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.runtime.evaluators.constructors;
  
  import java.io.DataOutput;
  import java.io.IOException;
  
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.om.types.hierachy.ATypeHierarchy;
  import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
  import org.apache.hyracks.api.context.IEvaluatorContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.exceptions.SourceLocation;
  import org.apache.hyracks.data.std.api.IPointable;
  import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
  
  public abstract class AbstractIntConstructorEvaluator extends AbstractConstructorEvaluator {
  
      protected final ArrayBackedValueStorage tmpStorage;
      protected final DataOutput tmpOut;
  
      public AbstractIntConstructorEvaluator(IEvaluatorContext ctx, IScalarEvaluator inputEval,
              SourceLocation sourceLoc) {
          super(ctx, inputEval, sourceLoc);
          tmpStorage = new ArrayBackedValueStorage();
          tmpOut = tmpStorage.getDataOutput();
      }
  
      protected void promoteNumeric(ATypeTag inputType, byte[] bytes, int startOffset, int len, IPointable result)
              throws HyracksDataException {
          resultStorage.reset();
          try {
              ATypeHierarchy.getTypePromoteComputer(inputType, getTargetType().getTypeTag()).convertType(bytes,
                      startOffset, len, out);
              result.set(resultStorage);
          } catch (IOException e) {
              throw HyracksDataException.create(e);
          }
      }
  
      protected void demoteNumeric(ATypeTag inputType, byte[] bytes, int startOffset, int len, IPointable result)
              throws HyracksDataException {
          resultStorage.reset();
          try {
              ATypeHierarchy.getTypeDemoteComputer(inputType, getTargetType().getTypeTag(), false).convertType(bytes,
                      startOffset, len, out);
              result.set(resultStorage);
          } catch (IOException e) {
              throw HyracksDataException.create(e);
          }
      }
  }
  