org.hotswap.agent.annotation.handler

Class InitHandler

java.lang.Object

org.hotswap.agent.annotation.handler.InitHandler

All Implemented Interfaces:

PluginHandler<Init>

public class InitHandler
extends Object
implements PluginHandler<Init>

Annotation handler - handle @Init annotation on fields/methods.

The {org.hotswap.agent.annotation.Init} annotation can be set on field or method and static or non static. See the annotation description for usage info.

Author:

Jiri Bubnik

See Also:

Init

Field Summary

Fields

Modifier and Type	Field and Description
protected PluginManager	pluginManager

Constructor Summary

Constructors

Constructor and Description
InitHandler(PluginManager pluginManager)

Method Summary

Modifier and Type	Method and Description
boolean	initField(PluginAnnotation pluginAnnotation) Initialization for field annotations.
boolean	initMethod(PluginAnnotation pluginAnnotation) Initialization for method annotations.
protected boolean	registerClassLoaderInit(PluginAnnotation pluginAnnotation) Register on classloader init event - call the @Init static method.
protected Object	resolveType(ClassLoader classLoader, Class pluginClass, Class type) Support for autowiring of agent services - resolve instance by class.

Methods inherited from class java.lang.Object

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

Field Detail

pluginManager

protected PluginManager pluginManager

Constructor Detail

InitHandler

public InitHandler(PluginManager pluginManager)

Method Detail

initField

public boolean initField(PluginAnnotation pluginAnnotation)

Description copied from interface: PluginHandler

Initialization for field annotations.

Specified by:

initField in interface PluginHandler<Init>

Parameters:

pluginAnnotation - annotation values

Returns:

true if initialized.

initMethod

public boolean initMethod(PluginAnnotation pluginAnnotation)

Description copied from interface: PluginHandler

Initialization for method annotations.

Specified by:

initMethod in interface PluginHandler<Init>

Parameters:

pluginAnnotation - annotation values

Returns:

true if initialized.

registerClassLoaderInit

protected boolean registerClassLoaderInit(PluginAnnotation pluginAnnotation)

Register on classloader init event - call the @Init static method.

Parameters:

pluginAnnotation - description of plugin method to call

Returns:

true if ok

resolveType

protected Object resolveType(ClassLoader classLoader,
                             Class pluginClass,
                             Class type)

Support for autowiring of agent services - resolve instance by class.

Parameters:

classLoader - application classloader

pluginClass - used only for debugging messages

type - requested type

Returns:

resolved instance or null (error is logged)