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- All Superinterfaces:
- Principal
 
 @Deprecated(since="9", forRemoval=true) public interface Group extends Principal Deprecated, for removal: This API element is subject to removal in a future version.This class is deprecated and subject to removal in a future version of Java SE. It has been replaced byjava.security.Policyand related classes since 1.2.This interface is used to represent a group of principals. (A principal represents an entity such as an individual user or a company).Note that Group extends Principal. Thus, either a Principal or a Group can be passed as an argument to methods containing a Principal parameter. For example, you can add either a Principal or a Group to a Group object by calling the object's addMembermethod, passing it the Principal or Group.- Since:
- 1.1
 
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Method SummaryAll Methods Instance Methods Abstract Methods Deprecated Methods Modifier and Type Method Description booleanaddMember(Principal user)Deprecated, for removal: This API element is subject to removal in a future version.Adds the specified member to the group.booleanisMember(Principal member)Deprecated, for removal: This API element is subject to removal in a future version.Returns true if the passed principal is a member of the group.Enumeration<? extends Principal>members()Deprecated, for removal: This API element is subject to removal in a future version.Returns an enumeration of the members in the group.booleanremoveMember(Principal user)Deprecated, for removal: This API element is subject to removal in a future version.Removes the specified member from the group.
 
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Method Detail- 
addMemberboolean addMember(Principal user) Deprecated, for removal: This API element is subject to removal in a future version.Adds the specified member to the group.- Parameters:
- user- the principal to add to this group.
- Returns:
- true if the member was successfully added, false if the principal was already a member.
 
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removeMemberboolean removeMember(Principal user) Deprecated, for removal: This API element is subject to removal in a future version.Removes the specified member from the group.- Parameters:
- user- the principal to remove from this group.
- Returns:
- true if the principal was removed, or false if the principal was not a member.
 
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isMemberboolean isMember(Principal member) Deprecated, for removal: This API element is subject to removal in a future version.Returns true if the passed principal is a member of the group. This method does a recursive search, so if a principal belongs to a group which is a member of this group, true is returned.- Parameters:
- member- the principal whose membership is to be checked.
- Returns:
- true if the principal is a member of this group, false otherwise.
 
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membersEnumeration<? extends Principal> members() Deprecated, for removal: This API element is subject to removal in a future version.Returns an enumeration of the members in the group. The returned objects can be instances of either Principal or Group (which is a subclass of Principal).- Returns:
- an enumeration of the group members.
 
 
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