createRelationship: Create a relationship with its property keys in Neo4j...

In frankkramer-lab/Multipath2Neo4j: A package for collecting, modeling, visualizing and storing biological pathways networks in Neo4j

Create a relationship with its property keys in Neo4j database

Description

Create a single relationship with its property keys, passed as arguments, in a Neo4j database.

Usage

createRelationship(
  connection,
  started_node_label,
  started_node_property,
  started_node_property_value,
  end_node_label,
  end_node_property,
  end_node_property_value,
  relationship_label,
  relationship_property_keys = NULL
)

Arguments

connection	The Neo4j connection object.
started_node_label	The started node label.
started_node_property	The started node property key name to be identified by.
started_node_property_value	The started node property key value to be found within.
end_node_label	The end node label.
end_node_property	The end node property key name to be identified by.
end_node_property_value	The end node property key value to be found within.
relationship_label	The relationship label.
relationship_property_keys	The relationship property keys, in the form of dataframe.

Value

The result from the Neo4j call.

Examples

## Not run: 
#Get the dataframe of relationships to be created
relationships = prepareRelationshipsDataframeToCreate(wntmully,nodes)

#Create all nodes in the Neo4j database
for(row in 1:nrow(relationships)){
 relationship_property_keys = relationships[row, !names(relationships) %in%
 c("label", "V1 label", "V2 label", "V1", "V2")]

 na_cells = which(is.na(relationship_property_keys))
 names_not_na = names(relationship_property_keys)[-na_cells]
 relationship_property_keys = as.data.frame(relationship_property_keys[,-na_cells])
 colnames(relationship_property_keys) = names_not_na

 createRelationship(connection, relationships[row,'V1_label'], 'name',
                    relationships[row,'V1'], relationships[row,'V2_label'],
                      'name', relationships[row,'V2'], relationships[row,'label'],
                         relationship_property_keys)
}

## End(Not run)

frankkramer-lab/Multipath2Neo4j documentation built on July 20, 2023, 11:43 p.m.