Class FieldHandler

java.lang.Object

org.apache.felix.scr.impl.inject.field.FieldHandler

public class FieldHandler
extends Object

Handler for field references

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static enum	FieldHandler.METHOD_TYPE
private static class	FieldHandler.NotFound	Final state of field couldn't be found or errors occurred.
private static class	FieldHandler.NotResolved	Initial state.
static final class	FieldHandler.ReferenceMethodImpl
private static class	FieldHandler.Resolved	Final state of field could be found and is valid.
private static interface	FieldHandler.State	Internal state interface.

Field Summary

Fields

Modifier and Type	Field	Description
private final Class<?>	componentClass	The component class.
private Field	field	The field used for the injection.
private final ReferenceMetadata	metadata	The reference metadata.
private FieldHandler.State	state	State handling.
private ValueUtils.ValueType	valueType	Value type.

Constructor Summary

Constructors

Constructor	Description
FieldHandler(ReferenceMetadata metadata, Class<?> componentClass)	Create a new field handler

Method Summary

Modifier and Type	Method	Description
boolean	fieldExists(ComponentLogger logger)
ReferenceMethod	getBind()
private Object	getFieldValue(Object componentInstance)
InitReferenceMethod	getInit()
private Collection<Object>	getReplaceCollection(BindParameters bp)
ReferenceMethod	getUnbind()
ReferenceMethod	getUpdated()
private boolean	initField(Object componentInstance, ComponentLogger logger)
private void	setFieldValue(Object componentInstance, Object value)
(package private) void	setSearchResult(FieldUtils.FieldSearchResult result, ComponentLogger logger)
private MethodResult	updateField(FieldHandler.METHOD_TYPE mType, Object componentInstance, BindParameters bp)

Methods inherited from class Object

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

Field Details

metadata

private final ReferenceMetadata metadata

The reference metadata.

componentClass

private final Class<?> componentClass

The component class.

field

private volatile Field field

The field used for the injection.

valueType

private volatile ValueUtils.ValueType valueType

Value type.

state

private volatile FieldHandler.State state

State handling.

Constructor Details

FieldHandler

public FieldHandler(ReferenceMetadata metadata,
 Class<?> componentClass)

Create a new field handler

Parameters:

componentClass - component class

fieldName - name of the field

referenceClassName - service class name

Method Details

initField

private boolean initField(Object componentInstance,
 ComponentLogger logger)

getReplaceCollection

private Collection<Object> getReplaceCollection(BindParameters bp)

updateField

private MethodResult updateField(FieldHandler.METHOD_TYPE mType,
 Object componentInstance,
 BindParameters bp)
                          throws InvocationTargetException

Throws:

InvocationTargetException

setFieldValue

private void setFieldValue(Object componentInstance,
 Object value)
                    throws InvocationTargetException

Throws:

InvocationTargetException

getFieldValue

private Object getFieldValue(Object componentInstance)
                      throws InvocationTargetException

Throws:

InvocationTargetException

fieldExists

public boolean fieldExists(ComponentLogger logger)

setSearchResult

void setSearchResult(FieldUtils.FieldSearchResult result,
 ComponentLogger logger)

getBind

public ReferenceMethod getBind()

getUnbind

public ReferenceMethod getUnbind()

getUpdated

public ReferenceMethod getUpdated()

getInit

public InitReferenceMethod getInit()