Class ClassFactoryContext

java.lang.Object

org.apache.derby.iapi.services.context.ContextImpl

org.apache.derby.iapi.services.loader.ClassFactoryContext

All Implemented Interfaces:

Context

Direct Known Subclasses:

StoreClassFactoryContext

public abstract class ClassFactoryContext
extends ContextImpl

Context that provides the correct ClassFactory for the current service. Allows stateless code to obtain the correct class loading scheme.

Field Summary

Fields

Modifier and Type	Field	Description
private final ClassFactory	cf
static final String	CONTEXT_ID

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClassFactoryContext(ContextManager cm, ClassFactory cf)

Method Summary

Modifier and Type	Method	Description
final void	cleanupOnError(Throwable error)	Handle any errors.
final ClassFactory	getClassFactory()
abstract JarReader	getJarReader()	Get the mechanism to rad jar files.
abstract CompatibilitySpace	getLockSpace()	Get the lock compatibility space to use for the transactional nature of the class loading lock.
abstract PersistentSet	getPersistentSet()	Get the set of properties stored with this service.

Methods inherited from class ContextImpl

appendErrorInfo, getContextManager, getIdName, isLastHandler, popMe, pushMe

Methods inherited from class Object

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

Field Details

CONTEXT_ID

public static final String CONTEXT_ID

See Also:

• Constant Field Values

cf

private final ClassFactory cf

Constructor Details

ClassFactoryContext

protected ClassFactoryContext(ContextManager cm,
 ClassFactory cf)

Method Details

getClassFactory

public final ClassFactory getClassFactory()

getLockSpace

public abstract CompatibilitySpace getLockSpace()
                                         throws StandardException

Get the lock compatibility space to use for the transactional nature of the class loading lock. Used when the classpath changes or a database jar file is installed, removed or replaced.

Throws:

StandardException

getPersistentSet

public abstract PersistentSet getPersistentSet()
                                        throws StandardException

Get the set of properties stored with this service.

Throws:

StandardException

getJarReader

public abstract JarReader getJarReader()

Get the mechanism to rad jar files. The ClassFactory may keep the JarReader reference from the first class load.

cleanupOnError

public final void cleanupOnError(Throwable error)

Handle any errors. Only work here is to pop myself on a session or greater severity error.