de.julielab.neo4j.plugins.auxiliaries.semedico

Class PredefinedTraversals

java.lang.Object

de.julielab.neo4j.plugins.auxiliaries.semedico.PredefinedTraversals

public class PredefinedTraversals
extends Object

Constructor Summary

Constructors

Constructor and Description
PredefinedTraversals()

Method Summary

Modifier and Type	Method and Description
static org.neo4j.graphdb.traversal.TraversalDescription	getAcronymsTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb)
static org.neo4j.graphdb.traversal.TraversalDescription	getFacetGroupTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb, String facetGroupName) This traversal returns two nodes, viz.
static org.neo4j.graphdb.traversal.TraversalDescription	getFacetTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb) Beginning at the facet groups node, this traversal returns all facets.
static org.neo4j.graphdb.traversal.TraversalDescription	getFacetTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb, String propertyKey, Object propertyValue) Beginning at the facet groups node, this traversal returns all facets matching the given property key and property value.
static org.neo4j.graphdb.traversal.TraversalDescription	getNonAggregateAggregateElements(org.neo4j.graphdb.GraphDatabaseService graphDb)
static org.neo4j.graphdb.traversal.TraversalDescription	getTopAggregates(org.neo4j.graphdb.GraphDatabaseService graphDb)
static org.neo4j.graphdb.traversal.TraversalDescription	getWritingVariantsTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PredefinedTraversals

public PredefinedTraversals()

Method Detail

getFacetTraversal

public static org.neo4j.graphdb.traversal.TraversalDescription getFacetTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb)

Beginning at the facet groups node, this traversal returns all facets.

Parameters:

graphDb - The graph database to traverse on.

Returns:

Traversal to get all facet nodes.

getFacetTraversal

public static org.neo4j.graphdb.traversal.TraversalDescription getFacetTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb,
                                                                                 String propertyKey,
                                                                                 Object propertyValue)

Beginning at the facet groups node, this traversal returns all facets matching the given property key and property value. More precisely, the traversal returns nodes connected by FacetManager.EdgeTypes.HAS_FACET_GROUP or FacetManager.EdgeTypes.HAS_FACET edge types that are located at a depth of at most 2.

Parameters:

graphDb - The graph database to traverse on.

propertyKey - The property on which to filter for propertyValue

propertyValue - The value for which is looked in property for facet nodes

Returns:

Traversal to get all facet nodes.

getFacetGroupTraversal

public static org.neo4j.graphdb.traversal.TraversalDescription getFacetGroupTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb,
                                                                                      String facetGroupName)

This traversal returns two nodes, viz. the facet groups node and the particular facet group node

Parameters:

graphDb - The graph database to work on.

facetGroupName - The name of the requested facet group, e.g. "BioMed".

Returns:

A traversal to get the requested facet group.

getAcronymsTraversal

public static org.neo4j.graphdb.traversal.TraversalDescription getAcronymsTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb)

getWritingVariantsTraversal

public static org.neo4j.graphdb.traversal.TraversalDescription getWritingVariantsTraversal(org.neo4j.graphdb.GraphDatabaseService graphDb)

getNonAggregateAggregateElements

public static org.neo4j.graphdb.traversal.TraversalDescription getNonAggregateAggregateElements(org.neo4j.graphdb.GraphDatabaseService graphDb)

getTopAggregates

public static org.neo4j.graphdb.traversal.TraversalDescription getTopAggregates(org.neo4j.graphdb.GraphDatabaseService graphDb)