DependencyInjectionHelper

```
public interface DependencyInjectionHelper
```
An interface for generating certain methods that are required in order for Dependency Injection to work.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`MethodSpec`	`generateConstructor(SpecModel specModel)` Generate the constructor required for Dependency Injection.
`CodeBlock`	`generateFactoryMethodsComponentInstance(SpecModel specModel)` Generate the code needed to inject a new instance of the given SpecModel called 'instance'
`java.lang.String`	`generateImplAccessor(SpecModel specModel, MethodParamModel methodParamModel)` Generate accessor code for each injected field.
`TypeSpecDataHolder`	`generateInjectedFields(SpecModel specModel, ImmutableList<InjectPropModel> injectPropParams)` Generate the necessary code to handle the `InjectProp` annotation.
`MethodSpec`	`generateTestingFieldAccessor(SpecModel specModel, InjectPropModel injectPropModel)` Generate an accessor for each injected field.
`ImmutableList<AnnotationSpec>`	`getAdditionalClassAnnotations(SpecModel specModel)` Returns a list of additional annotations to add to the generated component class
`boolean`	`isValidGeneratedComponentAnnotation(AnnotationSpec annotation)` Whether a Spec annotation should be moved to the generated Component.
`java.util.List<SpecModelValidationError>`	`validate(SpecModel specModel)` Validate that the dependency injection for this spec is correctly defined.

- Method Detail
  - validate
```
java.util.List<SpecModelValidationError> validate(SpecModel specModel)
```
    Validate that the dependency injection for this spec is correctly defined.
  - isValidGeneratedComponentAnnotation
```
boolean isValidGeneratedComponentAnnotation(AnnotationSpec annotation)
```
    Whether a Spec annotation should be moved to the generated Component.
  - getAdditionalClassAnnotations
```
ImmutableList<AnnotationSpec> getAdditionalClassAnnotations(SpecModel specModel)
```
    Returns a list of additional annotations to add to the generated component class
  - generateConstructor
```
MethodSpec generateConstructor(SpecModel specModel)
```
    Generate the constructor required for Dependency Injection.
  - generateFactoryMethodsComponentInstance
```
CodeBlock generateFactoryMethodsComponentInstance(SpecModel specModel)
```
    Generate the code needed to inject a new instance of the given SpecModel called 'instance'
  - generateInjectedFields
```
TypeSpecDataHolder generateInjectedFields(SpecModel specModel,
                                          ImmutableList<InjectPropModel> injectPropParams)
```
    Generate the necessary code to handle the InjectProp annotation. Field with the same name of the parameter should be returned to be usable.
    
    Parameters:
    
    specModel - the model holding the spec being generated
    
    injectPropParams - a list of the models for the injected params
  - generateTestingFieldAccessor
```
MethodSpec generateTestingFieldAccessor(SpecModel specModel,
                                        InjectPropModel injectPropModel)
```
    Generate an accessor for each injected field. This is used to generate matchers for TestSpecs and can be necessary for DI mechanisms which do not allow direct access to the generated fields. For instance, when field values are wrapped in a lazy wrapper.
  - generateImplAccessor
```
java.lang.String generateImplAccessor(SpecModel specModel,
                                      MethodParamModel methodParamModel)
```
    Generate accessor code for each injected field. This is used to generate access from methods such as onCreateLayout.
    
    Parameters:
    
    specModel - the model holding the spc being generated
    
    methodParamModel - the model for the method parameter being accessed

Interface DependencyInjectionHelper

Method Summary

Method Detail

validate

isValidGeneratedComponentAnnotation

getAdditionalClassAnnotations

generateConstructor

generateFactoryMethodsComponentInstance

generateInjectedFields

generateTestingFieldAccessor

generateImplAccessor