How to install GraphAware UUID in Neo4j?

Download the JAR files from GraphAware's site, place them in the Neo4j plugins directory, edit graphaware.conf with module settings, create unique constraints in the database, and restart Neo4j, as per the setup instructions.

GraphAware UUID vs APOC uuid in Neo4j?

GraphAware UUID is a dedicated runtime module with enforced immutability and configurable policies, while APOC's uuid procedures are part of a broader library with less strict controls. GraphAware is retired, so APOC might be a more maintained alternative for some use cases.

Can GraphAware UUID work with Neo4j Enterprise Edition?

Only with the paid Enterprise version from GraphAware; the open-source version is explicitly incompatible with Neo4j Enterprise, requiring a commercial license for integration.

How to disable immutability in GraphAware UUID?

Set com.graphaware.module.neo4j.UUID.immutable=false in the configuration file, but the README strongly discourages this for production use, as it undermines data integrity guarantees.

What are the alternatives since GraphAware UUID is retired?

Consider Neo4j's APOC library for UUID procedures, custom application-level UUID generation, or other third-party modules. Evaluate based on active maintenance and compatibility with your Neo4j version.

How to configure UUID generation for specific node labels?

Use Spring Expression Language in the node property of graphaware.conf, such as node=hasLabel('User') || hasLabel('Product'), to define which nodes receive UUIDs, as shown in the configuration examples.

Open-Awesome

GraphAware Neo4j UUID

Java

A Neo4j module that automatically assigns immutable UUIDs to nodes and relationships with configurable policies.

GitHub

106 stars22 forks0 contributors

What is GraphAware Neo4j UUID?

GraphAware Neo4j UUID is a Neo4j runtime module that automatically assigns UUIDs to nodes and relationships in a graph database. It solves the problem of maintaining consistent, unique identifiers for graph elements by transparently generating UUIDs upon creation and enforcing their immutability to prevent accidental data corruption.

Target Audience

Neo4j database administrators and developers building applications on Neo4j who need reliable, immutable unique identifiers for nodes and relationships to ensure data integrity and reference consistency.

Value Proposition

Developers choose GraphAware Neo4j UUID because it provides automated, transparent UUID assignment with strong immutability guarantees, eliminating manual ID management and preventing data integrity issues through configurable policies and seamless Neo4j integration.

Overview

GraphAware Runtime Module that assigns a UUID to all nodes (and relationships) in the graph transparently

Use Cases

Best For

Ensuring unique identifiers for Neo4j nodes and relationships in distributed systems
Preventing accidental modification or deletion of ID properties in graph databases
Automating UUID assignment for specific node labels or relationship types via configurable policies
Maintaining data integrity in Neo4j-based applications with immutable references
Integrating custom UUID generation algorithms into Neo4j runtime
Managing graph element identification in Neo4j Community Edition deployments

Not Ideal For

Projects using Neo4j Enterprise Edition without a GraphAware enterprise license
New development after 2021 requiring active maintenance and updates
Teams preferring lightweight, application-level UUID generation over database runtime modules
Environments where UUID immutability needs frequent toggling, as the module discourages disabling it

Pros & Cons

Pros

Automatic UUID Assignment

Transparently assigns UUIDs to new nodes and relationships based on configurable Spring Expression Language policies, reducing manual ID management. The README shows defaults for all business nodes with optional overrides.

Strong Immutability Enforcement

Prevents changes or deletions of UUID properties once assigned, ensuring data integrity by blocking transactions that attempt modifications, as described in the immutability section.

Flexible Configuration Options

Supports custom UUID generators and granular inclusion policies via configuration files, allowing developers to tailor UUID assignment to specific node labels or relationship types.

Constraint Integration

Requires unique constraints or indices in Neo4j to ensure UUID uniqueness, promoting database best practices and preventing identifier collisions.

Cons

Project Retired

No updates or official support since May 2021, posing risks for security, compatibility with newer Neo4j versions, and long-term maintenance, as stated in the retirement notice.

Limited Compatibility

Open-source version only works with Neo4j Community Edition; Neo4j Enterprise Edition requires a paid GraphAware license, creating vendor lock-in and additional costs.

Complex Setup Process

Requires manual installation of JAR files into Neo4j plugins, editing configuration files, and creating database constraints, which adds overhead compared to simpler library-based solutions.

Frequently Asked Questions

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