src/main/scala/servicediagnostics/ServiceDiagnosticsPlugin.scala

/*
 * 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.felix.servicediagnostics

/**
 * This is the interface to be implemented by participating service injection frameworks
 * such as SCR or DependencyManager. 
 * Each plugin implementation is responsible for returning its own set of leaf unresolved dependencies.
 *
 * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
 */
trait ServiceDiagnosticsPlugin 
{
    /** 
     * returns a map of unresolved service name -&gt; list of missing deps 
     * leafs only: should not include intermediates
     * @return the unresolved service names
     */
    def getUnresolvedDependencies:Map[String, List[Dependency]] 
}

/**
 * This class represents a service dependency.
 * @param name the service name
 * @param filter the optional service filter
 */
class Dependency(val name:String, val filter:String) 
{
    override def toString = name//+"("+filter+")" FIXME
}