Package cz.metacentrum.perun.core.impl.modules.attributes

Class urn_perun_group_attribute_def_def_uniqueID

java.lang.Object

cz.metacentrum.perun.core.implApi.modules.attributes.AttributesModuleAbstract

cz.metacentrum.perun.core.implApi.modules.attributes.GroupAttributesModuleAbstract

cz.metacentrum.perun.core.impl.modules.attributes.urn_perun_group_attribute_def_def_uniqueID

All Implemented Interfaces:

AttributesModuleImplApi, GroupAttributesModuleImplApi

public class urn_perun_group_attribute_def_def_uniqueID
extends GroupAttributesModuleAbstract
implements GroupAttributesModuleImplApi

Class for checking and filling unique IDs for groups in the Perun. This unique ID is unpredictable and is usable for identifying of groups in other systems.

Author:

Michal Stava stavamichal@gmail.com

Constructor Summary

Constructors

Constructor	Description
urn_perun_group_attribute_def_def_uniqueID()

Method Summary

Modifier and Type	Method	Description
Attribute	fillAttribute(PerunSessionImpl session, Group group, AttributeDefinition attribute)	This method MAY fill an attribute at the specified resource.
AttributeDefinition	getAttributeDefinition()	Return attributes definition which is represented by the module
protected StringBuilder	sha1HashCount(Group group)	Generate unique ID as hexadecimal string representation of SHA1 digest from group ID.

Methods inherited from class cz.metacentrum.perun.core.implApi.modules.attributes.GroupAttributesModuleAbstract

changedAttributeHook, checkAttributeSemantics, checkAttributeSyntax

Methods inherited from class cz.metacentrum.perun.core.implApi.modules.attributes.AttributesModuleAbstract

getAuthorizedRoles, getDependencies, resolveVirtualAttributeValueChange

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.metacentrum.perun.core.implApi.modules.attributes.AttributesModuleImplApi

getAuthorizedRoles, getDependencies, resolveVirtualAttributeValueChange

Methods inherited from interface cz.metacentrum.perun.core.implApi.modules.attributes.GroupAttributesModuleImplApi

changedAttributeHook, checkAttributeSemantics, checkAttributeSyntax

Constructor Details

urn_perun_group_attribute_def_def_uniqueID

public urn_perun_group_attribute_def_def_uniqueID()

Method Details

fillAttribute

public Attribute fillAttribute(PerunSessionImpl session,
 Group group,
 AttributeDefinition attribute)
                        throws WrongAttributeAssignmentException

Description copied from interface: GroupAttributesModuleImplApi

This method MAY fill an attribute at the specified resource.

Specified by:

fillAttribute in interface GroupAttributesModuleImplApi

Overrides:

fillAttribute in class GroupAttributesModuleAbstract

Parameters:

session - perun session

group - group

attribute - attribute to fill in

Returns:

Throws:

WrongAttributeAssignmentException

getAttributeDefinition

public AttributeDefinition getAttributeDefinition()

Description copied from interface: AttributesModuleImplApi

Return attributes definition which is represented by the module

Specified by:

getAttributeDefinition in interface AttributesModuleImplApi

Overrides:

getAttributeDefinition in class AttributesModuleAbstract

Returns:

attribute definition

sha1HashCount

protected StringBuilder sha1HashCount(Group group)

Generate unique ID as hexadecimal string representation of SHA1 digest from group ID. Input is salted per Perun instance. Effective resulting string consist of [0-9a-f] characters.

It is used to generate unique IDs for Perun groups.

Parameters:

group - Group to generate ID for

Returns:

Builder to get string ID

Throws:

InternalErrorException - When generation fails