src.java.org.sakaiproject.hierarchy.HierarchyService Maven / Gradle / Ivy
/**
* Copyright (c) 2007-2014 The Apereo Foundation
*
* Licensed under the Educational Community 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://opensource.org/licenses/ecl2
*
* 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.
*/
/*
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* The Apereo Foundation licenses this file to you under the Educational
* Community 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://opensource.org/licenses/ecl2.txt
*
* 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.sakaiproject.hierarchy;
import org.sakaiproject.hierarchy.model.HierarchyNode;
/**
* This service interface defines the capabilities of the hierarchy system
*
* @author Aaron Zeckoski ([email protected])
*/
public interface HierarchyService extends HierarchyNodeReader, HierarchyNodeWriter, HierarchyTokens, HierarchyPermissions {
/**
* Creates a new hierarchy with the unique id specified, exception if this id is already used
* @param hierarchyId a unique id which defines the hierarchy
* @return the object representing the root node of the new hierarchy
*/
public HierarchyNode createHierarchy(String hierarchyId);
/**
* Sets the root node of this hierarchy, note that although a hierarchy might have multiple
* nodes at the top of the hierarchy, it always has a primary node which is considering the
* "entry point" into the hierarchy
* A node must have no parents to be set to the root node
* The first node added to a hierarchy becomes the root node by default
* @param hierarchyId a unique id which defines the hierarchy
* @param nodeId a unique id for a hierarchy node
* @return the object representing the node which is now the root node
*/
public HierarchyNode setHierarchyRootNode(String hierarchyId, String nodeId);
/**
* Completely and permanantly destroy a hierarchy and all related nodes
* @param hierarchyId a unique id which defines the hierarchy
*/
public void destroyHierarchy(String hierarchyId);
}