/*
* Copyright (c) 2005-2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.registry.admin.api.relations;
import org.wso2.carbon.registry.core.exceptions.RegistryException;
/**
* Provides functionality to manage relationships (associations and dependencies) among resources
* and collections.
*
* @param <AssociationTreeBean> This bean can be used to manage relationships from this resource.
* Each association can have a type, which can be used to group a set
* of related relationships.
* @param <DependenciesBean> This bean can be used to manage dependencies of this resource. A
* dependency cannot have a type like an association. A dependency is
* a special type of association of type 'depends'.
*/
public interface IRelationService<DependenciesBean, AssociationTreeBean> {
/**
* Method to obtain a list of dependencies.
*
* @param path the resource path.
*
* @return the list of dependencies.
* @throws RegistryException if the operation failed.
*/
DependenciesBean getDependencies(String path) throws RegistryException;
/**
* Method to add an association (or dependency).
*
* @param path the resource path.
* @param type the type of association. If the type of association is 'depends' a
* dependency will be created.
* @param associationPaths the list of associations to be added.
*
* @throws RegistryException if the operation failed.
*/
void addAssociation(String path, String type, String associationPaths,
String operation) throws RegistryException;
// TODO: FIXME: The operation parameter is not required. Get rid of that and fix the
// addAssociation method on the BE service.
/**
* Method to obtain a list of associations.
*
* @param path the resource path.
* @param type the type of association.
*
* @return the list of associations.
* @throws RegistryException if the operation failed.
*/
AssociationTreeBean getAssociationTree(String path, String type) throws RegistryException;
}