Namespace linklist.fn
transaction function
Usage: [:linklist.fn/prepend list-id elem-id]
Transaction function to prepend an element to a list. Takes a database value, an entity id for a list, and an entity id to prepend.
Throws an IllegalStateException if the element to prepend is already
in the list.
database function
Usage: (d/invoke db :linklist.fn/prepend db list-id)
Database function to find the last node of a list. Takes a database value and an entity id for a list
transaction function
Usage: [:linklist.fn/append list-id elem-id]
Transaction function to append an element to a list Takes a database value, an entity id for a list, and an entity id to append.
Throws an IllegalStateException if the element to append is already
in the list.
transaction function
Usage: [:linklist.fn/insert list-id anchor-id elem-id]
Transaction function to insert an element into a list. Takes a database value, an entity id for a list, an entity id that is already present in the list, and an entity id to insert. The entity that is already present in the list will serve as the anchor for the insertion.
Throws an IllegalStateException if the element to insert is already
in the list. Throws an IllegalStateException if the anchor element
is not in the list.
transaction function
Usage: [:linklist.fn/initialize list-id elem-ids]
Transaction function to initialize a list. Takes a database value, a temp id for a list, and a sequence of temp ids for the initial elements.
transaction function
Usage: [:linklist.fn/prepend-many list-id elem-ids]
Transaction function to prepend elements to a list. Takes a database value, an entity id for a list, and a sequence of entity ids to be prepended to the list.
Throws an IllegalArgumentException if the sequence of elements to
prepend is empty. Throws an IllegalStateException if any of the
elements to prepend are already in the list.
transaction function
Usage: [:linklist.fn/append-many list-id elem-ids]
Transaction function to append elements to a list. Takes a database value, an entity id for a list, and a sequence of entity ids to be appended to the list.
Throws an IllegalArgumentException if the sequence of elements to
append is empty. Throws an IllegalStateException if any of the
elements to append are already in the list.
transaction function
Usage: [:linklist.fn/insert-many list-id anchor-id elem-ids]
Transaction function to insert elements into a list after an anchor. Takes a database value, an entity id for a list, a entity id that is already present in the list, and a sequence of entity ids to be inserted into the list. The elements will be inserted after the anchor element.
Throws an IllegalArgumentException if the sequence of elements to
insert is empty. Throws an IllegalStateException if any of the
elements to insert are already in the list. Throws an
IllegalStateException if the anchor element is not in the list.
transaction function
Usage: [:linklist.fn/remove-first list-id]
Transaction function to remove the first element of the list. Takes a database value and an entity id for a list. The first entity in the list will be unlinked: this will only retract the linklist specific attributes on the entity.
Throws an IllegalStateException if the list is empty.
database function
Usage: (d/invoke db :linklist.fn/find-before-and-after db node-id)
Database function to query for the nodes before and after the given node. Takes a database value and an entity id for a list element. If they exist, this query will find the elements that come before and after in the list.
transaction function
Usage: [:linklist.fn/remove list-id elem-id]
Transaction function to remove an element of the list. Takes a database value, and entity id for a list, and an entity id for an element to unlink from the list (this will only retract the linklist specific attributes on the entity).
Throws an IllegalStateException if the element to remove is not in
the list.
database function
Usage (d/invoke db :linklist.fn/list-nodes list-entity)
Database function to enumerate the entities in a list. Take a entity map of a list, and returns a vector of the element entities in order.
transaction function
Usage: [:linklist.fn/remove-many list-id elem-ids]
Transaction function to remove many elements from a list. Takes a database value, an entity id of a list, and a collection of entity ids to unlink from the list (this will only retract the linklist specific attributes on the entities). The elements to remove do not need to be contiguous in the list.
Throws an IllegalStateException if any of the elements to remove are
not in the list.
transaction function
Usage: [:linklist.fn/remove-and-prepend-many list-id delete-elem-ids new-elem-ids]
Transaction function to remove one collection of elems and prepend another collection of elems. Takes a database value, an entity id of a list, a collection of entity ids to remove from the list, and a collection of entity ids to prepend to the list. The elements to remove do not need to be contiguous in the list.
Throws an IllegalStateException if any of the elements to remove are
not in the list. Throws an IllegalStateException if any of the
elements to prepend are already in the list.
transaction function
Usage: [:linklist.fn/move-first list-id elem-id]
Transaction function to move an elem to the start of the list. Takes a database value, an entity id for a list, and an entity id of an element of the list. The given element will be moved to the beginning of the list.
Throws an IllegalStateException if the element to move is not
already in the list.
transaction function
Usage: [:linklist.fn/move list-id elem-id anchor-id]
Transaction function to move an elem after another elem. Takes a database value, an entity id for a list, an entity id of an element to move, and an entity id of an element to use as an anchor. The element to move will be placed directly after the anchor.
Throws an IllegalStateException if the element to move is not
already in the list. Throws an IllegalStateException if the anchor
element is not already in the list. Throws an
IllegalArgumentException if the element to move and the anchor
element are the same.