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/*
* 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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