Class ComponentConstructorImpl<S>

java.lang.Object

org.apache.felix.scr.impl.inject.internal.ComponentConstructorImpl<S>

All Implemented Interfaces:

ComponentConstructor<S>

public class ComponentConstructorImpl<S>
extends Object
implements ComponentConstructor<S>

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	Description
private final Field[]	activationFields
private final ValueUtils.ValueType[]	activationFieldTypes
private final Constructor<S>	constructor
private final ValueUtils.ValueType[]	constructorArgTypes
private final ReferenceMetadata[]	constructorRefs

Constructor Summary

Constructors

Constructor	Description
ComponentConstructorImpl(ComponentMetadata componentMetadata, Class<S> componentClass, ComponentLogger logger)

Method Summary

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

Methods inherited from class Object

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

Field Details

activationFields

private final Field[] activationFields

activationFieldTypes

private final ValueUtils.ValueType[] activationFieldTypes

constructor

private final Constructor<S> constructor

constructorArgTypes

private final ValueUtils.ValueType[] constructorArgTypes

constructorRefs

private final ReferenceMetadata[] constructorRefs

Constructor Details

ComponentConstructorImpl

public ComponentConstructorImpl(ComponentMetadata componentMetadata,
 Class<S> componentClass,
 ComponentLogger logger)

Method Details

newInstance

public <T> S newInstance(ScrComponentContext componentContext,
 Map<ReferenceMetadata, OpenStatus<S,?>> parameterMap)
                  throws Exception

Create a new instance

Specified by:

newInstance in interface ComponentConstructor<S>

Parameters:

componentContext - The component context

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

Returns:

The instance

Throws:

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

getNames

private String getNames(List<ReferenceMetadata> refs)