ca.eandb.jdcp.server.classmanager

Class DbClassManager

java.lang.Object

ca.eandb.jdcp.server.classmanager.AbstractClassManager

ca.eandb.jdcp.server.classmanager.DbClassManager

All Implemented Interfaces:

ClassManager, ParentClassManager, ca.eandb.util.classloader.ClassLoaderStrategy

public final class DbClassManager
extends AbstractClassManager
implements ParentClassManager

Author:

Brad Kimmel

Constructor Summary

Constructors

Constructor and Description
DbClassManager(DataSource ds)

Method Summary

Methods

Modifier and Type	Method and Description
ChildClassManager	createChildClassManager() Creates a new child ClassManager.
ChildClassManager	getChildClassManager(int id) Retrieves an existing ChildClassManager.
ByteBuffer	getClassDefinition(String name)
byte[]	getClassDigest(String name) Gets the MD5 digest of the class definition.
void	prepareDataSource()
void	setClassDefinition(String name, ByteBuffer def) Sets a class definition.

Methods inherited from class ca.eandb.jdcp.server.classmanager.AbstractClassManager

setClassDefinition

Methods inherited from class java.lang.Object

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

Methods inherited from interface ca.eandb.jdcp.server.classmanager.ClassManager

setClassDefinition

Constructor Detail

DbClassManager

public DbClassManager(DataSource ds)

Method Detail

prepareDataSource

public void prepareDataSource()
                       throws SQLException

Throws:

SQLException

createChildClassManager

public ChildClassManager createChildClassManager()

Description copied from interface: ParentClassManager

Creates a new child ClassManager.

Specified by:

createChildClassManager in interface ParentClassManager

Returns:

The new child ClassManager.

getChildClassManager

public ChildClassManager getChildClassManager(int id)

Description copied from interface: ParentClassManager

Retrieves an existing ChildClassManager.

Specified by:

getChildClassManager in interface ParentClassManager

Parameters:

id - The identifier for the ChildClassManager to retrieve.

Returns:

The ChildClassManager with the specified ID, or null if there is no such child.

getClassDigest

public byte[] getClassDigest(String name)

Description copied from interface: ClassManager

Gets the MD5 digest of the class definition.

Specified by:

getClassDigest in interface ClassManager

Parameters:

name - The fully qualified name of the class.

Returns:

The MD5 digest of the class definition.

getClassDefinition

public ByteBuffer getClassDefinition(String name)

Specified by:

getClassDefinition in interface ca.eandb.util.classloader.ClassLoaderStrategy

setClassDefinition

public void setClassDefinition(String name,
                      ByteBuffer def)

Description copied from interface: ClassManager

Sets a class definition.

Specified by:

setClassDefinition in interface ClassManager

Parameters:

name - The fully qualified name of the class to define.

def - A ByteBuffer containing the definition of the class.