com.goldencode.p2j.directory

Class ObjectClass

java.lang.Object

com.goldencode.p2j.directory.ObjectClass

class ObjectClass
extends java.lang.Object

This class is used to hold P2J object class definition.

P2J Object Class definition contains following data:

• Object class name.
• Boolean value which determines of object of this class can be updated or they are read-only.
• Boolean value which determines if nodes of this class can have children nodes.
• Definition of the attributes.

For performance reasons class uses shadow map which speedups attribute definition lookup.

Version:

1.0

Author:

SIY

Field Summary

Fields

Modifier and Type	Field and Description
private AttributeDefinition[]	attributes Object class attribute definition
private java.util.HashMap	attrMap Map for the quick attribute definition search
private boolean	isImmutable Is object class read-only (immutable)?
private boolean	isLeaf Is object class terminal (leaf)?
private java.lang.String	name Object class name

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ObjectClass(java.lang.String name, boolean isLeaf, boolean isImmutable, AttributeDefinition[] attributes) Construct an instance of the class.

Method Summary

Modifier and Type	Method and Description
(package private) AttributeDefinition	getAttributeDefinition(java.lang.String attribute) Get definitions for specified attribute.
(package private) AttributeDefinition[]	getClassDefinition() Get definitions for all class attributes.
(package private) java.lang.String	getName() Returns Object class name.
(package private) boolean	isClassImmutable() Class is immutable if the back-end does not allow any change to its state.
(package private) boolean	isClassLeaf() Class is leaf if no other object can be created under objects of the class.

Methods inherited from class java.lang.Object

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

Field Detail

name

private java.lang.String name

Object class name

isLeaf

private boolean isLeaf

Is object class terminal (leaf)?

isImmutable

private boolean isImmutable

Is object class read-only (immutable)?

attributes

private AttributeDefinition[] attributes

Object class attribute definition

attrMap

private java.util.HashMap attrMap

Map for the quick attribute definition search

Constructor Detail

ObjectClass

protected ObjectClass(java.lang.String name,
                      boolean isLeaf,
                      boolean isImmutable,
                      AttributeDefinition[] attributes)

Construct an instance of the class. Note that constructor is protected, so instances can be created only by derived classes.

Parameters:

name - Object class name.

isLeaf - If true then class can have child nodes.

isImmutable - If true then class attributes can be changed.

attributes - List of class attributes.

Method Detail

isClassLeaf

boolean isClassLeaf()

Class is leaf if no other object can be created under objects of the class. Also known as terminal.

Returns:

true if class is leaf.

isClassImmutable

boolean isClassImmutable()

Class is immutable if the back-end does not allow any change to its state.

Returns:

true if class is read-only.

getClassDefinition

AttributeDefinition[] getClassDefinition()

Get definitions for all class attributes.

Returns:

An array of objects describing class attributes.

getAttributeDefinition

AttributeDefinition getAttributeDefinition(java.lang.String attribute)

Get definitions for specified attribute.

Parameters:

attribute - Attribute name.

Returns:

Definition of specified attribute.

getName

java.lang.String getName()

Returns Object class name.

Returns:

Name of the Object class.