/* * 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); } }