CIAO::DomainDataManager Class Reference

Responsible for maintaining the Domain Information. More...

#include <DomainDataManager.h>

Collaboration diagram for CIAO::DomainDataManager:


Public Member Functions
int	update_domain (const ::CORBA::StringSeq &elements, const ::Deployment::Domain &domainSubset,::Deployment::DomainUpdateKind updateKind)
	This function is called by the other classes to update current domain data.
::Deployment::Domain *	get_initial_domain ()
	This function is called from the Executor code to get the Original Domain data.
::Deployment::Domain *	get_current_domain ()
	This function is called from the Executor code to get the Current Domain data.
void	commitResources (const ::Deployment::DeploymentPlan &plan)
	returns the sequence of node managers object reference
void	releaseResources (const ::Deployment::DeploymentPlan &plan)
	The function releases the resources held by a plan.
void	stop_monitors ()
	The function makes a call on the leaveDomain on the NodeManager.
void	commitResourceAllocation (const ::Deployment::ResourceAllocations &resources)
	The function allocates resources specified in the parameter.
void	releaseResourceAllocation (const ::Deployment::ResourceAllocations &resources)
	The function releases resources specified in the parameter.
Static Public Member Functions
static DomainDataManager *	create (CORBA::ORB_ptr orb,::Deployment::TargetManager_ptr target)
	This function is called to create the Datamanager.
static DomainDataManager *	get_data_manager ()
	Returns the static pointer to the data manager.
static void	delete_data_manger ()
	deletes the data manager
Private Types
	commit
	release
enum	Action { commit, release }
	The different actiona that can take place. More...
Private Member Functions
	DomainDataManager (CORBA::ORB_ptr orb,::Deployment::TargetManager_ptr target)
int	readin_domain_data ()
	It will read the initial Domain data from XML files.
void	match_requirement_resource (::Deployment::InstanceResourceDeploymentDescriptions deployed,::Deployment::Resources &available)
	Match the deployed resources to the available resource.
void	match_properties (::Deployment::Properties deployed,::Deployment::SatisfierProperties &available)
	Match the properties of a Requirement to the properties of available resource.
void	commit_release_resource (::Deployment::Property &deployed,::Deployment::SatisfierProperty &available)
	Either commits or releases the given resource based on the current Action set.
int	call_all_node_managers ()
	This function calls all NM and gives them the sub-domain.
int	add_to_domain (const ::Deployment::Domain &domain)
	This function add new elements to the already existing domain.
int	delete_from_domain (const ::Deployment::Domain &domain)
	This function deletes elements from the domain.
int	intimate_planner (const ::Deployment::Domain &domain)
	This function intimates the planner about a domain change.
bool	find_in_initial_domain (const char *node_name,::Deployment::Node &node)
	This function finds a new node in the initial_domain.
bool	find_in_provisioned_domain (const char *node_name,::Deployment::Node &node)
	This function finds a new node in the proviosiond_domain.
bool	update_node_status ()
	updates the node status by reading it from a file
::Deployment::Resource &	find_resource (const ::Deployment::ResourceAllocation &resource)
	It finds the Resource structure which is respresents the ResourceAllocation.
int	commit_release_RA (const ::Deployment::ResourceAllocations &resources)
Private Attributes
CORBA::ORB_var	orb_
	The ORB pointer.
CIAO::Deployment_Configuration	deployment_config_
	The Deployment Configuration.
::Deployment::Domain	initial_domain_
::Deployment::Domain	current_domain_
::Deployment::TargetManager_var	target_mgr_
	The Target Manager Context.
::Deployment::Domain	provisioned_data_
::Deployment::Domain	temp_provisioned_data_
Action	current_action_
	The current action.
Static Private Attributes
static DomainDataManager *	global_data_manager_ = 0
	The staic data member , replacing a global variable.

Detailed Description

Responsible for maintaining the Domain Information.

It maintains both the Current Domain Information as well as the Initial domain at full capacity.

Member Enumeration Documentation

enum CIAO::DomainDataManager::Action [private]

The different actiona that can take place.

Enumerator:

commit
release

Constructor & Destructor Documentation

CIAO::DomainDataManager::DomainDataManager	(	CORBA::ORB_ptr	orb,
		::Deployment::TargetManager_ptr	target
	)			`[private]`

The constructor made protected so that no one can create it.

Parameters:

	orb	The orb pointer
	target	The Target Manager Object Reference

Member Function Documentation

int CIAO::DomainDataManager::add_to_domain ( const ::Deployment::Domain & domain ) [private]

This function add new elements to the already existing domain.

