org.panda_lang.utilities.inject

Interface Injector

public interface Injector

Method Summary

Modifier and Type	Method and Description
Injector	duplicate(InjectorController controller) Duplicate (clone) resources
<T> ConstructorInjector<T>	forConstructor(Class<T> type) Create injector for the given type
org.panda_lang.utilities.inject.GeneratedMethodInjector	forGeneratedMethod(Method method) Generate injector for the given method
Injector	fork(InjectorController controller) Create a fork of resources.
MethodInjector	forMethod(Method method) Create injector for the given method
InjectorResources	getResources() Get resources of injector
<T> T	invokeMethod(Method method, @Nullable Object instance, Object... injectorArgs) Invoke the method using Injector
<T> T	invokeParameter(Parameter parameter, Object... injectorArgs) Get injected value of the given parameter
<T> T	newInstance(Class<T> type, Object... injectorArgs) Create a new instance of the specified type using Injector

Method Detail

newInstance

<T> T newInstance(Class<T> type,
                  Object... injectorArgs)
           throws Throwable

Create a new instance of the specified type using Injector

Type Parameters:

T - the type

Parameters:

type - the class to instantiate

Returns:

a new instance

Throws:

Throwable - if anything happen in constructor

forConstructor

<T> ConstructorInjector<T> forConstructor(Class<T> type)

Create injector for the given type

Type Parameters:

T - type of class

Parameters:

type - the type to process

Returns:

constructor injector

invokeMethod

@Nullable
<T> T invokeMethod(Method method,
                              @Nullable
                              @Nullable Object instance,
                              Object... injectorArgs)
                       throws Throwable

Invoke the method using Injector

Type Parameters:

T - the return type

Parameters:

method - the method to invoke

instance - the instance to use (nullable for static context)

Returns:

the return value

Throws:

Throwable - if anything happen in the invoked method

forMethod

MethodInjector forMethod(Method method)

Create injector for the given method

Parameters:

method - the method to process

Returns:

injector for the given method

forGeneratedMethod

org.panda_lang.utilities.inject.GeneratedMethodInjector forGeneratedMethod(Method method)
                                                                    throws Exception

Generate injector for the given method

Parameters:

method - the method to process (works only for public properties)

Returns:

injector for the given method

Throws:

Exception - if anything happen during the generation of method wrapper

invokeParameter

@Nullable
<T> T invokeParameter(Parameter parameter,
                                 Object... injectorArgs)
                          throws Throwable

Get injected value of the given parameter

Type Parameters:

T - type of expected value

Parameters:

parameter - the parameter invoke

Returns:

the associated binding value

Throws:

InjectorException - if anything happen

Throwable

fork

Injector fork(InjectorController controller)

Create a fork of resources. The current resources will be used as a parent of a new instance.

Parameters:

controller - initializer for a new instance of resources

Returns:

a forked instance of resources

duplicate

Injector duplicate(InjectorController controller)

Duplicate (clone) resources

Parameters:

controller - initializer for a new instance of resources

Returns:

a duplicated instance of resources

getResources

InjectorResources getResources()

Get resources of injector

Returns:

the resources