```
// collection: test
{
  ...
  Datetime: 43665.384931
  ...
}

```

```java
public Class POJO {
  @Field("ID")
  private String id;

  @Field("Datetime")
  private Date datetime; // Where can I implement a converter to cast double value from mongo to Java type Date here?
}

```

```java
mongoTemplate.findOne(new Query(), POJO.class, "test")

```

Where can I implement a converter to cast double value from mongo to Java type Date here?