| /* |
| * 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.openjpa.instrumentation; |
| |
| import java.util.Set; |
| |
| import org.apache.openjpa.conf.OpenJPAConfiguration; |
| import org.apache.openjpa.lib.conf.PluginListValue; |
| import org.apache.openjpa.lib.instrumentation.InstrumentationLevel; |
| import org.apache.openjpa.lib.instrumentation.InstrumentationProvider; |
| import org.apache.openjpa.lib.util.Closeable; |
| |
| /** |
| * Managers of instrumentation providers must implement this interface. It |
| * provides methods for initializing multiple providers via configuration in |
| * addition to managing instrumentation providers and the state of the providers. |
| */ |
| public interface InstrumentationManager extends Closeable { |
| |
| /** |
| * Used to initialize one or more providers using the supplied configuration. |
| * @param conf the configuration to use for initialization |
| * @param providers one or more providers as supplied via plugin list value |
| */ |
| void initialize(OpenJPAConfiguration conf, PluginListValue providers); |
| |
| /** |
| * Manage a given provider. This will plug the instruments managed by the |
| * the provider into the life cycle of the manager |
| * @param provider the instrumentation provider |
| */ |
| void manageProvider(InstrumentationProvider provider); |
| |
| /** |
| * Starts all instruments for all managed providers for a given level |
| * and context. |
| * @param level instrumentation level |
| * @param context instrumentation context (broker, factory, config,...) |
| */ |
| void start(InstrumentationLevel level, Object context); |
| |
| /** |
| * Stops all instruments for all managed providers for a given level |
| * and context. |
| * @param level instrumentation level |
| * @param context instrumentation context (broker, factory, config,...) |
| */ |
| void stop(InstrumentationLevel broker, Object context); |
| |
| /** |
| * Returns all providers managed by this manager. |
| * @return all providers managed by this manager |
| */ |
| Set<InstrumentationProvider> getProviders(); |
| } |