content: /*
   * 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.schema;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Collection;
  
  import org.apache.cassandra.db.Mutation;
  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;
  
  public class SchemaMutationsSerializer implements IVersionedSerializer<Collection<Mutation>>
  {
      public static final SchemaMutationsSerializer instance = new SchemaMutationsSerializer();
  
      public void serialize(Collection<Mutation> schema, DataOutputPlus out, int version) throws IOException
      {
          out.writeInt(schema.size());
          for (Mutation mutation : schema)
              Mutation.serializer.serialize(mutation, out, version);
      }
  
      public Collection<Mutation> deserialize(DataInputPlus in, int version) throws IOException
      {
          int count = in.readInt();
          Collection<Mutation> schema = new ArrayList<>(count);
  
          for (int i = 0; i < count; i++)
              schema.add(Mutation.serializer.deserialize(in, version));
  
          return schema;
      }
  
      public long serializedSize(Collection<Mutation> schema, int version)
      {
          int size = TypeSizes.sizeof(schema.size());
          for (Mutation mutation : schema)
              size += mutation.serializedSize(version);
          return size;
      }
  }
  