| /* |
| * 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.knox.gateway.deploy; |
| |
| import org.apache.knox.gateway.topology.Service; |
| import org.apache.knox.gateway.topology.Version; |
| |
| public interface ServiceDeploymentContributor { |
| |
| // The role of this service deployment contributor. e.g. WEBHDFS |
| String getRole(); |
| |
| // The name of this service deployment contributor. Not used yet. |
| String getName(); |
| |
| /** |
| * Returns the version of the deployment contributor. This helps in providing versioned |
| * contributions for service versions. |
| * @return the version |
| */ |
| Version getVersion(); |
| |
| // Called after provider initializeContribution methods and in arbitrary order relative to other service contributors. |
| void initializeContribution( DeploymentContext context ); |
| |
| // Called per service based on the service's role. |
| // Returns a list of resources it added to the descriptor. |
| void contributeService( DeploymentContext context, Service service ) throws Exception; |
| |
| // Called after all contributors and before provider finalizeContribution methods. |
| void finalizeContribution( DeploymentContext context ); |
| |
| } |