Package net.officefloor.plugin.managedobject.clazz

Class DependencyMetaData

java.lang.Object

net.officefloor.plugin.managedobject.clazz.DependencyMetaData

Direct Known Subclasses:

StatefulDependencyMetaData

public class DependencyMetaData
extends java.lang.Object

Meta-data for a Dependency.

Author:

Daniel Sagenschneider

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DependencyMetaData.DependencyType	Type of dependency.

Field Summary

Fields

Modifier and Type	Field	Description
java.lang.reflect.Field	field	Field to receive the injected dependency.
int	index	Index of the dependency within the ObjectRegistry.
java.lang.String	name	Name of the dependency.
DependencyMetaData.DependencyType	type	Type of the dependency.

Constructor Summary

Constructors

Constructor	Description
DependencyMetaData(java.lang.String name, int index, java.lang.reflect.Field field)	Initiate.
DependencyMetaData(DependencyMetaData.DependencyType type, java.lang.reflect.Field field)	Initiate.

Method Summary

Modifier and Type	Method	Description
java.lang.String	getTypeQualifier()	Obtains the type qualifier for the dependency.
static java.lang.String	getTypeQualifier(java.lang.String dependencyName, java.util.Collection<java.lang.annotation.Annotation> annotations)	Obtains the qualifier from the set of Annotation instances.
void	injectDependency(java.lang.Object object, java.lang.Object dependency)	Injects the dependency into the object.

Methods inherited from class java.lang.Object

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

Field Detail

type

public final DependencyMetaData.DependencyType type

Type of the dependency.

name

public final java.lang.String name

Name of the dependency. Only applicable if DependencyMetaData.DependencyType.DEPENDENCY.

index

public final int index

Index of the dependency within the ObjectRegistry. Only applicable if DependencyMetaData.DependencyType.DEPENDENCY.

field

public final java.lang.reflect.Field field

Field to receive the injected dependency.

Constructor Detail

DependencyMetaData

public DependencyMetaData(DependencyMetaData.DependencyType type,
                          java.lang.reflect.Field field)

Initiate.

Parameters:

type - DependencyMetaData.DependencyType.

field - Field to receive the injected dependency.

DependencyMetaData

public DependencyMetaData(java.lang.String name,
                          int index,
                          java.lang.reflect.Field field)

Initiate.

Parameters:

name - Name of the dependency.

index - Index of the dependency within the ObjectRegistry.

field - Field to receive the injected dependency.

Method Detail

getTypeQualifier

public static java.lang.String getTypeQualifier(java.lang.String dependencyName,
                                                java.util.Collection<java.lang.annotation.Annotation> annotations)
                                         throws java.lang.Exception

Obtains the qualifier from the set of Annotation instances.

Parameters:

dependencyName - Name of the dependency.

annotations - Annotation instances to interrogate for qualification.

Returns:

Qualfiier. May be null if no qualifier.

Throws:

java.lang.Exception

getTypeQualifier

public java.lang.String getTypeQualifier()
                                  throws java.lang.Exception

Obtains the type qualifier for the dependency.

Returns:

Type qualifier. May be null if no type qualifier.

Throws:

java.lang.Exception - If fails to obtain the type qualifier.

injectDependency

public void injectDependency(java.lang.Object object,
                             java.lang.Object dependency)
                      throws java.lang.Exception

Injects the dependency into the object.

Parameters:

object - Object to receive the dependency.

dependency - Dependency to inject.

Throws:

java.lang.Exception - If fails to inject the dependency.