D1Node-class function

A base class for CNode and MNode.

D1Node is a base class for CNode and MNode classes and contains class slots and methods that are common between these two child classes. class

Slots

• identifier: A character string containing a URN that uniquely identifiers the node
• name: A character string containing a plain text name for the node
• description: A character string describing the node
• baseURL: A character string of the registered baseURL for the node, which does not include the version string
• subject: A character string containing the Distinguished Name of this node, used for authentication
• contactSubject: The Distinguished Name of contact person for this node
• replicate: A logical flag indicating whether the node accepts replicas
• type: The node type, either 'mn' or 'cn'
• state: A character string that indicates whether or not the node is accessible, either 'up' or 'down'
• services: A data.frame containing the service tiers supported by this node.
• serviceUrls: A data.frame that contains DataONE service Urls
• APIversion: A character string indicating version of the DataONE API for this node, e.g. "v2"
• env: A character string, either 'prod' if this node is in the production environment, otherwise 'test'

Methods

• D1Node-initialize{initialize}: Initialize a D1Node
• D1Node: Create a MNode object representing a DataONE Member Node repository.
• archive: Change the state of an object so that it is hidden from searches.
• describeObject: Get header information for a given pid.
• getChecksum: Get the checksum for the data object associated with the specified pid.
• getObject: Get the bytes associated with an object on a node.
• getQueryEngineDescription: Query a node for the list of query engines available on the node.
• getSystemMetadata: Get the metadata describing system properties associated with an object on the Node.
• listObjects: Retrieve the list of objects that match the search parameters.
• listQueryEngines: Query a node for the list of query engines available on the node.
• ping: Test if a node is online and accepting DataONE requests.
• encodeSolr: Encode the input for Solr Queries.
• query: Search DataONE for data and metadata objects.
• isAuthorized: Check if an action is authorized for the specified identifier.