Closer (Apache Calcite API)

java.lang.Object
- org.apache.calcite.util.Closer

All Implemented Interfaces:

java.lang.AutoCloseable
```
public final class Closer
extends java.lang.Object
implements java.lang.AutoCloseable
```
Helper that holds onto AutoCloseable resources and releases them when its #close method is called.
Similar to com.google.common.io.Closer but can deal with AutoCloseable, and doesn't throw IOException.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private java.util.List<java.lang.AutoCloseable> list
- Constructor Summary
  
  Constructors
  Constructor Description
  
  Closer()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  <E extends java.lang.AutoCloseable> E add(E e)
  Registers a resource.
  
  void close()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

list

private final java.util.List<java.lang.AutoCloseable> list

Constructor Detail
- Closer
```
public Closer()
```

Method Detail
- add
```
public <E extends java.lang.AutoCloseable> E add(E e)
```
  Registers a resource.
- close
```
public void close()
```
  Specified by:
  
  close in interface java.lang.AutoCloseable