org.hibernate.boot.registry.classloading.internal

Class ClassLoaderServiceImpl

java.lang.Object

org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl

All Implemented Interfaces:

Serializable, ClassLoaderService, Service

public class ClassLoaderServiceImpl
extends Object
implements ClassLoaderService

Standard implementation of the service for interacting with class loaders

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ClassLoaderServiceImpl.Work<T> Hack around continued (temporary) need to sometimes set the TCCL for code we call that expects it.

Constructor Summary

Constructors

Constructor and Description
ClassLoaderServiceImpl() Constructs a ClassLoaderServiceImpl with standard set-up
ClassLoaderServiceImpl(ClassLoader classLoader) Constructs a ClassLoaderServiceImpl with the given ClassLoader
ClassLoaderServiceImpl(Collection<ClassLoader> providedClassLoaders) Constructs a ClassLoaderServiceImpl with the given ClassLoader instances

Method Summary

Methods

Modifier and Type	Method and Description
<T> Class<T>	classForName(String className) Locate a class by name.
static ClassLoaderServiceImpl	fromConfigSettings(Map configValues) Deprecated. No longer used/supported!
<S> LinkedHashSet<S>	loadJavaServices(Class<S> serviceContract) Discovers and instantiates implementations of the named service contract.
URL	locateResource(String name) Locate a resource by name (classpath lookup).
List<URL>	locateResources(String name) Locate a series of resource by name (classpath lookup).
InputStream	locateResourceStream(String name) Locate a resource by name (classpath lookup) and gets its stream.
<T> T	withTccl(ClassLoaderServiceImpl.Work<T> work) Perform some discrete work with with the TCCL set to our aggregated ClassLoader

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassLoaderServiceImpl

public ClassLoaderServiceImpl()

Constructs a ClassLoaderServiceImpl with standard set-up

ClassLoaderServiceImpl

public ClassLoaderServiceImpl(ClassLoader classLoader)

Constructs a ClassLoaderServiceImpl with the given ClassLoader

Parameters:

classLoader - The ClassLoader to use

ClassLoaderServiceImpl

public ClassLoaderServiceImpl(Collection<ClassLoader> providedClassLoaders)

Constructs a ClassLoaderServiceImpl with the given ClassLoader instances

Parameters:

providedClassLoaders - The ClassLoader instances to use

Method Detail

fromConfigSettings

@Deprecated
public static ClassLoaderServiceImpl fromConfigSettings(Map configValues)

Deprecated. No longer used/supported!

No longer used/supported!

Parameters:

configValues - The config values

Returns:

The built service

classForName

public <T> Class<T> classForName(String className)

Description copied from interface: ClassLoaderService

Locate a class by name.

Specified by:

classForName in interface ClassLoaderService

Type Parameters:

T - The returned class type.

Parameters:

className - The name of the class to locate

Returns:

The class reference

locateResource

public URL locateResource(String name)

Description copied from interface: ClassLoaderService

Locate a resource by name (classpath lookup).

Specified by:

locateResource in interface ClassLoaderService

Parameters:

name - The resource name.

Returns:

The located URL; may return null to indicate the resource was not found

locateResourceStream

public InputStream locateResourceStream(String name)

Description copied from interface: ClassLoaderService

Locate a resource by name (classpath lookup) and gets its stream.

Specified by:

locateResourceStream in interface ClassLoaderService

Parameters:

name - The resource name.

Returns:

The stream of the located resource; may return null to indicate the resource was not found

locateResources

public List<URL> locateResources(String name)

Description copied from interface: ClassLoaderService

Locate a series of resource by name (classpath lookup).

Specified by:

locateResources in interface ClassLoaderService

Parameters:

name - The resource name.

Returns:

The list of URL matching; may return null to indicate the resource was not found

loadJavaServices

public <S> LinkedHashSet<S> loadJavaServices(Class<S> serviceContract)

Description copied from interface: ClassLoaderService

Discovers and instantiates implementations of the named service contract.

NOTE : the terms service here is used differently than Service. Instead here we are talking about services as defined by ServiceLoader.

Specified by:

loadJavaServices in interface ClassLoaderService

Type Parameters:

S - The type of the service contract

Parameters:

serviceContract - The java type defining the service contract

Returns:

The ordered set of discovered services.

withTccl

public <T> T withTccl(ClassLoaderServiceImpl.Work<T> work)

Perform some discrete work with with the TCCL set to our aggregated ClassLoader

Type Parameters:

T - The type of the work result

Parameters:

work - The discrete work to be done

Returns:

The work result.