EnvironmentFairy (Apache Calcite API)

java.lang.Object
- org.apache.calcite.chinook.EnvironmentFairy

```
public class EnvironmentFairy
extends java.lang.Object
```
Fairy simulates environment around Calcite.
An example property is the user on whose behalf Calcite is running the current query. Other properties can change from one query to another. Properties are held in thread-locals, so it is safe to set a property then read it from the same thread.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  static class EnvironmentFairy.User
  Who is emulated to being logged in?
- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private static java.lang.ThreadLocal<EnvironmentFairy.User> USER
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  private EnvironmentFairy()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static EnvironmentFairy.User getUser()
  
  static void login(EnvironmentFairy.User user)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

USER

private static final java.lang.ThreadLocal<EnvironmentFairy.User> USER

Constructor Detail
- EnvironmentFairy
```
private EnvironmentFairy()
```

Method Detail

getUser

public static EnvironmentFairy.User getUser()

login

public static void login(EnvironmentFairy.User user)