Interface TermHierarchyDesignSession

All Superinterfaces:

AutoCloseable, Closeable, OsidSession, OsidSession

public interface TermHierarchyDesignSession
extends OsidSession

This session defines methods for managing a hierarchy of Terms . Each node in the hierarchy is a unique Term.

Like all OsidSessions, TermHierarchyDesignSessions are dedicated to single processing threads and a single authenticated user.

Method Summary

Modifier and Type	Method	Description
void	addChildTerm(Id termId, Id childId)	Adds a child to a term.
void	addRootTerm(Id termId)	Adds a root term.
boolean	canModifyTermHierarchy()	Tests if this user can change the hierarchy.
Hierarchy	getTermHierarchy()	Gets the hierarchy associated with this session.
Id	getTermHierarchyId()	Gets the hierarchy Id associated with this session.
void	removeChildTerm(Id termId, Id childId)	Removes a child from a term.
void	removeChildTerms(Id termId)	Removes all children from a term.
void	removeRootTerm(Id termId)	Removes a root term.

Methods inherited from interface Closeable

close

Methods inherited from interface OsidSession

close

Methods inherited from interface OsidSession

getAuthenticatedAgent, getAuthenticatedAgentId, getClockRate, getDate, getEffectiveAgent, getEffectiveAgentId, getFormatTypes, getLocales, isAuthenticated, startTransaction, supportsTransactions

Method Details

getTermHierarchyId

Id getTermHierarchyId()

Gets the hierarchy Id associated with this session.

Returns:

the hierarchy Id associated with this session

Compliance:

mandatory - This method must be implemented.

getTermHierarchy

Hierarchy getTermHierarchy()
                    throws OperationFailedException,
PermissionDeniedException

Gets the hierarchy associated with this session.

Returns:

the hierarchy associated with this session

Throws:

OperationFailedException - unable to complete request

PermissionDeniedException - authorization failure

Compliance:

mandatory - This method must be implemented.

canModifyTermHierarchy

boolean canModifyTermHierarchy()

Tests if this user can change the hierarchy. A return of true does not guarantee successful authorization. A return of false indicates that it is known performing any update will result in a PERMISSION_DENIED. This is intended as a hint to an application that may opt not to offer these operations to an unauthorized user.

Returns:

false if changing this hierarchy is not authorized, true otherwise

Compliance:

mandatory - This method must be implemented.

addRootTerm

void addRootTerm(Id termId)
          throws AlreadyExistsException,
NotFoundException,
OperationFailedException,
PermissionDeniedException

Adds a root term.

Parameters:

termId - the Id of a term

Throws:

AlreadyExistsException - termId is already in hierarchy

NotFoundException - termId not found

NullArgumentException - termId is null

OperationFailedException - unable to complete request

PermissionDeniedException - authorization failure

Compliance:

mandatory - This method must be implemented.

removeRootTerm

void removeRootTerm(Id termId)
             throws NotFoundException,
OperationFailedException,
PermissionDeniedException

Removes a root term.

Parameters:

termId - the Id of a term

Throws:

NotFoundException - termId not a root node

NullArgumentException - termId is null

OperationFailedException - unable to complete request

PermissionDeniedException - authorization failure

Compliance:

mandatory - This method must be implemented.

addChildTerm

void addChildTerm(Id termId,
 Id childId)
           throws AlreadyExistsException,
NotFoundException,
OperationFailedException,
PermissionDeniedException

Adds a child to a term.

Parameters:

termId - the Id of a term

childId - the Id of the new child

Throws:

AlreadyExistsException - termId is already a parent of childId

NotFoundException - termId or childId not found

NullArgumentException - termId or childId is null

OperationFailedException - unable to complete request

PermissionDeniedException - authorization failure

Compliance:

mandatory - This method must be implemented.

removeChildTerm

void removeChildTerm(Id termId,
 Id childId)
              throws NotFoundException,
OperationFailedException,
PermissionDeniedException

Removes a child from a term.

Parameters:

termId - the Id of a term

childId - the Id of the new child

Throws:

NotFoundException - termId not a parent of childId

NullArgumentException - termId or childId is null

OperationFailedException - unable to complete request

PermissionDeniedException - authorization failure

Compliance:

mandatory - This method must be implemented.

removeChildTerms

void removeChildTerms(Id termId)
               throws NotFoundException,
OperationFailedException,
PermissionDeniedException

Removes all children from a term.

Parameters:

termId - the Id of a term

Throws:

NotFoundException - termId is not in hierarchy

NullArgumentException - termId is null

OperationFailedException - unable to complete request

PermissionDeniedException - authorization failure

Compliance:

mandatory - This method must be implemented.