ObjectRelationalMapping (Ontopia)

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

```
public class ObjectRelationalMapping
extends Object
```
INTERNAL: The generic object relational mapping definition class.

Field Summary

Fields
Modifier and Type Field Description

protected Map<Class<?>,ClassDescriptor> cdescs

Constructor Summary

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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(Class<?> type)`	INTERNAL: Gets the class descriptor by object type.
`protected void`	`loadMapping(InputSource isource)`	INTERNAL: Read a mapping description from the specified file.
`protected ClassDescriptor[]`	`toClassDescriptorArray(Collection<ClassDescriptor> 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 Map<Class<?>,ClassDescriptor> cdescs
```
- Constructor Detail
  - ObjectRelationalMapping
```
public ObjectRelationalMapping(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(InputSource isource)
```
    INTERNAL: Read a mapping description from the specified file.
  - toClassDescriptorArray
```
protected ClassDescriptor[] toClassDescriptorArray(Collection<ClassDescriptor> 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.
  - getDescriptorByClass
```
public ClassDescriptor getDescriptorByClass(Class<?> type)
```
    INTERNAL: Gets the class descriptor by object type.
  - addClass
```
public void addClass(ClassDescriptor cdesc)
```
    INTERNAL: Adds the class descriptor to the mapping.