Parameters:

domain

Deployment::Domain contians the new elements

int CIAO::DomainDataManager::call_all_node_managers ( ) [private]

This function calls all NM and gives them the sub-domain.

int CIAO::DomainDataManager::commit_release_RA ( const ::Deployment::ResourceAllocations & resources ) [private]

void CIAO::DomainDataManager::commit_release_resource	(	::Deployment::Property &	deployed,
		::Deployment::SatisfierProperty &	available
	)			`[private]`

Either commits or releases the given resource based on the current Action set.

Parameters:

	deployed	Deployment::Property is the resource to be commited/released
	available	Deployment::SatisfierProperty is the available resource from which committed/released.

Exceptions:

Deployment::ResourceNotAvailable

thrown when the deployed resources exceeds the available resource.

void CIAO::DomainDataManager::commitResourceAllocation ( const ::Deployment::ResourceAllocations & resources )

The function allocates resources specified in the parameter.

This function is for the ResourceCommitmentManager

void CIAO::DomainDataManager::commitResources ( const ::Deployment::DeploymentPlan & plan )

returns the sequence of node managers object reference

CIAO::DomainDataManager * CIAO::DomainDataManager::create	(	CORBA::ORB_ptr	orb,
		::Deployment::TargetManager_ptr	target
	)			`[static]`

This function is called to create the Datamanager.

This function calls the constructor of the class Domain Data Manager

Parameters:

	orb	The orb pointer
	target	The Target Manager Object Reference

void CIAO::DomainDataManager::delete_data_manger ( ) [static]

deletes the data manager

int CIAO::DomainDataManager::delete_from_domain ( const ::Deployment::Domain & domain ) [private]

This function deletes elements from the domain.

Parameters:

domain

Deployment::Domain contains the new elements in the domain

bool CIAO::DomainDataManager::find_in_initial_domain	(	const char *	node_name,
		::Deployment::Node &	node
	)			`[private]`

This function finds a new node in the initial_domain.

Parameters:

node

The name of the node which is to be searched

bool CIAO::DomainDataManager::find_in_provisioned_domain	(	const char *	node_name,
		::Deployment::Node &	node
	)			`[private]`

This function finds a new node in the proviosiond_domain.

Parameters:

node

The name of the node which is to be searched

Deployment::Resource & CIAO::DomainDataManager::find_resource ( const ::Deployment::ResourceAllocation & resource ) [private]

It finds the Resource structure which is respresents the ResourceAllocation.

find_resource

Deployment::Domain * CIAO::DomainDataManager::get_current_domain ( )

This function is called from the Executor code to get the Current Domain data.

Returns:: Domain* The Current Domain

CIAO::DomainDataManager * CIAO::DomainDataManager::get_data_manager ( ) [static]

Returns the static pointer to the data manager.

Returns:: DomainDataManager* The staic get_data_manger function returning the data_manager pointer

Deployment::Domain * CIAO::DomainDataManager::get_initial_domain ( )

This function is called from the Executor code to get the Original Domain data.

Returns:: Domain* The Initial Domain

int CIAO::DomainDataManager::intimate_planner ( const ::Deployment::Domain & domain ) [private]

This function intimates the planner about a domain change.

Parameters:

domain

Deployment::Domain contains the new elements in the domain

void CIAO::DomainDataManager::match_properties	(	::Deployment::Properties	deployed,
		::Deployment::SatisfierProperties &	available
	)			`[private]`

Match the properties of a Requirement to the properties of available resource.

Parameters:

	deployed	The deployed Properties
	available	The available Properties

void CIAO::DomainDataManager::match_requirement_resource	(	::Deployment::InstanceResourceDeploymentDescriptions	deployed,
		::Deployment::Resources &	available
	)			`[private]`

Match the deployed resources to the available resource.

int CIAO::DomainDataManager::readin_domain_data ( ) [private]

It will read the initial Domain data from XML files.

void CIAO::DomainDataManager::releaseResourceAllocation ( const ::Deployment::ResourceAllocations & resources )

The function releases resources specified in the parameter.

This function is for the ResourceCommitmentManager

void CIAO::DomainDataManager::releaseResources ( const ::Deployment::DeploymentPlan & plan )

The function releases the resources held by a plan.

Parameters:

plan

Deployment::DeploymentPlan the plan whose resources are to be released

void CIAO::DomainDataManager::stop_monitors ( )

The function makes a call on the leaveDomain on the NodeManager.

The node manager in turn stops the monitor

int CIAO::DomainDataManager::update_domain	(	const ::CORBA::StringSeq &	elements,
		const ::Deployment::Domain &	domainSubset,
		::Deployment::DomainUpdateKind	updateKind
	)

This function is called by the other classes to update current domain data.

Parameters:

	elements	The string sequence of elements being updated
	domainSubset	The subset of the actual Domain to be updated
	updateKind	Specifies the update type eg. add, delete, update