net.ontopia.persistence.proxy
Class ObjectRelationalMapping

java.lang.Object
  net.ontopia.persistence.proxy.ObjectRelationalMapping

public class ObjectRelationalMapping
extends java.lang.Object

INTERNAL: The generic object relational mapping definition class.

Field Summary

protected java.util.Map

cdescs

Constructor Summary

ObjectRelationalMapping(java.io.InputStream istream)
INTERNAL: Creates an object relational mapping instance that is to read its definition from the specified mapping file.

Method Summary

void	addClass(ClassDescriptor cdesc) INTERNAL: Adds the class descriptor to the mapping.
ClassDescriptor[]	getClassDescriptors() INTERNAL: Gets all the class descriptors in the mapping.
ClassDescriptor	getDescriptorByClass(java.lang.Object type) INTERNAL: Gets the class descriptor by object type.
ClassDescriptor[]	getDescriptorClasses() INTERNAL: Gets all the descriptor classes in describes by the mapping.
protected void	loadMapping(org.xml.sax.InputSource isource) INTERNAL: Read a mapping description from the specified file.
protected ClassDescriptor[]	toClassDescriptorArray(java.util.Collection cdescs) INTERNAL: Utility method that converts a collection of class descriptors to an array of class descriptors.

Methods inherited from class java.lang.Object

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

Field Detail

cdescs

protected java.util.Map cdescs

Constructor Detail

ObjectRelationalMapping

public ObjectRelationalMapping(java.io.InputStream istream)

INTERNAL: Creates an object relational mapping instance that is to read its definition from the specified mapping file. The mapping file input stream should be an XML file.

Method Detail

loadMapping

protected void loadMapping(org.xml.sax.InputSource isource)

INTERNAL: Read a mapping description from the specified file.

toClassDescriptorArray

protected ClassDescriptor[] toClassDescriptorArray(java.util.Collection cdescs)

INTERNAL: Utility method that converts a collection of class descriptors to an array of class descriptors.

getClassDescriptors

public ClassDescriptor[] getClassDescriptors()

INTERNAL: Gets all the class descriptors in the mapping.

getDescriptorClasses

public ClassDescriptor[] getDescriptorClasses()

INTERNAL: Gets all the descriptor classes in describes by the mapping.

getDescriptorByClass

public ClassDescriptor getDescriptorByClass(java.lang.Object type)

INTERNAL: Gets the class descriptor by object type.

addClass

public void addClass(ClassDescriptor cdesc)

INTERNAL: Adds the class descriptor to the mapping.