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Retrieves a single Parameter_MedicationTypes node from a Neo4j graph database by matching its unique identifier (UID).

Purpose

This function queries a Neo4j database to fetch a specific Parameter_MedicationTypes node using its UID. It's designed for retrieving medication type parameter configurations or metadata stored in a graph database. The function returns the first matching node or None if no match is found, making it useful for lookup operations in healthcare or pharmaceutical applications that use graph databases to model medication parameters.

Source Code

def get_parameter_medicationtypes_by_uid(uid):
    """Get a Parameter_MedicationTypes node by its UID"""
    query = """
    MATCH (n:Parameter_MedicationTypes {UID: $uid})
    RETURN n
    """
    result = run_query(query, {"uid": uid})
    return result[0] if result else None

Parameters

Parameter Details

uid: The unique identifier (UID) of the Parameter_MedicationTypes node to retrieve. Expected to be a string or value that matches the UID property stored in the Neo4j database. This should be a valid, existing UID for a Parameter_MedicationTypes node.

Return Value

Returns the first Parameter_MedicationTypes node object that matches the provided UID if found, or None if no matching node exists. The returned node object contains all properties associated with that Parameter_MedicationTypes node in the database. The return type is either a dictionary-like node object or None.

Dependencies

• neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

# Assuming run_query is defined and Neo4j connection is configured
from neo4j import GraphDatabase

# Example usage
uid_to_find = "med-type-123"
medication_type = get_parameter_medicationtypes_by_uid(uid_to_find)

if medication_type:
    print(f"Found medication type: {medication_type}")
else:
    print(f"No medication type found with UID: {uid_to_find}")

Best Practices

• Ensure the run_query function is properly defined and handles Neo4j connection management
• Validate the uid parameter before calling this function to avoid unnecessary database queries
• Handle the None return value appropriately in calling code to avoid NoneType errors
• Consider adding error handling for database connection failures
• Ensure proper indexing on the UID property in Neo4j for optimal query performance
• The function assumes run_query returns a list; verify this behavior matches your implementation

Tags

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