/// <summary>
/// Initializes a new instance of the <see cref="AzureRangeShard"/> class.
/// </summary>
/// <param name="rangeShard">The range shard.</param>
/// <param name="shardSetName">Name of the shard set.</param>
public AzureRangeShard(RangeShard rangeShard, string shardSetName)
{
Catalog = rangeShard.Catalog;
MaxRange = rangeShard.HighDistributionKey;
ServerInstanceName = rangeShard.ServerInstanceName;
ShardSetName = shardSetName;
}
private ShardMap CreateSampleShardMap()
{
var map = new ShardMap
{
ShardMapID = 1
};
var shard =
new RangeShard
{
LowDistributionKey = -9223372036854775808,
HighDistributionKey = -5534023222112865486
};
map.Shards.Add(shard);
shard =
new RangeShard
{
LowDistributionKey = -5534023222112865485,
HighDistributionKey = -1844674407370955164
};
map.Shards.Add(shard);
shard =
new RangeShard
{
LowDistributionKey = -1844674407370955163,
HighDistributionKey = 1844674407370955158
};
map.Shards.Add(shard);
shard =
new RangeShard
{
LowDistributionKey = 1844674407370955159,
HighDistributionKey = 5534023222112865480
};
map.Shards.Add(shard);
shard =
new RangeShard
{
LowDistributionKey = 5534023222112865481,
HighDistributionKey = 9223372036854775807
};
map.Shards.Add(shard);
return(map);
}
private static RangeShard CreateShard(string catalog)
{
var server = ConfigurationManager.AppSettings["TestSQLServer"] ?? @"(localdb)\v11.0";
var shard = new RangeShard
{
Catalog = catalog,
HighDistributionKey = 100,
LowDistributionKey = 0,
ServerInstanceName = server,
ShardID = 1
};
return(shard);
}
/// <summary>
/// Removes the shard from the live shard map.
/// </summary>
/// <param name="shardSetName">Name of the shard set.</param>
/// <param name="rangeShard">The shard.</param>
public override void RemoveShard(string shardSetName, RangeShard rangeShard)
{
DeleteAzureRangeShard(shardSetName, rangeShard.HighDistributionKey);
}
/// <summary>
/// Publishes the shard into the live shard map.
/// </summary>
/// <param name="shardSetName">Name of the shard set.</param>
/// <param name="rangeShard">The shard.</param>
public override void PublishShard(string shardSetName, RangeShard rangeShard)
{
SaveAzureRangeShard(shardSetName, rangeShard.HighDistributionKey, rangeShard.ServerInstanceName,
rangeShard.Catalog);
}