CompoundClosableAllocation (Apache Calcite API)

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

All Implemented Interfaces:

ClosableAllocation, ClosableAllocationOwner
```
public class CompoundClosableAllocation
extends java.lang.Object
implements ClosableAllocationOwner
```
CompoundClosableAllocation represents a collection of ClosableAllocations which share a common lifecycle. It guarantees that allocations are closed in the reverse order in which they were added.

Field Summary

Fields
Modifier and Type Field Description

protected java.util.List<ClosableAllocation> allocations
List of owned ClosableAllocation objects.

Constructor Summary

Constructors
Constructor Description

CompoundClosableAllocation()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addAllocation(ClosableAllocation allocation)`	Assigns ownership of a ClosableAllocation to this owner.
`void`	`closeAllocation()`	Closes this object.
`boolean`	`forgetAllocation(ClosableAllocation allocation)`	Forgets an allocation without closing it.
`boolean`	`hasAllocations()`

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

- Field Detail
  - allocations
```
protected java.util.List<ClosableAllocation> allocations
```
    List of owned ClosableAllocation objects.
- Constructor Detail
  - CompoundClosableAllocation
```
public CompoundClosableAllocation()
```
- Method Detail
  - addAllocation
```
public void addAllocation(ClosableAllocation allocation)
```
    Description copied from interface: ClosableAllocationOwner
    
    Assigns ownership of a ClosableAllocation to this owner.
    
    Specified by:
    
    addAllocation in interface ClosableAllocationOwner
    
    Parameters:
    
    allocation - the ClosableAllocation to take over
  - closeAllocation
```
public void closeAllocation()
```
    Description copied from interface: ClosableAllocation
    
    Closes this object.
    
    Specified by:
    
    closeAllocation in interface ClosableAllocation
  - forgetAllocation
```
public boolean forgetAllocation(ClosableAllocation allocation)
```
    Forgets an allocation without closing it.
    
    Parameters:
    
    allocation - the allocation to forget
    
    Returns:
    
    whether the allocation was known
  - hasAllocations
```
public boolean hasAllocations()
```
    Returns:
    
    whether any allocations remain unclosed