# JournalBufferReader Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalbufferreader/)

## JournalBufferReader(ArcBufferReader, bool) {#constructor-orleans-serialization-buffers-arcbufferreader-bool-3f3ff732}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalbufferreader/constructors/constructor-orleans-serialization-buffers-arcbufferreader-bool-3f3ff732/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Journaling/JournalBufferReader.cs#L20-L22)

```csharp
public JournalBufferReader(ArcBufferReader reader, bool isCompleted)
```

Initializes a new instance of the [JournalBufferReader](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalbufferreader/) struct.

### Parameters

- `reader` (`ArcBufferReader`): The underlying buffer reader.
- `isCompleted` (`bool`): A value indicating whether no more data will be appended to this buffer.