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.bookkeeper.metastore;
  
  import java.util.Set;
  import org.apache.bookkeeper.metastore.MetastoreScannableTable.Order;
  
  /**
   * Async to sync converter for a metastore scannable table.
   */
  public class MetastoreScannableTableAsyncToSyncConverter extends
               MetastoreTableAsyncToSyncConverter {
  
      private MetastoreScannableTable scannableTable;
  
      public MetastoreScannableTableAsyncToSyncConverter(
              MetastoreScannableTable table) {
          super(table);
          this.scannableTable = table;
      }
  
      public MetastoreCursor openCursor(String firstKey, boolean firstInclusive,
                                        String lastKey, boolean lastInclusive,
                                        Order order)
      throws MSException {
          HeldValue<MetastoreCursor> retValue = new HeldValue<MetastoreCursor>();
          // make the actual async call
          this.scannableTable.openCursor(firstKey, firstInclusive, lastKey, lastInclusive,
                                         order, retValue, null);
          retValue.waitCallback();
          return retValue.getValue();
      }
  
      public MetastoreCursor openCursor(String firstKey, boolean firstInclusive,
                                        String lastKey, boolean lastInclusive,
                                        Order order, Set<String> fields)
      throws MSException {
          HeldValue<MetastoreCursor> retValue = new HeldValue<MetastoreCursor>();
          // make the actual async call
          this.scannableTable.openCursor(firstKey, firstInclusive, lastKey, lastInclusive,
                                         order, fields, retValue, null);
          retValue.waitCallback();
          return retValue.getValue();
      }
  
  }
  