| /** |
| * 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.atlas.repository.graphdb.titan1.serializer; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| import com.thinkaurelius.titan.core.attribute.AttributeSerializer; |
| import com.thinkaurelius.titan.diskstorage.ScanBuffer; |
| import com.thinkaurelius.titan.diskstorage.WriteBuffer; |
| /** |
| * 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); |
| } |
| |
| } |