# CachedMessageExtensions Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.cachedmessageextensions/)

## Compare(CachedMessage, StreamSequenceToken) {#compare-this-orleans-providers-streams-common-cachedmessage-orleans-streams-stre-b46d2ea0}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.cachedmessageextensions/methods/compare-this-orleans-providers-streams-common-cachedmessage-orleans-streams-stre-b46d2ea0/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Common/PooledCache/CachedMessage.cs#L58-L60)

```csharp
public static int Compare(this ref CachedMessage cachedMessage, StreamSequenceToken token)
```

Compares the specified cached message.

### Parameters

- `cachedMessage` (`CachedMessage`): The cached message.
- `token` (`StreamSequenceToken`): The token.

### Returns

A value indicating the relative order of the token to the cached message.

## CompareStreamId(CachedMessage, StreamId) {#comparestreamid-this-orleans-providers-streams-common-cachedmessage-orleans-runt-53c8a5f7}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.cachedmessageextensions/methods/comparestreamid-this-orleans-providers-streams-common-cachedmessage-orleans-runt-53c8a5f7/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Common/PooledCache/CachedMessage.cs#L69)

```csharp
public static bool CompareStreamId(this ref CachedMessage cachedMessage, StreamId streamId)
```

Compares the stream identifier of a cached message.

### Parameters

- `cachedMessage` (`CachedMessage`): The cached message.
- `streamId` (`StreamId`): The stream identifier.

### Returns

`true` if streamId is equal to the [CachedMessage](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.cachedmessage/) value; otherwise `false`.