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Retrieves a single dbo_InterventionProtocols node from a Neo4j graph database by its unique ID.

Purpose

This function queries a Neo4j database to fetch a specific intervention protocol node identified by its ID. It's designed for retrieving individual protocol records from a graph database, likely used in medical or clinical research applications where intervention protocols need to be accessed by their unique identifiers.

Source Code

def get_dbo_interventionprotocols_by_id(id):
    """Get a dbo_InterventionProtocols node by its ID"""
    query = """
    MATCH (n:dbo_InterventionProtocols {id: $id})
    RETURN n
    """
    result = run_query(query, {"id": id})
    return result[0] if result else None

Parameters

Parameter Details

id: The unique identifier of the dbo_InterventionProtocols node to retrieve. Expected to be a string or integer that matches the 'id' property of nodes in the Neo4j database. This should correspond to a valid intervention protocol ID in the database.

Return Value

Returns the first matching dbo_InterventionProtocols node as a dictionary-like object if found, or None if no node with the specified ID exists. The returned node object contains all properties associated with that intervention protocol in the database.

Dependencies

• neo4j

Required Imports

from neo4j import GraphDatabase

Usage Example

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

# Define run_query helper function (example)
def run_query(query, params):
    driver = GraphDatabase.driver('bolt://localhost:7687', auth=('neo4j', 'password'))
    with driver.session() as session:
        result = session.run(query, params)
        return [record['n'] for record in result]
    driver.close()

# Use the function
protocol_id = '12345'
protocol = get_dbo_interventionprotocols_by_id(protocol_id)

if protocol:
    print(f'Found protocol: {protocol}')
else:
    print('Protocol not found')

Best Practices

• Ensure the run_query function is properly defined and handles Neo4j connection management
• Validate the ID parameter before passing it to prevent injection attacks or invalid queries
• Handle the None return value appropriately in calling code to avoid NoneType errors
• Consider adding error handling for database connection failures
• Ensure proper Neo4j driver cleanup and connection pooling in the run_query implementation
• Consider adding type hints for better code documentation (e.g., def get_dbo_interventionprotocols_by_id(id: str) -> Optional[Dict])
• The function assumes run_query returns a list; ensure this contract is maintained

Tags

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