Todd Nine created USERGRID-55:
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Summary: Implement directed edges for a graph API
Key: USERGRID-55
URL: https://issues.apache.org/jira/browse/USERGRID-55
Project: Usergrid
Issue Type: Task
Components: Stack
Reporter: Todd Nine
Using the new 2.0 code base, create a directed edge graph implementation.
*Terminology*
Id: And identifier interface. The identifier has a string type, and a UUID
Edge Type: The type of the edge as a string. "like", "follows" etc
Version: A time uuid that represents the version of the edge between the source
and target
Source: The source node in the directed edge
Target: The target node in the directed edge.
*Data access operations*
Get edges from source by edge type
Get edges from source by edge type and target type
Get edges to target by edge type
Get edges to target by edge type and source type
Get all edge types from source
Get all target types from source with edge type
Get all edge types to target
Get all source types to target with edge type
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