find-vertices-example

README

find-vertices-example

The basics of querying for vertices using the VertexIDs and VertexByID functions from the quick package.

Description

find-vertices-example demonstrates how to find vertices on the graph using the quick package. Specifically this example shows how use the VertexIDs and VertexByID functions which return vertex IDs based on provided labels and properties, and then return the entire vertex object based on the resulting ID, respectively.

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Prerequisites

• go 1.12
• Git
• Elastic Search
• Cassandra
  • Java 8

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Running

To run this test you will need a TinkerPop server running and a graph database to connect to locally. This example was tested while using JanusGraph which can be used by locating yourself to the root directory of the Grammes project.

cd $GOPATH/src/github.com/betty-labs/grammes

After locating yourself here then you may change directory to the /scripts folder.

cd scripts

Finally you may run the janusgraph.sh script to begin a local instance of JanusGraph. This will begin the TinkerPop server for you as well.

./janusgraph.sh

For further instructions please find yourself to the root README.md file.

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Steps

General steps

• Create a zap logger to help explain what's going on in the test and display the results.
• Adds two test vertices to the graph using AddVertex found in the quick package.
  • For testing this was created using JanusGraph. This can be run in the /scripts directory.
• VertexIDs returns the IDs for the vertices based on the label and properties provided.
• VertexByID returns the entire vertex object based on the IDs captured from VertexIDs.
• Drop all of the possible interfering vertices that were already on the graph.
• Defer a drop of all the testing vertices. This is done as clean up.

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Test specific steps

• Adds testing vertices to the graph
• Shows how to gather them from the graph using labels, properties, and IDs
• Logs the vertices