CloseableGroup

java.lang.Object
- org.apache.iceberg.io.CloseableGroup

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

ArrowReader, AvroIterable, CloseableIterable.ConcatCloseableIterable, ManifestReader, ParallelIterable, ParquetIterable, ParquetReader, SortedMerge, VectorizedParquetReader, VectorizedTableScanIterable
```
public class CloseableGroup
extends java.lang.Object
implements java.io.Closeable
```
This class acts as a helper for handling the closure of multiple resource. It can be used for either inheritance or composition. To use it, register resources to be closed via the add() calls, and call the corresponding close method when needed.
It can take both closeable and autocloseable objects, and handle closeable as autocloseable and guarantee close idempotency by ensuring that each resource will be closed once even with concurrent close calls. It will also wrap checked non-IO exceptions into runtime exceptions.
Users can choose to suppress close failure with this class. By default such failures are not suppressed.

Constructor Summary

Constructors
Constructor Description

CloseableGroup()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addCloseable(java.io.Closeable closeable)`	Register a closeable to be managed by this class.
`void`	`addCloseable(java.lang.AutoCloseable autoCloseable)`	Register an autocloseables to be managed by this class.
`void`	`close()`	Close all the registered resources.
`void`	`setSuppressCloseFailure(boolean shouldSuppress)`	Whether to suppress failure when any of the closeable this class tracks throws exception during closing.

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

- Constructor Detail
  - CloseableGroup
```
public CloseableGroup()
```
- Method Detail
  - addCloseable
```
public void addCloseable(java.io.Closeable closeable)
```
    Register a closeable to be managed by this class.
  - addCloseable
```
public void addCloseable(java.lang.AutoCloseable autoCloseable)
```
    Register an autocloseables to be managed by this class. It will be handled as a closeable object.
  - setSuppressCloseFailure
```
public void setSuppressCloseFailure(boolean shouldSuppress)
```
    Whether to suppress failure when any of the closeable this class tracks throws exception during closing. This could be helpful to ensure the close method of all resources to be called.
    
    Parameters:
    
    shouldSuppress - true if user wants to suppress close failures
  - close
```
public void close()
           throws java.io.IOException
```
    Close all the registered resources. Close method of each resource will only be called once. Checked exception from AutoCloseable will be wrapped to runtime exception.
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
    
    Throws:
    
    java.io.IOException