public IList<string> SelectShardIds(ShardResolutionStrategyData srsd)
{
if (srsd.EntityType == typeof(User))
return new[] { "Users" };
if (srsd.EntityType == typeof(Post))
return new[] { "Post" };
throw new ArgumentException("Cannot get shard id for '" + srsd.EntityType + "' because it is not a User or Post");
}
public IList<string> SelectShardIds(ShardResolutionStrategyData srsd)
{
if (srsd.EntityType == typeof (User))
return new[] {"Users"};
if (srsd.EntityType == typeof (Blog))
return new[] {"Blogs"};
if (srsd.EntityType == typeof (Post))
{
if (srsd.Key == null) // general query
return Enumerable.Range(0, numberOfShardsForPosts).Select(i => "Posts #" + (i + 1)).ToArray();
// we can optimize better, since the key has the shard id
// key structure is 'posts' / 'shard id' / 'post id'
var parts = srsd.Key.Split(new[]{'/'},StringSplitOptions.RemoveEmptyEntries);
return new[] { "Posts #" + parts[1] };
}
throw new ArgumentException("Cannot get shard id for '" + srsd.EntityType +
"' because it is not a User, Blog or Post");
}
/// <summary>
/// Selects the shard ids appropriate for the given data
/// </summary>
public IList<string> SelectShardIds(ShardResolutionStrategyData srsd)
{
//will force it to use all shards
return null;
}
/// <summary>
/// Selects the shard ids appropriate for the given data
/// </summary>
public IList <string> SelectShardIds(ShardResolutionStrategyData srsd)
{
//will force it to use all shards
return(null);
}