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Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/workspace-manager/src/main/java/org/apache/tuscany/sca/workspace/manager/WorkspaceManager.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/workspace-manager/src/main/java/org/apache/tuscany/sca/workspace/manager/WorkspaceManager.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/workspace-manager/src/main/java/org/apache/tuscany/sca/workspace/manager/WorkspaceManager.java b/sca-java-1.x/tags/1.6/modules/workspace-manager/src/main/java/org/apache/tuscany/sca/workspace/manager/WorkspaceManager.java new file mode 100644 index 0000000000..0ea82f8e86 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/workspace-manager/src/main/java/org/apache/tuscany/sca/workspace/manager/WorkspaceManager.java @@ -0,0 +1,106 @@ +/* + * 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.tuscany.sca.workspace.manager; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.workspace.Workspace; +import org.apache.tuscany.sca.workspace.manager.impl.WorkspaceManagerImpl; +import org.osoa.sca.ServiceRuntimeException; + +/** + * This workspace manager class provides an SPI for firing up the Tuscany runtime + * and for providing access to the Tuscany ExtensionPointRegsitry. With a reference to the + * registry you can add new extension points programmatically before starting the runtime. + * Once the runtime is started you can read contributions, create a workspace, populate it + * and then resolve it. + * + * A workspace is a collection of contributions. A workspace populated + * with one or more contribution models can be resolved to ensure + * that all referenced artifacts are located. When more than one contribution + * model is present resolution takes into account the import and export relationships + * between contributions. + */ +public abstract class WorkspaceManager { + + /** + * Get a new instance of the WorkspaceManager. Each call will create a + * distinct instance. + * + * @return workspace manager + */ + public static WorkspaceManager newInstance() throws ServiceRuntimeException{ + try { + // replace with service discovery lookup? + return new WorkspaceManagerImpl(); + } catch(Exception ex){ + throw new ServiceRuntimeException(ex); + } + } + + /** + * If you want to add new extensions to the extension point + * registry and have the runtime take notice of them you need + * to do this before calling start + */ + public abstract ExtensionPointRegistry getRegistry(); + + /** + * Starting the runtime creates the extensible model processors and + * resolvers based on the extension points currently found in the + * extension point registry. + */ + public abstract void start() throws ServiceRuntimeException; + + /** + * Remove any resources being held by the runtime + */ + public abstract void stop() throws ServiceRuntimeException; + + /** + * Create an empty workspace + * + * @return workspace + */ + public abstract Workspace createWorkspace() throws ServiceRuntimeException; + + /** + * Create a contribution model by reading from the specified location URL + * + * @param name the URI that's given to the contribution + * @param location the URL of the contribution to be read + */ + public abstract Contribution readContribution(String name, String location) throws ServiceRuntimeException; + + /** + * Add a contribution to a workspace + * + * @param workspace the workspace to be extended + * @param contribution the contribution to be added + */ + public abstract void addContributionToWorkspace(Workspace workspace, Contribution contribution) throws ServiceRuntimeException; + + /** + * Resolve all of the contributions in the workspace + * + * @param workspace + */ + public abstract void resolveWorkspace(Workspace workspace) throws ServiceRuntimeException; +} |