/// <summary>
/// Allows migration of a collection of documents one document at a time.
/// Also allows additional commands to be batched with the changes to each document.
/// </summary>
/// <param name="tag">The name of the collection.</param>
/// <param name="migrate">The func to migrate a single document and metadata and return additional commands to run in the same batch.</param>
/// <param name="pageSize">The page size for batching the documents.</param>
public void CollectionWithAdditionalCommands(string tag, Func <RavenJObject, RavenJObject, IEnumerable <ICommandData> > migrate, int pageSize = 128)
{
QueryHeaderInformation headerInfo;
var enumerator = DocumentStore.DatabaseCommands.StreamQuery("Raven/DocumentsByEntityName",
new IndexQuery
{
Query = "Tag:" + tag,
},
out headerInfo);
var actions = new RavenActions();
using (enumerator)
while (enumerator.MoveNext())
{
var entity = enumerator.Current;
var metadata = entity.Value <RavenJObject>("@metadata");
var actionCommands = migrate(entity, metadata) ?? new List <ICommandData>();
actions.AdditionalMigrationCommands.AddRange(actionCommands);
actions.MigrationCommands.Add(new PutCommandData
{
Document = entity,
Metadata = metadata,
Key = metadata.Value <string>("@id"),
});
if (actions.MigrationCommands.Count == pageSize)
{
DocumentStore.DatabaseCommands.Batch(actions.AllCommands());
Logger.WriteInformation("Updated {0} documents", actions.MigrationCommands.Count);
actions.ClearMigrationCommands();
}
}
var commands = actions.AllCommands();
if (commands.Count > 0)
{
DocumentStore.DatabaseCommands.Batch(commands);
}
Logger.WriteInformation("Updated {0} documents", actions.MigrationCommands.Count);
}
/// <summary>
/// Allows migration of a collection of documents one document at a time.
/// Also allows additional commands to be batched with the changes to each document.
/// </summary>
/// <param name="tag">The name of the collection.</param>
/// <param name="migrate">The func to migrate a single document and metadata and return additional commands to run in the same batch.</param>
/// <param name="pageSize">The page size for batching the documents.</param>
public void CollectionWithAdditionalCommands(string tag, Func<RavenJObject, RavenJObject, IEnumerable<ICommandData>> migrate, int pageSize = 128)
{
QueryHeaderInformation headerInfo;
var enumerator = DocumentStore.DatabaseCommands.StreamQuery("Raven/DocumentsByEntityName",
new IndexQuery
{
Query = "Tag:" + tag,
},
out headerInfo);
var actions = new RavenActions();
using (enumerator)
while (enumerator.MoveNext())
{
var entity = enumerator.Current;
var metadata = entity.Value<RavenJObject>("@metadata");
var actionCommands = migrate(entity, metadata) ?? new List<ICommandData>();
actions.AdditionalMigrationCommands.AddRange(actionCommands);
actions.MigrationCommands.Add(new PutCommandData
{
Document = entity,
Metadata = metadata,
Key = metadata.Value<string>("@id"),
});
if (actions.MigrationCommands.Count == pageSize)
{
DocumentStore.DatabaseCommands.Batch(actions.AllCommands());
actions.ClearMigrationCommands();
}
}
if (actions.AllCommands().Count > 0)
DocumentStore.DatabaseCommands.Batch(actions.AllCommands());
}
