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.dataflow.data.nontagged.printers.json.clean;
  
  import java.io.PrintStream;
  
  import org.apache.asterix.om.pointables.PointableAllocator;
  import org.apache.asterix.om.pointables.base.DefaultOpenFieldType;
  import org.apache.asterix.om.pointables.base.IVisitablePointable;
  import org.apache.asterix.om.pointables.printer.json.clean.APrintVisitor;
  import org.apache.asterix.om.types.AOrderedListType;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.om.types.IAType;
  import org.apache.hyracks.algebricks.common.utils.Pair;
  import org.apache.hyracks.algebricks.data.IPrinter;
  import org.apache.hyracks.algebricks.data.IPrinterFactory;
  import org.apache.hyracks.api.context.IEvaluatorContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public class AOrderedlistPrinterFactory implements IPrinterFactory {
  
      private static final long serialVersionUID = 1L;
      private final AOrderedListType orderedlistType;
  
      public AOrderedlistPrinterFactory(AOrderedListType orderedlistType) {
          this.orderedlistType = orderedlistType;
      }
  
      @Override
      public IPrinter createPrinter(IEvaluatorContext context) {
          final PointableAllocator allocator = new PointableAllocator();
          final IAType inputType = orderedlistType == null ? DefaultOpenFieldType.getDefaultOpenFieldType(ATypeTag.ARRAY)
                  : orderedlistType;
          final IVisitablePointable listAccessor = allocator.allocateListValue(inputType);
          final APrintVisitor printVisitor = new APrintVisitor();
          final Pair<PrintStream, ATypeTag> arg = new Pair<>(null, null);
  
          return new IPrinter() {
              @Override
              public void init() {
                  arg.second = inputType.getTypeTag();
              }
  
              @Override
              public void print(byte[] b, int start, int l, PrintStream ps) throws HyracksDataException {
                  listAccessor.set(b, start, l);
                  arg.first = ps;
                  listAccessor.accept(printVisitor, arg);
              }
          };
      }
  }
  