| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.dataflow.common.data.marshalling; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| |
| public class DoubleSerializerDeserializer implements ISerializerDeserializer<Double> { |
| private static final long serialVersionUID = 1L; |
| |
| public static final DoubleSerializerDeserializer INSTANCE = new DoubleSerializerDeserializer(); |
| |
| private DoubleSerializerDeserializer() { |
| } |
| |
| @Override |
| public Double deserialize(DataInput in) throws HyracksDataException { |
| try { |
| return in.readDouble(); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| @Override |
| public void serialize(Double instance, DataOutput out) throws HyracksDataException { |
| try { |
| out.writeDouble(instance.doubleValue()); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| public static double getDouble(byte[] bytes, int offset) { |
| return Double.longBitsToDouble(getLongBits(bytes, offset)); |
| } |
| |
| public static int getIntBits(byte[] bytes, int offset) { |
| return IntegerSerializerDeserializer.getInt(bytes, offset); |
| } |
| |
| public static long getLongBits(byte[] bytes, int offset) { |
| return Integer64SerializerDeserializer.getLong(bytes, offset); |
| } |
| |
| |
| } |