| |
| |
| /* |
| * 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.cassandra.net; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import com.google.common.collect.Maps; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| import org.apache.cassandra.io.IVersionedSerializer; |
| import org.apache.cassandra.io.util.DataInputPlus; |
| import org.apache.cassandra.io.util.DataOutputPlus; |
| import org.apache.cassandra.utils.ByteArrayUtil; |
| |
| |
| class CustomParamsSerializer implements IVersionedSerializer<Map<String,byte[]>> |
| { |
| public static final CustomParamsSerializer serializer = new CustomParamsSerializer(); |
| |
| @Override |
| public void serialize(Map<String, byte[]> t, DataOutputPlus out, int version) throws IOException |
| { |
| out.writeUnsignedVInt(t.size()); |
| for (Map.Entry<String, byte[]> e : t.entrySet()) |
| { |
| out.writeUTF(e.getKey()); |
| ByteArrayUtil.writeWithVIntLength(e.getValue(), out); |
| } |
| } |
| |
| @Override |
| public long serializedSize(Map<String, byte[]> t, int version) |
| { |
| int size = TypeSizes.sizeofUnsignedVInt(t.size()); |
| for (Map.Entry<String,byte[]> e : t.entrySet()) |
| { |
| size += TypeSizes.sizeof(e.getKey()); |
| size += ByteArrayUtil.serializedSizeWithVIntLength(e.getValue()); |
| } |
| return size; |
| } |
| |
| @Override |
| public Map<String, byte[]> deserialize(DataInputPlus in, int version) throws IOException |
| { |
| int entries = (int) in.readUnsignedVInt(); |
| Map<String, byte[]> customParams = Maps.newHashMapWithExpectedSize(entries); |
| |
| for (int i = 0 ; i < entries ; ++i) |
| customParams.put(in.readUTF(), ByteArrayUtil.readWithVIntLength(in)); |
| |
| return customParams; |
| } |
| |
| } |