InheritableThreadLocalStack (TrueZIP Kernel 7.6 API)

TrueZIP Kernel 7.6

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java.lang.Object
- de.schlichtherle.truezip.util.InheritableThreadLocalStack<T>

Type Parameters:
T - The type of the elements in the inheritable thread local stack.
```
@ThreadSafe
public final class InheritableThreadLocalStack<T>
extends Object
```
An inheritable thread local stack of elements. This class works pretty much like a Stack, except that each call is forwarded to a private InheritableThreadLocal object.
Whenever a child thread gets started, it will share the same top level element of the parent's inheritable thread local stack unless the parent's inheritable thread local stack is empty.

Since:

TrueZIP 7.5

Author:

Christian Schlichtherle

Constructor Summary

Constructors
Constructor and Description

InheritableThreadLocalStack()

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`isEmpty()`
`T`	`peek()`
`T`	`peekOrElse(T elze)` Returns the top element on this stack unless it's `null`, in which case `elze` gets returned.
`T`	`pop()`
`void`	`popIf(T expected)` Pops the top element off this stack if its identical to the given element.
`T`	`push(T element)` Pushes the given element onto this stack.

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

- Constructor Detail
  - InheritableThreadLocalStack
```
public InheritableThreadLocalStack()
```
- Method Detail
  - isEmpty
```
public boolean isEmpty()
```
  - peek
```
@Nullable
public T peek()
```
  - peekOrElse
```
@Nullable
public T peekOrElse(@Nullable
                    T elze)
```
    Returns the top element on this stack unless it's null, in which case elze gets returned.
    
    Parameters:
    elze - The default element.
    
    Returns:
    Returns the top element on this stack unless it's null, in which case elze gets returned.
  - pop
```
@Nullable
public T pop()
```
  - popIf
```
public void popIf(@Nullable
         T expected)
```
    Pops the top element off this stack if its identical to the given element.
    
    Parameters:
    expected - The expected top element on this stack.
    
    Throws:
    
    IllegalStateException - If the given element is not the top element on this stack.
  - push
```
@Nullable
public T push(@Nullable
              T element)
```
    Pushes the given element onto this stack.
    
    Parameters:
    element - The element to push onto this stack.
    
    Returns:
    element

TrueZIP Kernel 7.6

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