content: /*
   * 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.asterix.common.library;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.URI;
  import java.security.MessageDigest;
  import java.util.List;
  import java.util.function.Function;
  
  import org.apache.asterix.common.metadata.Namespace;
  import org.apache.asterix.external.ipc.ExternalFunctionResultRouter;
  import org.apache.http.impl.client.CloseableHttpClient;
  import org.apache.hyracks.algebricks.common.utils.Pair;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.exceptions.HyracksException;
  import org.apache.hyracks.api.io.FileReference;
  import org.apache.hyracks.api.io.IIOManager;
  import org.apache.hyracks.control.nc.NodeControllerService;
  import org.apache.hyracks.ipc.impl.IPCSystem;
  
  public interface ILibraryManager {
  
      String LIBRARY_ARCHIVE_NAME = "library_archive.zip";
  
      List<Pair<Namespace, String>> getLibraryListing() throws IOException;
  
      String getLibraryHash(Namespace namespace, String libraryName) throws IOException;
  
      ILibrary getLibrary(Namespace namespace, String libraryName) throws HyracksDataException;
  
      void closeLibrary(Namespace namespace, String libraryName) throws HyracksDataException;
  
      // deployment helpers
  
      FileReference getStorageDir();
  
      FileReference getLibraryDir(Namespace namespace, String libraryName) throws HyracksDataException;
  
      FileReference getDistributionDir();
  
      String getNsOrDv(Namespace ns);
  
      void dropLibraryPath(FileReference fileRef) throws HyracksDataException;
  
      byte[] serializeLibraryDescriptor(LibraryDescriptor libraryDescriptor) throws HyracksDataException;
  
      ExternalFunctionResultRouter getRouter();
  
      IPCSystem getIPCI();
  
      NodeControllerService getNcs();
  
      MessageDigest download(FileReference targetFile, String authToken, URI libLocation) throws HyracksException;
  
      void unzip(FileReference sourceFile, FileReference outputDir) throws IOException;
  
      void unzip(FileReference sourceFile, FileReference outputDir, boolean limited) throws IOException;
  
      long writeAndForce(FileReference outputFile, InputStream dataStream, byte[] copyBuffer, IIOManager localIoManager,
              boolean limited) throws IOException;
  
      void setUploadClient(Function<ILibraryManager, CloseableHttpClient> f);
  
      void writeShim(FileReference outputFile, byte[] copyBuf) throws IOException;
  
      IIOManager getCloudIOManager();
  }
  