# Codec_HashBasedPlacement Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-hashbasedplacement/)

## Deserialize(Reader<TReaderInput>, HashBasedPlacement) {#deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-runt-c1fdceeb}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-hashbasedplacement/methods/deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-runt-c1fdceeb/)

```csharp
public void Deserialize<TReaderInput>(ref Reader<TReaderInput> reader, HashBasedPlacement instance)
```

### Parameters

- `reader` (`Reader<TReaderInput>`)
- `instance` (`HashBasedPlacement`)

## ReadValue(Reader&lt;TReaderInput&gt;, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-a11c2bee}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-hashbasedplacement/methods/readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-a11c2bee/)

```csharp
public HashBasedPlacement ReadValue<TReaderInput>(ref Reader<TReaderInput> reader, Field field)
```

Reads a value.

### Parameters

- `reader` (`Reader<TReaderInput>`): The reader.
- `field` (`Field`): The field.

### Returns

The value.

## Serialize(Writer&lt;TBufferWriter&gt;, HashBasedPlacement) {#serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-runti-05a6582c}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-hashbasedplacement/methods/serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-runti-05a6582c/)

```csharp
public void Serialize<TBufferWriter>(ref Writer<TBufferWriter> writer, HashBasedPlacement instance)
```

### Parameters

- `writer` (`Writer<TBufferWriter>`)
- `instance` (`HashBasedPlacement`)

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, HashBasedPlacement) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-61d8d49c}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-hashbasedplacement/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-61d8d49c/)

```csharp
public void WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, Type expectedType, HashBasedPlacement value)
```

Writes a field.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `fieldIdDelta` (`uint`): The field identifier delta.
- `expectedType` (`Type`): The expected type.
- `value` (`HashBasedPlacement`): The value.