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

Interface GroupResourceVirtualAttributesModuleImplApi

All Superinterfaces:

AttributesModuleImplApi, GroupResourceAttributesModuleImplApi, VirtualAttributesModuleImplApi

All Known Implementing Classes:

GroupResourceVirtualAttributesModuleAbstract, urn_perun_group_resource_attribute_def_virt_googleGroupName, urn_perun_group_resource_attribute_def_virt_unixGID, urn_perun_group_resource_attribute_def_virt_unixGroupName

public interface GroupResourceVirtualAttributesModuleImplApi
extends GroupResourceAttributesModuleImplApi, VirtualAttributesModuleImplApi

This interface serves as a template for virtual attributes.

Author:

Slavek Licehammer <glory@ics.muni.cz>

Method Summary

Modifier and Type	Method	Description
Attribute	getAttributeValue(PerunSessionImpl sess, Group group, Resource resource, AttributeDefinition attribute)	This method will return computed value.
boolean	removeAttributeValue(PerunSessionImpl sess, Group group, Resource resource, AttributeDefinition attribute)	Currently do nothing.
boolean	setAttributeValue(PerunSessionImpl sess, Group group, Resource resource, Attribute attribute)	Method sets attributes' values which are dependent on this virtual attribute.

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

getAttributeDefinition, getAuthorizedRoles, getDependencies, resolveVirtualAttributeValueChange

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

changedAttributeHook, checkAttributeSemantics, checkAttributeSyntax, fillAttribute

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

getStrongDependencies

Method Details

getAttributeValue

Attribute getAttributeValue(PerunSessionImpl sess,
 Group group,
 Resource resource,
 AttributeDefinition attribute)

This method will return computed value.

Parameters:

sess - perun session

group - group which is needed for computing the value

resource - resource which is needed for computing the value

attribute - attribute to operate on

Returns:

Throws:

InternalErrorException - if an exception is raised in particular implementation, the exception is wrapped in InternalErrorException

removeAttributeValue

boolean removeAttributeValue(PerunSessionImpl sess,
 Group group,
 Resource resource,
 AttributeDefinition attribute)

Currently do nothing.

Parameters:

sess -

group - group which is needed for computing the value

resource - resource which is needed for computing the value

attribute - attribute to operate on

Returns:

true if attribute was changed (deleted) or false if attribute was not present in a first place

setAttributeValue

boolean setAttributeValue(PerunSessionImpl sess,
 Group group,
 Resource resource,
 Attribute attribute)
                   throws WrongReferenceAttributeValueException

Method sets attributes' values which are dependent on this virtual attribute.

Parameters:

sess -

group - group which is needed for computing the value

resource - resource which is needed for computing the value

attribute - attribute to operate on

Returns:

true if attribute was really changed

Throws:

InternalErrorException - if an exception is raised in particular implementation, the exception is wrapped in InternalErrorException

WrongReferenceAttributeValueException