de.uni_hildesheim.sse.monitoring.runtime.utils

Class AnnotationInstanceProvider

java.lang.Object

de.uni_hildesheim.sse.monitoring.runtime.utils.AnnotationInstanceProvider

All Implemented Interfaces:

de.uni_hildesheim.sse.monitoring.runtime.plugins.internal.Cleanup

public class AnnotationInstanceProvider
extends java.lang.Object
implements de.uni_hildesheim.sse.monitoring.runtime.plugins.internal.Cleanup

Provide an instance of an annotation with member values.

Author:

Stuart Douglas (taken from JBoss WELD SVN rev 5138), Pete Muir (taken from JBoss WELD SVN rev 5138)

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.concurrent.ConcurrentMap<java.lang.Class<?>,java.lang.Class<?>>	cache Stores the annotation cache.
static AnnotationInstanceProvider	INSTANCE Stores the reference to the dynamic annotation instance provider.
private static java.lang.String	INSTANTIATION_ERROR Defines an error message to be emitted in case of problems during instantiation.

Constructor Summary

Constructors

Constructor and Description
AnnotationInstanceProvider() Creates a new instance provider and initializes the cache.

Method Summary

Modifier and Type	Method and Description
void	cleanup() Clears temporary data.
void	cleanupIfRequired() Do memory cleanup if required.
<T extends java.lang.annotation.Annotation> T	get(java.lang.Class<T> annotation, HashMap<java.lang.String,java.lang.Object> values) Returns an instance of the given annotation type with member values specified in the map.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final AnnotationInstanceProvider INSTANCE

Stores the reference to the dynamic annotation instance provider.

INSTANTIATION_ERROR

private static final java.lang.String INSTANTIATION_ERROR

Defines an error message to be emitted in case of problems during instantiation. Append annotation type and concrete error message.

See Also:

Constant Field Values

cache

protected final java.util.concurrent.ConcurrentMap<java.lang.Class<?>,java.lang.Class<?>> cache

Stores the annotation cache.

Constructor Detail

AnnotationInstanceProvider

public AnnotationInstanceProvider()

Creates a new instance provider and initializes the cache.

Since:

1.00

Method Detail

get

public <T extends java.lang.annotation.Annotation> T get(java.lang.Class<T> annotation,
                                                         HashMap<java.lang.String,java.lang.Object> values)

Returns an instance of the given annotation type with member values specified in the map.

Type Parameters:

T - the concrete type of the annotation (resolved automatically)

Parameters:

annotation - the annotation to return an instance for

values - the individual values for the annotation

Returns:

the instance of annotation representing the values

cleanup

public void cleanup()

Clears temporary data.

Specified by:

cleanup in interface de.uni_hildesheim.sse.monitoring.runtime.plugins.internal.Cleanup

Since:

1.00

cleanupIfRequired

public void cleanupIfRequired()

Do memory cleanup if required.

Specified by:

cleanupIfRequired in interface de.uni_hildesheim.sse.monitoring.runtime.plugins.internal.Cleanup

Since:

1.00