| /* |
| * 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.db; |
| |
| import java.io.IOException; |
| |
| import org.apache.cassandra.io.IVersionedSerializer; |
| import org.apache.cassandra.io.util.DataInputPlus; |
| import org.apache.cassandra.io.util.DataOutputPlus; |
| import org.apache.cassandra.net.MessageOut; |
| import org.apache.cassandra.net.MessagingService; |
| |
| /** |
| * A truncate operation descriptor |
| */ |
| public class Truncation |
| { |
| public static final IVersionedSerializer<Truncation> serializer = new TruncationSerializer(); |
| |
| public final String keyspace; |
| public final String columnFamily; |
| |
| public Truncation(String keyspace, String columnFamily) |
| { |
| this.keyspace = keyspace; |
| this.columnFamily = columnFamily; |
| } |
| |
| public MessageOut<Truncation> createMessage() |
| { |
| return new MessageOut<Truncation>(MessagingService.Verb.TRUNCATE, this, serializer); |
| } |
| |
| public String toString() |
| { |
| return "Truncation(" + "keyspace='" + keyspace + '\'' + ", cf='" + columnFamily + "\')"; |
| } |
| } |
| |
| class TruncationSerializer implements IVersionedSerializer<Truncation> |
| { |
| public void serialize(Truncation t, DataOutputPlus out, int version) throws IOException |
| { |
| out.writeUTF(t.keyspace); |
| out.writeUTF(t.columnFamily); |
| } |
| |
| public Truncation deserialize(DataInputPlus in, int version) throws IOException |
| { |
| String keyspace = in.readUTF(); |
| String columnFamily = in.readUTF(); |
| return new Truncation(keyspace, columnFamily); |
| } |
| |
| public long serializedSize(Truncation truncation, int version) |
| { |
| return TypeSizes.sizeof(truncation.keyspace) + TypeSizes.sizeof(truncation.columnFamily); |
| } |
| } |