Enum Command 

pub enum Command {
    Insert {
        id: Option<DocumentId>,
        contents: Bytes,
    },
    Update {
        header: Header,
        contents: Bytes,
    },
    Overwrite {
        id: DocumentId,
        contents: Bytes,
    },
    Delete {
        header: Header,
    },
    Check {
        id: DocumentId,
        revision: Option<Revision>,
    },
}

A command to execute within a Collection.

Variants

Insert

Inserts a new document containing contents.

Fields

id: Option<DocumentId>

An optional id for the document. If this is None, a unique id will be generated. If this is Some() and a document already exists with that id, a conflict error will be returned.

contents: Bytes

The initial contents of the document.

Update

Update an existing Document identified by header. header.revision must match the currently stored revision on the Document. If it does not, the command fill fail with a DocumentConflict error.

Fields

header: Header

The header of the Document. The revision must match the current document.

contents: Bytes

The new contents to store within the Document.

Overwrite

Overwrite an existing Document identified by id. The revision will not be checked before the document is updated. If the document does not exist, it will be created.

Fields

id: DocumentId

The id of the document to overwrite.

contents: Bytes

The new contents to store within the Document.

Delete

Delete an existing Document identified by id. revision must match the currently stored revision on the Document. If it does not, the command fill fail with a DocumentConflict error.

Fields

header: Header

The current header of the Document.

Check

Checks whether a document exists, and optionally whether its revision is still current. If the document is not found, a DocumentNotFound error will be returned. If the document revision is provided and does not match, a DocumentConflict error will be returned.

Fields

id: DocumentId

The id of the document to check.

revision: Option<Revision>

The revision of the document to check.

Trait Implementations

impl Clone for Command

fn clone(&self) -> Command

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Command

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Command

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Command

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.