:

The path that this resolution has taken so far

setAttribute

public final Object setAttribute(CharSequence key,
                                 Object value)

Description copied from interface: BeanResolutionContext

Store a value within the context.

Specified by:

setAttribute in interface BeanResolutionContext

Parameters:

key - The key

value - The value

Returns:

The previous value or null

getAttribute

public final Object getAttribute(CharSequence key)

Specified by:

getAttribute in interface BeanResolutionContext

Parameters:

key - The key

Returns:

The attribute value

removeAttribute

public final Object removeAttribute(CharSequence key)

Description copied from interface: BeanResolutionContext

Remove the attribute for the given key.

Specified by:

removeAttribute in interface BeanResolutionContext

Parameters:

key - the key

Returns:

The previous value

getCurrentQualifier

@Nullable
public Qualifier<?> getCurrentQualifier()

Specified by:

getCurrentQualifier in interface BeanResolutionContext

Returns:

The current bean identifier

setCurrentQualifier

public void setCurrentQualifier(@Nullable
                                Qualifier<?> qualifier)

Description copied from interface: BeanResolutionContext

Sets the current qualifier.

Specified by:

setCurrentQualifier in interface BeanResolutionContext

Parameters:

qualifier - The qualifier

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

get

public <T> Optional<T> get(CharSequence name,
                           Class<T> requiredType)

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

requiredType - The required type

Returns:

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

onNewSegment

protected void onNewSegment(BeanResolutionContext.Segment<?> segment)