Files
scylladb/streaming/stream_summary.hh
2015-06-18 14:55:07 +08:00

105 lines
3.3 KiB
C++

/*
* 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.
*
* Modified by Cloudius Systems.
* Copyright 2015 Cloudius Systems.
*/
#pragma once
#include "utils/UUID.hh"
namespace streaming {
/**
* Summary of streaming.
*/
class stream_summary {
public:
using UUID = utils::UUID;
UUID cf_id;
/**
* Number of files to transfer. Can be 0 if nothing to transfer for some streaming request.
*/
int files;
long total_size;
stream_summary(UUID _cf_id, int _files, long _total_size)
: cf_id (_cf_id)
, files(_files)
, total_size(_total_size) {
}
#if 0
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
StreamSummary summary = (StreamSummary) o;
return files == summary.files && totalSize == summary.totalSize && cfId.equals(summary.cfId);
}
@Override
public int hashCode()
{
return Objects.hashCode(cfId, files, totalSize);
}
@Override
public String toString()
{
final StringBuilder sb = new StringBuilder("StreamSummary{");
sb.append("path=").append(cfId);
sb.append(", files=").append(files);
sb.append(", totalSize=").append(totalSize);
sb.append('}');
return sb.toString();
}
public static class StreamSummarySerializer implements IVersionedSerializer<StreamSummary>
{
// arbitrary version is fine for UUIDSerializer for now...
public void serialize(StreamSummary summary, DataOutputPlus out, int version) throws IOException
{
UUIDSerializer.serializer.serialize(summary.cfId, out, MessagingService.current_version);
out.writeInt(summary.files);
out.writeLong(summary.totalSize);
}
public StreamSummary deserialize(DataInput in, int version) throws IOException
{
UUID cfId = UUIDSerializer.serializer.deserialize(in, MessagingService.current_version);
int files = in.readInt();
long totalSize = in.readLong();
return new StreamSummary(cfId, files, totalSize);
}
public long serializedSize(StreamSummary summary, int version)
{
long size = UUIDSerializer.serializer.serializedSize(summary.cfId, MessagingService.current_version);
size += TypeSizes.NATIVE.sizeof(summary.files);
size += TypeSizes.NATIVE.sizeof(summary.totalSize);
return size;
}
}
#endif
};
} // namespace streaming