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What's GraphDiff?

GraphDiff is a DbContext extension methods for Entity Framework Code First, that allow you to save an entire detached Model/Entity, with child Entities and Lists, to the database without writing the code to do it.

This version is for EF6+. If you would like to use the project on EF(4.3,5.0) see this branch https://github.com/refactorthis/GraphDiff/tree/EF4-5.

Please see the initial post @ https://refactorthis.wordpress.com/2012/12/11/introducing-graphdiff-for-entity-framework-code-first-allowing-automated-updates-of-a-graph-of-detached-entities/ for more information.

Features

• Merge an entire graph of detached entities to the database using DbContext.UpdateGraph();
• Ensures concurrency is maintained for all child entities in the graph
• Allows for different configuration mappings to ensure that only changes within the defined graph are persisted
• Comprehensive testing suite to cover many (un/)common scenarios.

Proposed Features

• Fluent API style mapping of aggregates on bootstrapping
• Retrieve an aggregate from the database without specifying include expressions
• Define the aggregate using attributes on the models
• Allow for the initial db query to be performed as multiple queries where needed (too many includes, etc)

Release Notes

2.0.1

• Rewrite of graph traversal code and rewrite of tests to cover more scenarios.
• multiple bug fixes

Useful links

• Website
• KnowledgeBase
• Online Examples
• NuGet
• You can also consult GraphDiff questions on Stack Overflow

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Collaborators

Brent McKendrick, Andreas Pelzer