const classafConcurrent::SynchronizedList

sys::Obj
  afConcurrent::SynchronizedList

A List that provides fast reads and synchronised writes between threads, ensuring data integrity.

The list is stored in an AtomicRef through which all reads are made.

All write operations ( get, remove & clear ) are made via synchronized blocks ensuring no data is lost during race conditions. Writing makes a rw copy of the map and is thus a more expensive operation.

All values held in the list must be immutable.

add

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@Operator This add(Obj? val)

Add the specified item to the end of the list. Return this.

clear

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This clear()

Remove all key/value pairs from the map. Return this.

contains

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Bool contains(Obj? item)

Returns true if this list contains the specified item.

each

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Void each(|Obj?,Int c)

Call the specified function for every item in the list.

get

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@Operator Obj? get(Int index)

Returns the item at the specified index. A negative index may be used to access an index from the end of the list.

isEmpty

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Bool isEmpty()

Return true if size() == 0

list

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Obj?[] list

Gets or sets a read-only copy of the backing map.

listType

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const Type listType := sys::Obj?#

Used to parameterize the backing list.

lock

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const Synchronized lock

The lock object should you need to synchronize on the List.

make

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new make(ActorPool actorPool, |This? f := null)

Creates a SynchronizedMap with the given ActorPool.

remove

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Obj? remove(Obj item)

Removes the specified item from the list, returning the removed item. If the item was not mapped then return null.

rw

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Obj?[] rw()

Get a read-write, mutable List instance with the same contents.

size

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Int size()

Get the number of values in the map.