| /** |
| * 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.apex.malhar.lib.appdata.gpo; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.apex.malhar.lib.appdata.schemas.FieldsDescriptor; |
| import org.apache.commons.lang3.mutable.MutableInt; |
| |
| import com.google.common.collect.Lists; |
| |
| /** |
| * @since 3.1.0 |
| */ |
| |
| public class SerdeListGPOMutable implements Serde |
| { |
| public static final SerdeListGPOMutable INSTANCE = new SerdeListGPOMutable(); |
| |
| private GPOByteArrayList bytes = new GPOByteArrayList(); |
| |
| private SerdeListGPOMutable() |
| { |
| } |
| |
| @Override |
| public synchronized byte[] serializeObject(Object object) |
| { |
| @SuppressWarnings("unchecked") |
| List<GPOMutable> mutables = (List<GPOMutable>)object; |
| |
| if (mutables.isEmpty()) { |
| return GPOUtils.serializeInt(0); |
| } |
| |
| FieldsDescriptor fd = mutables.get(0).getFieldDescriptor(); |
| |
| bytes.add(SerdeFieldsDescriptor.INSTANCE.serializeObject(fd)); |
| |
| for (int index = 0; index < mutables.size(); index++) { |
| bytes.add(GPOUtils.serialize(mutables.get(index), bytes)); |
| } |
| |
| byte[] byteArray = bytes.toByteArray(); |
| bytes.clear(); |
| bytes.add(GPOUtils.serializeInt(byteArray.length)); |
| bytes.add(byteArray); |
| byteArray = bytes.toByteArray(); |
| bytes.clear(); |
| return byteArray; |
| } |
| |
| @Override |
| public synchronized Object deserializeObject(byte[] object, MutableInt offset) |
| { |
| int length = GPOUtils.deserializeInt(object, offset); |
| int startIndex = offset.intValue(); |
| |
| if (length == 0) { |
| return new ArrayList<GPOMutable>(); |
| } |
| |
| FieldsDescriptor fd = (FieldsDescriptor)SerdeFieldsDescriptor.INSTANCE.deserializeObject(object, offset); |
| |
| List<GPOMutable> mutables = Lists.newArrayList(); |
| while (startIndex + length > offset.intValue()) { |
| GPOMutable value = GPOUtils.deserialize(fd, object, offset); |
| mutables.add(value); |
| } |
| |
| return mutables; |
| } |
| } |