/// <summary>
/// Build a single index asynchronously
/// </summary>
/// <param name="indexInstance">An activated AbstractIndexCreationTask instance</param>
/// <param name="progressCallBack">A callback we can use to report on the progress of a batch job; default is null</param>
/// <returns>A task containing an IndexBuildResult report for this specific index</returns>
public Task<IndexBuildResult> BuildIndexAsync(AbstractIndexCreationTask indexInstance, Action<IndexBuildResult> progressCallBack = null)
{
return Task.Factory.StartNew(() => indexInstance.Execute(_documentStore))
.ContinueWith(result =>
{
var indexBuildResult = new IndexBuildResult()
{IndexName = indexInstance.IndexName, ConnectionString = _documentStore.Identifier};
if (result.IsCompleted && result.Exception == null)
{
indexBuildResult.Result = BuildResult.Created;
}
else if (result.IsCanceled)
{
indexBuildResult.Result = BuildResult.Cancelled;
}
else
{
indexBuildResult.Result = BuildResult.Failed;
indexBuildResult.BuildException = result.Exception != null ? result.Exception.Flatten() : null;
}
if (progressCallBack != null)
{
progressCallBack.Invoke(indexBuildResult);
}
return indexBuildResult;
});
}
public void StopIndexing(Action<IndexBuildResult> progressCallBack = null)
{
var indexBuildResult = new IndexBuildResult() { IndexName = "StopIndexing", ConnectionString = _documentStore.Identifier };
if (string.IsNullOrEmpty(_connectionString) || string.IsNullOrWhiteSpace(_connectionString))
{
if (progressCallBack != null)
{
indexBuildResult.Result = BuildResult.Cancelled;
indexBuildResult.BuildException = new Exception("No connection string provided");
progressCallBack.Invoke(indexBuildResult);
}
return;
}
//If RavenDB finds any connection string errors it will throw them here, and we will pass that back to the client as is.
var connectionStringOptions = RavenConnectionStringParser.ParseNetworkedDbOptions(_connectionString);
try
{
using (var webClient = new WebClient())
{
if (connectionStringOptions.Credentials == null)
{
webClient.UseDefaultCredentials = true;
}
else
{
webClient.Credentials = connectionStringOptions.Credentials;
}
var result = webClient.UploadString(new Uri(new Uri(_documentStore.Url), "/admin/stopindexing"), "POST", "");
indexBuildResult.Result = BuildResult.Created;
if (progressCallBack != null)
{
progressCallBack.Invoke(indexBuildResult);
}
}
}
catch (Exception e)
{
if (progressCallBack != null)
{
indexBuildResult.Result = BuildResult.Failed;
indexBuildResult.BuildException = e;
progressCallBack.Invoke(indexBuildResult);
}
}
}
public Task<IndexBuildResult> DropIndexAsync(string indexName, Action<IndexBuildResult> progressCallBack)
{
return Task.Factory.StartNew(() => _documentStore.DatabaseCommands.DeleteIndex(indexName))
.ContinueWith(result =>
{
var indexBuildResult = new IndexBuildResult() { IndexName = indexName, ConnectionString = _documentStore.Identifier };
if (result.IsCompleted && result.Exception == null)
{
indexBuildResult.Result = BuildResult.Deleted;
}
else if (result.IsCanceled)
{
indexBuildResult.Result = BuildResult.Cancelled;
}
else
{
indexBuildResult.Result = BuildResult.Failed;
indexBuildResult.BuildException = result.Exception != null ? result.Exception.Flatten() : null;
}
if (progressCallBack != null)
{
progressCallBack.Invoke(indexBuildResult);
}
return indexBuildResult;
});
}
