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C# ReplicationStrategy.OriginsFromOtherDestination方法代码示例

本文整理汇总了C#中Raven.Bundles.Replication.Tasks.ReplicationStrategy.OriginsFromOtherDestination方法的典型用法代码示例。如果您正苦于以下问题:C# ReplicationStrategy.OriginsFromOtherDestination方法的具体用法?C# ReplicationStrategy.OriginsFromOtherDestination怎么用?C# ReplicationStrategy.OriginsFromOtherDestination使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Raven.Bundles.Replication.Tasks.ReplicationStrategy的用法示例。


在下文中一共展示了ReplicationStrategy.OriginsFromOtherDestination方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GetJsonDocuments

        private JsonDocumentsToReplicate GetJsonDocuments(SourceReplicationInformationWithBatchInformation destinationsReplicationInformationForSource, ReplicationStrategy destination, PrefetchingBehavior prefetchingBehavior, ReplicationStatisticsRecorder.ReplicationStatisticsRecorderScope scope)
        {
            var timeout = TimeSpan.FromSeconds(docDb.Configuration.Replication.FetchingFromDiskTimeoutInSeconds);
            var duration = Stopwatch.StartNew();
            var result = new JsonDocumentsToReplicate
            {
                LastEtag = Etag.Empty,
            };
            try
            {
                var destinationId = destinationsReplicationInformationForSource.ServerInstanceId.ToString();
                var maxNumberOfItemsToReceiveInSingleBatch = destinationsReplicationInformationForSource.MaxNumberOfItemsToReceiveInSingleBatch;

                docDb.TransactionalStorage.Batch(actions =>
                {
                    var lastEtag = destinationsReplicationInformationForSource.LastDocumentEtag;

                    int docsSinceLastReplEtag = 0;
                    List<JsonDocument> docsToReplicate;
                    List<JsonDocument> filteredDocsToReplicate;
                    result.LastEtag = lastEtag;

                    while (true)
                    {
                        docDb.WorkContext.CancellationToken.ThrowIfCancellationRequested();

                        docsToReplicate = GetDocsToReplicate(actions, prefetchingBehavior, result, maxNumberOfItemsToReceiveInSingleBatch);

                        filteredDocsToReplicate =
                            docsToReplicate
                                .Where(document =>
                                {
                                    var info = docDb.Documents.GetRecentTouchesFor(document.Key);
                                    if (info != null)
                                    {
                                        if (info.TouchedEtag.CompareTo(result.LastEtag) > 0)
                                        {
                                            log.Debug(
                                                "Will not replicate document '{0}' to '{1}' because the updates after etag {2} are related document touches",
                                                document.Key, destinationId, info.TouchedEtag);
                                            return false;
                                        }
                                    }

                                    string reason;
                                    return destination.FilterDocuments(destinationId, document.Key, document.Metadata, out reason) &&
                                           prefetchingBehavior.FilterDocuments(document);
                                })
                                .ToList();

                        docsSinceLastReplEtag += docsToReplicate.Count;
                        result.CountOfFilteredDocumentsWhichAreSystemDocuments +=
                            docsToReplicate.Count(doc => destination.IsSystemDocumentId(doc.Key));
                        result.CountOfFilteredDocumentsWhichOriginFromOtherDestinations +=
                            docsToReplicate.Count(doc => destination.OriginsFromOtherDestination(_transactionalStorageId, doc.Metadata) && !destination.IsSystemDocumentId(doc.Key));

                        if (docsToReplicate.Count > 0)
                        {
                            var lastDoc = docsToReplicate.Last();
                            Debug.Assert(lastDoc.Etag != null);
                            result.LastEtag = lastDoc.Etag;
                            if (lastDoc.LastModified.HasValue)
                                result.LastLastModified = lastDoc.LastModified.Value;
                        }

                        if (docsToReplicate.Count == 0 || filteredDocsToReplicate.Count != 0)
                        {
                            break;
                        }

                        log.Debug("All the docs were filtered, trying another batch from etag [>{0}]", result.LastEtag);

                        if (duration.Elapsed > timeout)
                            break;
                    }

                    log.Debug(() =>
                    {
                        if (docsSinceLastReplEtag == 0)
                            return string.Format("No documents to replicate to {0} - last replicated etag: {1}", destination,
                                lastEtag);

                        if (docsSinceLastReplEtag == filteredDocsToReplicate.Count)
                            return string.Format("Replicating {0} docs [>{1}] to {2}.",
                                docsSinceLastReplEtag,
                                lastEtag,
                                destination);

                        var diff = docsToReplicate.Except(filteredDocsToReplicate).Select(x => x.Key);
                        return string.Format("Replicating {1} docs (out of {0}) [>{4}] to {2}. [Not replicated: {3}]",
                            docsSinceLastReplEtag,
                            filteredDocsToReplicate.Count,
                            destination,
                            string.Join(", ", diff),
                            lastEtag);
                    });

                    scope.Record(new RavenJObject
                    {
                        {"StartEtag", lastEtag.ToString()},
//.........这里部分代码省略.........
开发者ID:IdanHaim,项目名称:ravendb,代码行数:101,代码来源:ReplicationTask.cs


注:本文中的Raven.Bundles.Replication.Tasks.ReplicationStrategy.OriginsFromOtherDestination方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。