public GroovyExpression generateAdjacentVerticesExpression ( GroovyExpression parent , AtlasEdgeDirection dir , String label ) { return new FunctionCallExpression ( TraversalStepType . FLAT_MAP_TO_ELEMENTS , parent , getGremlinFunctionName ( dir ) , new LiteralExpression ( label ) ) ; }
Generates an expression that gets the vertices adjacent to the vertex in parent in the specified direction following only edges with the given label .