DecoderContext (mongo-java-driver 3.12.10 API)乐学网一站式学习平台

java.lang.Object
- org.bson.codecs.DecoderContext

```
public final class DecoderContext
extends Object
```
The context for decoding values to BSON.

Since:

3.0

See Also:

Decoder

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class DecoderContext.Builder
A builder for DecoderContext instances.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static DecoderContext.Builder`	`builder()`	Create a builder.
`<T> T`	`decodeWithChildContext(Decoder<T> decoder, BsonReader reader)`	Creates a child context and then deserializes using the reader.
`boolean`	`hasCheckedDiscriminator()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - hasCheckedDiscriminator
```
public boolean hasCheckedDiscriminator()
```
    Returns:
    
    true if the discriminator has been checked
  - builder
```
public static DecoderContext.Builder builder()
```
    Create a builder.
    
    Returns:
    
    the builder
  - decodeWithChildContext
```
public <T> T decodeWithChildContext(Decoder<T> decoder,
                                    BsonReader reader)
```
    Creates a child context and then deserializes using the reader.
    
    Type Parameters:
    
    T - the type of the decoder
    
    Parameters:
    
    decoder - the decoder to decode with
    
    reader - the reader to decode to
    
    Returns:
    
    the decoded value
    
    Since:
    
    3.5