Hook.Closeable (Apache Calcite API)

All Superinterfaces:

java.lang.AutoCloseable

Enclosing class:

Hook
```
public static interface Hook.Closeable
extends java.lang.AutoCloseable
```
Removes a Hook after use.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static Hook.Closeable EMPTY
  Closeable that does nothing.
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void close()

- Field Detail
  - EMPTY
```
static final Hook.Closeable EMPTY
```
    Closeable that does nothing.
- Method Detail
  - close
```
void close()
```
    Specified by:
    
    close in interface java.lang.AutoCloseable