/*
* 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 io.milton.principal;
import io.milton.resource.Resource;
/**
* Indicates a principle which is identifiable by a URL, like a user or
* an application defined group
*
* @author brad
*/
public interface DiscretePrincipal extends Principal, Resource{
/**
* A URL to identify this principle **and** the owner of this principal. Note the relationship between this and
* the AccessControlledResource.getPrincipalURL method which returns the principal
* that owns the resource.
*
* It is assumed that where a AccessControlledResource instance is also a DiscretePrincipal
* that the getPrincipalURL method will return the url of itself.
*
* In other words, we make the semantic decision that a principle owns itself.
*
* @return
*/
public String getPrincipalURL();
}