content: package org.apache.archiva.metadata.audit;
  
  /*
   * 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.
   */
  
  import org.apache.archiva.metadata.model.ProjectVersionMetadata;
  import org.apache.archiva.metadata.repository.MetadataRepository;
  import org.apache.archiva.metadata.repository.RepositorySession;
  import org.apache.archiva.metadata.repository.storage.RepositoryStorageMetadataException;
  
  /**
   * Listen to events on the repository. This class is a stopgap
   * refactoring measure until an event bus is in place to handle
   * generic events such as these.
   * <p>
   * This assumes that the events occur before the action has completed, though they don't currently offer any mechanism
   * to prevent an event from occurring or guarantee that it will happen.
   * <p>
   * FIXME: this needs to be made more permanent since 3rd party plugins will depend on it heavily
   */
  public interface RepositoryListener
  {
      void deleteArtifact( MetadataRepository metadataRepository, String repositoryId, String namespace, String project,
                           String version, String id );
  
      void addArtifact( RepositorySession session, String repoId, String namespace, String projectId,
                        ProjectVersionMetadata metadata );
  
      // FIXME: this would be better as a "processException" method, with the event information captured in a single class
      void addArtifactProblem( RepositorySession session, String repoId, String namespace, String projectId,
                               String projectVersion, RepositoryStorageMetadataException exception );
  }
  