Package com.bobocode.bring.core.context.impl

Class DefaultBringBeanFactory

java.lang.Object

com.bobocode.bring.core.context.impl.DefaultBringBeanFactory

All Implemented Interfaces:

BringBeanFactory

Direct Known Subclasses:

AnnotationBringBeanRegistry

public class DefaultBringBeanFactory
extends Object
implements BringBeanFactory

Default implementation of the BringBeanFactory interface providing basic bean management functionalities. Manages bean definitions, singleton, and prototype beans.

Since:

1.0

Author:

Blyzhnytsia Team

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,BeanDefinition>	beanDefinitionMap
private String	profileName
private Map<String,String>	properties
private final Map<String,Supplier<Object>>	prototypeSuppliers
private final Map<String,Object>	singletonObjects
private TypeResolverFactory	typeResolverFactory
private final Map<Class<?>,List<String>>	typeToBeanNames

Constructor Summary

Constructors

Constructor	Description
DefaultBringBeanFactory()

Method Summary

Modifier and Type	Method	Description
void	addBeanDefinition(String beanName, BeanDefinition beanDefinition)	Adds a bean definition to the factory with the given name and definition.
(package private) void	addPrototypeBean(String beanName, Supplier<Object> supplier)	Adds a prototype bean to the factory with the given name and supplier.
(package private) void	addSingletonBean(String beanName, Object bean)	Adds a singleton bean to the factory with the given name and instance.
void	close()	Closes the container.This method is typically called when the container is being shut down to allow beans to perform necessary cleanup operations or release resources before being destroyed.
List<String>	getAllBeanDefinitionNames()	Retrieves a list containing names of all registered bean definitions in the factory.
<T> Map<String,T>	getAllBeans()	Retrieves all singleton beans registered in the factory.
<T> T	getBean(Class<T> type)	Retrieves a bean of the given type from the bean factory.
<T> T	getBean(Class<T> type, String name)	Retrieves a bean of the given type and name from the bean factory.
Object	getBeanByName(String beanName)	Retrieves a bean instance by its name.
BeanDefinition	getBeanDefinitionByName(String beanName)	Retrieves the bean definition associated with the given bean name.
<T> Map<String,T>	getBeans(Class<T> type)	Retrieves all beans of the specified type from the factory.
private <T> T	getPrimary(Map<String,T> beans, Class<T> type)
boolean	isBeanCreated(String beanName)	Checks if a bean with the specified name has been created.

Methods inherited from class java.lang.Object

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

Field Details

beanDefinitionMap

private final Map<String,BeanDefinition> beanDefinitionMap

typeToBeanNames

private final Map<Class<?>,List<String>> typeToBeanNames

singletonObjects

private final Map<String,Object> singletonObjects

prototypeSuppliers

private final Map<String,Supplier<Object>> prototypeSuppliers

properties

private Map<String,String> properties

profileName

private String profileName

typeResolverFactory

private TypeResolverFactory typeResolverFactory

Constructor Details

DefaultBringBeanFactory

public DefaultBringBeanFactory()

Method Details

getBean

public <T> T getBean(Class<T> type)

Retrieves a bean of the given type from the bean factory. If multiple beans of the same type exist, returns the primary one.

Specified by:

getBean in interface BringBeanFactory

Type Parameters:

T - The type of the bean.

Parameters:

type - The class type of the bean to retrieve.

Returns:

The bean instance.

Throws:

NoSuchBeanException - If no bean of the given type is found.

NoUniqueBeanException - If more than one primary bean of the given type is found.

getBean

public <T> T getBean(Class<T> type,
 String name)

Retrieves a bean of the given type and name from the bean factory.

Specified by:

getBean in interface BringBeanFactory

Type Parameters:

T - The type of the bean.

Parameters:

type - The class type of the bean to retrieve.

name - The name of the bean.

Returns:

The bean instance.

Throws:

NoSuchBeanException - If no bean of the given type and name is found.

getBeans

public <T> Map<String,T> getBeans(Class<T> type)

Retrieves all beans of the specified type from the factory.

Specified by:

getBeans in interface BringBeanFactory

Type Parameters:

T - The type of the beans.

Parameters:

type - The type of the beans to retrieve.

Returns:

A map of bean names to their respective instances.

getBeanByName

public Object getBeanByName(String beanName)

Retrieves a bean instance by its name.

Parameters:

beanName - The name of the bean.

Returns:

The retrieved bean instance.

getAllBeans

public <T> Map<String,T> getAllBeans()

Retrieves all singleton beans registered in the factory.

Specified by:

getAllBeans in interface BringBeanFactory

Type Parameters:

T - The type of the beans.

Returns:

A map of singleton bean names to their respective instances.

close

public void close()

Description copied from interface: BringBeanFactory

Closes the container.This method is typically called when the container is being shut down to allow beans to perform necessary cleanup operations or release resources before being destroyed.

Specified by:

close in interface BringBeanFactory

addSingletonBean

void addSingletonBean(String beanName,
 Object bean)

Adds a singleton bean to the factory with the given name and instance.

Parameters:

beanName - The name of the singleton bean.

bean - The instance of the singleton bean to be added.

addPrototypeBean

void addPrototypeBean(String beanName,
 Supplier<Object> supplier)

Adds a prototype bean to the factory with the given name and supplier.

Parameters:

beanName - The name of the prototype bean.

supplier - The supplier supplying instances of the prototype bean.

addBeanDefinition

public void addBeanDefinition(String beanName,
 BeanDefinition beanDefinition)

Adds a bean definition to the factory with the given name and definition. Updates the type-to-bean-names mapping accordingly.

Parameters:

beanName - The name of the bean.

beanDefinition - The definition of the bean to be added.

getBeanDefinitionByName

public BeanDefinition getBeanDefinitionByName(String beanName)

Retrieves the bean definition associated with the given bean name.

Parameters:

beanName - The name of the bean for which the definition is requested.

Returns:

The BeanDefinition object associated with the provided bean name.

getAllBeanDefinitionNames

public List<String> getAllBeanDefinitionNames()

Retrieves a list containing names of all registered bean definitions in the factory.

Returns:

A list containing the names of all registered bean definitions.

isBeanCreated

public boolean isBeanCreated(String beanName)

Checks if a bean with the specified name has been created.

Parameters:

beanName - The name of the bean to check.

Returns:

true if the bean has been created, false otherwise.

getPrimary

private <T> T getPrimary(Map<String,T> beans,
 Class<T> type)