Package org.dspace.eperson

Class Group

java.lang.Object

org.dspace.content.DSpaceObject

org.dspace.content.CacheableDSpaceObject

org.dspace.eperson.Group

All Implemented Interfaces:

Serializable, DSpaceObjectLegacySupport, ReloadableEntity<UUID>

@Entity
public class Group
extends CacheableDSpaceObject
implements DSpaceObjectLegacySupport

Class representing a group of e-people.

Author:

David Stuve

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ADMIN
static final String	ANONYMOUS

Fields inherited from class org.dspace.content.DSpaceObject

id, predefinedUUID

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Group()	Protected constructor, create object using: GroupService.create(Context)

Method Summary

Modifier and Type	Method	Description
void	clearGroupsChanged()
boolean	equals(Object obj)	Return true if other is the same Group as this object, false otherwise
Integer	getLegacyId()
List<Group>	getMemberGroups()	Return Group members (i.e. direct subgroups) of a Group.
List<EPerson>	getMembers()	Return EPerson members of a Group.
String	getName()
int	getType()	Get the type of this object, found in Constants
int	hashCode()
boolean	isGroupsChanged()
Boolean	isPermanent()	May this Group be renamed or deleted?

Methods inherited from class org.dspace.content.DSpaceObject

addDetails, addHandle, addMetadata, clearDetails, clearModified, getDetails, getHandle, getHandles, getID, getMetadata, getPredefinedUUID, getResourcePolicies, isMetadataModified, isModified, removeMetadata, removeMetadata, setMetadata, setMetadataModified, setModified

Methods inherited from class java.lang.Object

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

Field Details

ANONYMOUS

public static final String ANONYMOUS

See Also:

• Constant Field Values

ADMIN

public static final String ADMIN

See Also:

• Constant Field Values

Constructor Details

Group

protected Group()

Protected constructor, create object using: GroupService.create(Context)

Method Details

getMembers

public List<EPerson> getMembers()

Return EPerson members of a Group.

WARNING: This method may have bad performance for Groups with large numbers of EPerson members. Therefore, only use this when you need to access every EPerson member. Instead, consider using EPersonService.findByGroups() for a paginated list of EPersons.

Returns:

list of EPersons

getMemberGroups

public List<Group> getMemberGroups()

Return Group members (i.e. direct subgroups) of a Group.

WARNING: This method may have bad performance for Groups with large numbers of Subgroups. Therefore, only use this when you need to access every Subgroup. Instead, consider using GroupService.findByParent() for a paginated list of Subgroups.

Returns:

list of subgroups

equals

public boolean equals(Object obj)

Return true if other is the same Group as this object, false otherwise

Overrides:

equals in class Object

Parameters:

obj - object to compare to

Returns:

true if object passed in represents the same group as this object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getType

public int getType()

Description copied from class: DSpaceObject

Get the type of this object, found in Constants

Specified by:

getType in class DSpaceObject

Returns:

type of the object

getName

public String getName()

Specified by:

getName in class DSpaceObject

isGroupsChanged

public boolean isGroupsChanged()

clearGroupsChanged

public void clearGroupsChanged()

getLegacyId

public Integer getLegacyId()

Specified by:

getLegacyId in interface DSpaceObjectLegacySupport

Returns:

the old integer based legacy identifier

isPermanent

public Boolean isPermanent()

May this Group be renamed or deleted? (The content of any group may be changed.)

Returns:

true if this Group may not be renamed or deleted.