cn.sliew.milky.thread

Class ThreadContextStack.EmptyThreadContextStack

java.lang.Object

java.util.AbstractCollection<String>

cn.sliew.milky.thread.ThreadContextStack.EmptyThreadContextStack

All Implemented Interfaces:

ThreadContextStack, Serializable, Iterable<String>, Collection<String>

Enclosing interface:

ThreadContextStack

public static class ThreadContextStack.EmptyThreadContextStack
extends AbstractCollection<String>
implements ThreadContextStack

An empty read-only ThreadContextStack.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface cn.sliew.milky.thread.ThreadContextStack

ThreadContextStack.EmptyIterator<E>, ThreadContextStack.EmptyThreadContextStack

Constructor Summary

Constructors

Constructor and Description
EmptyThreadContextStack()

Method Summary

Modifier and Type	Method and Description
boolean	add(String e)
boolean	addAll(Collection<? extends String> c)
List<String>	asList() Returns all the elements in the stack in a List.
boolean	containsAll(Collection<?> c)
ThreadContextStack	copy() Returns a copy of the ContextStack.
boolean	equals(Object o)
int	getDepth() Returns the number of elements in the stack.
ThreadContextStack	getImmutableStackOrNull() Returns a ContextStack with the same contents as this ContextStack or null.
int	hashCode()
Iterator<String>	iterator()
String	peek() Returns the element at the top of the stack without removing it or null if the stack is empty.
String	pop() Returns the element at the top of the stack.
ThreadContext.StoredContext	preserveContext() preserve thread context map and set default context
void	push(String message) Pushes an element onto the stack.
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
ThreadContext.StoredContext	storeContext() preserve thread context map without default context
<T> T[]	toArray(T[] a)
void	trim(int depth) Trims elements from the end of the stack.

Methods inherited from class java.util.AbstractCollection

clear, contains, isEmpty, remove, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

clear, contains, isEmpty, parallelStream, remove, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

EmptyThreadContextStack

public EmptyThreadContextStack()

Method Detail

preserveContext

public ThreadContext.StoredContext preserveContext()

Description copied from interface: ThreadContextStack

preserve thread context map and set default context

Specified by:

preserveContext in interface ThreadContextStack

storeContext

public ThreadContext.StoredContext storeContext()

Description copied from interface: ThreadContextStack

preserve thread context map without default context

Specified by:

storeContext in interface ThreadContextStack

pop

public String pop()

Description copied from interface: ThreadContextStack

Returns the element at the top of the stack.

Specified by:

pop in interface ThreadContextStack

Returns:

The element at the top of the stack.

peek

public String peek()

Description copied from interface: ThreadContextStack

Returns the element at the top of the stack without removing it or null if the stack is empty.

Specified by:

peek in interface ThreadContextStack

Returns:

the element at the top of the stack or null if the stack is empty.

push

public void push(String message)

Description copied from interface: ThreadContextStack

Pushes an element onto the stack.

Specified by:

push in interface ThreadContextStack

Parameters:

message - The element to add.

getDepth

public int getDepth()

Description copied from interface: ThreadContextStack

Returns the number of elements in the stack.

Specified by:

getDepth in interface ThreadContextStack

Returns:

the number of elements in the stack.

asList

public List<String> asList()

Description copied from interface: ThreadContextStack

Returns all the elements in the stack in a List.

Specified by:

asList in interface ThreadContextStack

Returns:

all the elements in the stack in a List.

trim

public void trim(int depth)

Description copied from interface: ThreadContextStack

Trims elements from the end of the stack.

Specified by:

trim in interface ThreadContextStack

Parameters:

depth - The maximum number of items in the stack to keep.

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<String>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<String>

Overrides:

hashCode in class Object

copy

public ThreadContextStack copy()

Description copied from interface: ThreadContextStack

Returns a copy of the ContextStack.

Specified by:

copy in interface ThreadContextStack

Returns:

a copy of the ContextStack.

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<String>

Overrides:

toArray in class AbstractCollection<String>

add

public boolean add(String e)

Specified by:

add in interface Collection<String>

Overrides:

add in class AbstractCollection<String>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<String>

Overrides:

containsAll in class AbstractCollection<String>

addAll

public boolean addAll(Collection<? extends String> c)

Specified by:

addAll in interface Collection<String>

Overrides:

addAll in class AbstractCollection<String>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<String>

Overrides:

removeAll in class AbstractCollection<String>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<String>

Overrides:

retainAll in class AbstractCollection<String>

iterator

public Iterator<String> iterator()

Specified by:

iterator in interface Iterable<String>

Specified by:

iterator in interface Collection<String>

Specified by:

iterator in class AbstractCollection<String>

size

public int size()

Specified by:

size in interface Collection<String>

Specified by:

size in class AbstractCollection<String>

getImmutableStackOrNull

public ThreadContextStack getImmutableStackOrNull()

Description copied from interface: ThreadContextStack

Returns a ContextStack with the same contents as this ContextStack or null. Attempts to modify the returned stack may or may not throw an exception, but will not affect the contents of this ContextStack.

Specified by:

getImmutableStackOrNull in interface ThreadContextStack

Returns:

a ContextStack with the same contents as this ContextStack or null.