/*********************************************************************************************************************** * * Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu) * * 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 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 eu.stratosphere.api.common.typeutils.base; import java.io.IOException; import eu.stratosphere.api.common.typeutils.TypeSerializer; import eu.stratosphere.core.memory.DataInputView; import eu.stratosphere.core.memory.DataOutputView; import eu.stratosphere.types.DoubleValue; public class DoubleValueSerializer extends TypeSerializer<DoubleValue> { private static final long serialVersionUID = 1L; public static final DoubleValueSerializer INSTANCE = new DoubleValueSerializer(); @Override public boolean isImmutableType() { return false; } @Override public boolean isStateful() { return false; } @Override public DoubleValue createInstance() { return new DoubleValue(); } @Override public DoubleValue copy(DoubleValue from, DoubleValue reuse) { reuse.setValue(from.getValue()); return reuse; } @Override public int getLength() { return 8; } @Override public void serialize(DoubleValue record, DataOutputView target) throws IOException { record.write(target); } @Override public DoubleValue deserialize(DoubleValue reuse, DataInputView source) throws IOException { reuse.read(source); return reuse; } @Override public void copy(DataInputView source, DataOutputView target) throws IOException { target.writeDouble(source.readDouble()); } }