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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.repository.graphdb.janus.serializer;
  
  import org.janusgraph.core.attribute.AttributeSerializer;
  import org.janusgraph.diskstorage.ScanBuffer;
  import org.janusgraph.diskstorage.WriteBuffer;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  
  /**
   * Serializer for BigDecimal values.
   */
  public class BigDecimalSerializer implements AttributeSerializer<BigDecimal> {
      private final BigIntegerSerializer bigIntegerDelegate = new BigIntegerSerializer();
  
      @Override
      public BigDecimal read(ScanBuffer buffer) {
          BigInteger unscaledVal = bigIntegerDelegate.read(buffer);
          int        scale       = buffer.getInt();
  
          return new BigDecimal(unscaledVal, scale);
      }
  
      @Override
      public void write(WriteBuffer buffer, BigDecimal attribute) {
          BigInteger unscaledVal = attribute.unscaledValue();
          int        scale       = attribute.scale();
  
          bigIntegerDelegate.write(buffer, unscaledVal);
  
          buffer.putInt(scale);
      }
  }
  