/*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
package org.apache.catalina;
import java.security.Principal;
import java.util.Iterator;
/**
* < p > Abstract representation of a group of { @ link User } s in a
* { @ link UserDatabase } . Each user that is a member of this group
* inherits the { @ link Role } s assigned to the group . < / p >
*
* @ author Craig R . McClanahan
* @ since 4 . 1
*/
public interface Group extends Principal {
// ------------------------------------------------------------- Properties
/**
* @ return the description of this group .
*/
String getDescription();
/**
* Set the description of this group .
*
* @ param description The new description
*/
void setDescription(String description);
/**
* @ return the group name of this group , which must be unique
* within the scope of a { @ link UserDatabase } .
*/
String getGroupname();
/**
* Set the group name of this group , which must be unique
* within the scope of a { @ link UserDatabase } .
*
* @ param groupname The new group name
*/
void setGroupname(String groupname);
/**
* @ return the set of { @ link Role } s assigned specifically to this group .
*/
Iterator<Role> getRoles();
/**
* @ return the { @ link UserDatabase } within which this Group is defined .
*/
UserDatabase getUserDatabase();
/**
* @ return the set of { @ link User } s that are members of this group .
*/
Iterator<User> getUsers();
// --------------------------------------------------------- Public Methods
/**
* Add a new { @ link Role } to those assigned specifically to this group .
*
* @ param role The new role
*/
void addRole(Role role);
/**
* Is this group specifically assigned the specified { @ link Role } ?
*
* @ param role The role to check
*
* @ return < code > true < / code > if the group is assigned to the specified role
* otherwise < code > false < / code >
*/
boolean isInRole(Role role);
/**
* Remove a { @ link Role } from those assigned to this group .
*
* @ param role The old role
*/
void removeRole(Role role);
/**
* Remove all { @ link Role } s from those assigned to this group .
*/
void removeRoles();
}
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