Package org.springframework.boot.type.classreading

Class ConcurrentReferenceCachingMetadataReaderFactory

java.lang.Object

org.springframework.core.type.classreading.SimpleMetadataReaderFactory

org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory

All Implemented Interfaces:

org.springframework.core.type.classreading.MetadataReaderFactory

public class ConcurrentReferenceCachingMetadataReaderFactory
extends org.springframework.core.type.classreading.SimpleMetadataReaderFactory

Caching implementation of the MetadataReaderFactory interface backed by a ConcurrentReferenceHashMap, caching MetadataReader per Spring Resource handle (i.e. per ".class" file).

Since:

1.4.0

See Also:

• CachingMetadataReaderFactory

Constructor Summary

Constructors

Constructor	Description
ConcurrentReferenceCachingMetadataReaderFactory()	Create a new ConcurrentReferenceCachingMetadataReaderFactory instance for the default class loader.
ConcurrentReferenceCachingMetadataReaderFactory(ClassLoader classLoader)	Create a new ConcurrentReferenceCachingMetadataReaderFactory instance for the given class loader.
ConcurrentReferenceCachingMetadataReaderFactory(org.springframework.core.io.ResourceLoader resourceLoader)	Create a new ConcurrentReferenceCachingMetadataReaderFactory instance for the given resource loader.

Method Summary

Modifier and Type	Method	Description
void	clearCache()	Clear the entire MetadataReader cache, removing all cached class metadata.
protected org.springframework.core.type.classreading.MetadataReader	createMetadataReader(org.springframework.core.io.Resource resource)	Create the meta-data reader.
org.springframework.core.type.classreading.MetadataReader	getMetadataReader(String className)
org.springframework.core.type.classreading.MetadataReader	getMetadataReader(org.springframework.core.io.Resource resource)

Methods inherited from class org.springframework.core.type.classreading.SimpleMetadataReaderFactory

getResourceLoader

Methods inherited from class java.lang.Object

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

Constructor Details

ConcurrentReferenceCachingMetadataReaderFactory

public ConcurrentReferenceCachingMetadataReaderFactory()

Create a new ConcurrentReferenceCachingMetadataReaderFactory instance for the default class loader.

ConcurrentReferenceCachingMetadataReaderFactory

public ConcurrentReferenceCachingMetadataReaderFactory(org.springframework.core.io.ResourceLoader resourceLoader)

Create a new ConcurrentReferenceCachingMetadataReaderFactory instance for the given resource loader.

Parameters:

resourceLoader - the Spring ResourceLoader to use (also determines the ClassLoader to use)

ConcurrentReferenceCachingMetadataReaderFactory

public ConcurrentReferenceCachingMetadataReaderFactory(ClassLoader classLoader)

Create a new ConcurrentReferenceCachingMetadataReaderFactory instance for the given class loader.

Parameters:

classLoader - the ClassLoader to use

Method Details

getMetadataReader

public org.springframework.core.type.classreading.MetadataReader getMetadataReader(String className)
                                                                            throws IOException

Specified by:

getMetadataReader in interface org.springframework.core.type.classreading.MetadataReaderFactory

Overrides:

getMetadataReader in class org.springframework.core.type.classreading.SimpleMetadataReaderFactory

Throws:

IOException

getMetadataReader

public org.springframework.core.type.classreading.MetadataReader getMetadataReader(org.springframework.core.io.Resource resource)
                                                                            throws IOException

Specified by:

getMetadataReader in interface org.springframework.core.type.classreading.MetadataReaderFactory

Overrides:

getMetadataReader in class org.springframework.core.type.classreading.SimpleMetadataReaderFactory

Throws:

IOException

createMetadataReader

protected org.springframework.core.type.classreading.MetadataReader createMetadataReader(org.springframework.core.io.Resource resource)
                                                                                  throws IOException

Create the meta-data reader.

Parameters:

resource - the source resource.

Returns:

the meta-data reader

Throws:

IOException - on error

clearCache

public void clearCache()

Clear the entire MetadataReader cache, removing all cached class metadata.