content: /*
   *  Licensed 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.
   *
   *  See the NOTICE file distributed with this work for additional
   *  information regarding copyright ownership.
   */
  
  package org.seaborne.delta.server.local.patchstores.any;
  
  import org.apache.jena.atlas.logging.Log;
  import org.seaborne.delta.DeltaConfigException;
  import org.seaborne.delta.DeltaConst;
  import org.seaborne.delta.server.Provider;
  import org.seaborne.delta.server.local.LocalServerConfig;
  import org.seaborne.delta.server.local.PatchStore;
  import org.seaborne.delta.server.local.PatchStoreProvider;
  
  /**
   * A patch store provider that can rebuild from any local (file-based, or RockDB-based) installation.
   * This allows for a mixed storage implementation.
   */
  
  public class PatchStoreProviderAnyLocal implements PatchStoreProvider {
  
      public PatchStoreProviderAnyLocal() {}
  
      @Override
      public PatchStore create(LocalServerConfig config) {
          // The directory where all patch logs are kept.
          String patchLogDirectory = config.getProperty(DeltaConst.pDeltaStore);
          if ( patchLogDirectory == null ) {
              Log.error(this, "No file area setting in the configuration for local patch storage setup");
              throw new DeltaConfigException("No file area setting in the configuration for local patch storage setup");
          }
          return create(patchLogDirectory);
      }
  
      public PatchStoreAnyLocal create(String patchLogDirectory) {
          if ( patchLogDirectory == null )
              return null;
          return new PatchStoreAnyLocal(patchLogDirectory, this);
      }
  
      @Override
      public Provider getType() { return Provider.LOCAL; }
  
      @Override
      public String getShortName() {
          return "Local";
      }
  }
  