public async Task RunAsync()
{
var db = await client.CreateDatabaseIfNotExistsAsync(new Database()
{
Id = jobdb
});
await client.CreateDocumentCollectionIfNotExistsAsync(db.Resource.SelfLink, new DocumentCollection()
{
Id = jobColl
});
while (true)
{
// Check if a migration doc got inserted in the last hour
if (currentMigrationId == null)
{
var option = new FeedOptions {
EnableCrossPartitionQuery = true
};
var configDocs = client.CreateDocumentQuery <MigrationConfig>(UriFactory.CreateDocumentCollectionUri(jobdb, jobColl),
string.Format("select * from c where NOT c.completed"), option).AsEnumerable <MigrationConfig>().ToList();
if (configDocs.Count == 0)
{
Console.WriteLine("No job for process: " + Process.GetCurrentProcess().Id);
await Task.Delay(5000);
continue;
}
var config = configDocs.First();
currentMigrationId = config.Id;
changeFeedProcessorHost = new ChangeFeedProcessorHost(config);
await changeFeedProcessorHost.StartAsync();
}
else
{
var option = new FeedOptions {
EnableCrossPartitionQuery = true
};
var configDocs = client.CreateDocumentQuery <MigrationConfig>(UriFactory.CreateDocumentCollectionUri(jobdb, jobColl),
string.Format("select * from c where c.id = \"{0}\"", currentMigrationId), option).AsEnumerable <MigrationConfig>().ToList();
if (configDocs.Count == 0 || configDocs.First().Completed)
{
Console.WriteLine("Current Migration is completed or deleted, closing migration " + Process.GetCurrentProcess().Id);
this.currentMigrationId = null;
await changeFeedProcessorHost.CloseAsync();
this.changeFeedProcessorHost = null;
continue;
}
await Task.Delay(5000);
}
}
}
public async Task RunAsync()
{
Database db = await client.CreateDatabaseIfNotExistsAsync(jobdb);
Container container = await db.CreateContainerIfNotExistsAsync(new ContainerProperties(jobColl, "/_partitionKey"));
while (true)
{
// Check if a migration doc got inserted in the last hour
if (currentMigrationId == null)
{
var configDocs = container.GetItemQueryIterator <MigrationConfig>("select * from c where NOT c.completed").ReadNextAsync().Result.AsEnumerable <MigrationConfig>().ToList();
if (configDocs.Count == 0)
{
Console.WriteLine("No job for process: " + Process.GetCurrentProcess().Id);
await Task.Delay(5000);
continue;
}
var config = configDocs.First();
currentMigrationId = config.Id;
changeFeedProcessorHost = new ChangeFeedProcessorHost(config);
await changeFeedProcessorHost.StartAsync();
}
else
{
var configDocs = container.GetItemQueryIterator <MigrationConfig>(string.Format("select * from c where c.id = \"{0}\"", currentMigrationId)).ReadNextAsync().Result.AsEnumerable <MigrationConfig>().ToList();
if (configDocs.Count == 0 || configDocs.First().Completed)
{
Console.WriteLine("Current Migration is completed or deleted, closing migration " + Process.GetCurrentProcess().Id);
this.currentMigrationId = null;
await changeFeedProcessorHost.CloseAsync();
this.changeFeedProcessorHost = null;
continue;
}
await Task.Delay(5000);
}
}
}
