org.apache.felix.scr.impl.inject

Class ComponentConstructor<S>

java.lang.Object

org.apache.felix.scr.impl.inject.ComponentConstructor<S>

public class ComponentConstructor<S>
extends java.lang.Object

This implementation is used to construct a component instance object, call the constructor and set the activation fields.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.reflect.Field[]	activationFields
private ValueUtils.ValueType[]	activationFieldTypes
private java.lang.reflect.Constructor<S>	constructor
private ValueUtils.ValueType[]	constructorArgTypes
private ReferenceMetadata[]	constructorRefs

Constructor Summary

Constructors

Constructor and Description
ComponentConstructor(ComponentMetadata componentMetadata, java.lang.Class<S> componentClass, ComponentLogger logger)

Method Summary

Modifier and Type	Method and Description
private java.lang.String	getNames(java.util.List<ReferenceMetadata> refs)
<T> S	newInstance(ComponentContextImpl<S> componentContext, java.util.Map<ReferenceMetadata,DependencyManager.OpenStatus<S,?>> parameterMap) Create a new instance

Methods inherited from class java.lang.Object

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

Field Detail

activationFields

private final java.lang.reflect.Field[] activationFields

activationFieldTypes

private final ValueUtils.ValueType[] activationFieldTypes

constructor

private final java.lang.reflect.Constructor<S> constructor

constructorArgTypes

private final ValueUtils.ValueType[] constructorArgTypes

constructorRefs

private final ReferenceMetadata[] constructorRefs

Constructor Detail

ComponentConstructor

public ComponentConstructor(ComponentMetadata componentMetadata,
                            java.lang.Class<S> componentClass,
                            ComponentLogger logger)

Method Detail

newInstance

public <T> S newInstance(ComponentContextImpl<S> componentContext,
                         java.util.Map<ReferenceMetadata,DependencyManager.OpenStatus<S,?>> parameterMap)
                  throws java.lang.Exception

Create a new instance

Parameters:

componentContext - The component context

parameterMap - A map of reference parameters for handling references in the constructor

Returns:

The instance

Throws:

java.lang.Exception - If anything goes wrong, like constructor can't be found etc.

getNames

private java.lang.String getNames(java.util.List<ReferenceMetadata> refs)