| Modifier and Type | Method and Description | 
|---|---|
GraphFilter.Legal | 
GraphFilter.checkEdgeLegality(Direction direction)
Get the legality of a particular edge direction. 
 | 
GraphFilter.Legal | 
GraphFilter.checkEdgeLegality(Direction direction,
                 String label)
Get the legality of a particular edge direction and label. 
 | 
Set<String> | 
GraphFilter.getLegallyPositiveEdgeLabels(Direction direction)
For a particular edge directionality, get all the  
GraphFilter.Legal.YES or GraphFilter.Legal.MAYBE edge labels. | 
| Modifier and Type | Method and Description | 
|---|---|
default GraphTraversal<S,Vertex> | 
GraphTraversal.to(Direction direction,
  String... edgeLabels)
Map the  
Vertex to its adjacent vertices given a direction and edge labels. | 
default GraphTraversal<S,Edge> | 
GraphTraversal.toE(Direction direction,
   String... edgeLabels)
Map the  
Vertex to its incident edges given the direction and edge labels. | 
default GraphTraversal<S,Vertex> | 
GraphTraversal.toV(Direction direction)
Map the  
Edge to its incident vertices given the direction. | 
| Modifier and Type | Field and Description | 
|---|---|
static Direction[] | 
Direction.proper
 | 
| Modifier and Type | Method and Description | 
|---|---|
Direction | 
Direction.opposite()
Produce the opposite representation of the current  
Direction enum. | 
static Direction | 
Direction.valueOf(String name)
Returns the enum constant of this type with the specified name. 
 | 
static Direction[] | 
Direction.values()
Returns an array containing the constants of this enum type, in
the order they are declared. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
Iterator<Edge> | 
Vertex.edges(Direction direction,
     String... edgeLabels)
Gets an  
Iterator of incident edges. | 
Iterator<Vertex> | 
Edge.vertices(Direction direction)
Retrieve the vertex (or vertices) associated with this edge as defined by the direction. 
 | 
Iterator<Vertex> | 
Vertex.vertices(Direction direction,
        String... edgeLabels)
Gets an  
Iterator of adjacent vertices. | 
| Modifier and Type | Method and Description | 
|---|---|
Vertex | 
GraphReader.readVertex(InputStream inputStream,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
          Direction attachEdgesOfThisDirection)
Reads a single vertex from an  
InputStream. | 
Iterator<Vertex> | 
GraphReader.readVertices(InputStream inputStream,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
            Direction attachEdgesOfThisDirection)
Reads a set of one or more vertices from an  
InputStream which were written by
 GraphWriter.writeVertices(OutputStream, Iterator). | 
void | 
GraphWriter.writeVertex(OutputStream outputStream,
           Vertex v,
           Direction direction)
Write a vertex to a stream with its associated edges. 
 | 
default void | 
GraphWriter.writeVertices(OutputStream outputStream,
             Iterator<Vertex> vertexIterator,
             Direction direction)
Write a list of vertices from a  
Traversal to a stream with its associated edges. | 
| Modifier and Type | Method and Description | 
|---|---|
Vertex | 
GraphMLReader.readVertex(InputStream inputStream,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
          Direction attachEdgesOfThisDirection)
This method is not supported for this reader. 
 | 
Iterator<Vertex> | 
GraphMLReader.readVertices(InputStream inputStream,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
            Direction attachEdgesOfThisDirection)
This method is not supported for this reader. 
 | 
void | 
GraphMLWriter.writeVertex(OutputStream outputStream,
           Vertex v,
           Direction direction)
This method is not supported for this writer. 
 | 
void | 
GraphMLWriter.writeVertices(OutputStream outputStream,
             Iterator<Vertex> vertexIterator,
             Direction direction)
This method is not supported for this writer. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
Vertex | 
GraphSONReader.readVertex(InputStream inputStream,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
          Direction attachEdgesOfThisDirection)
Read a  
Vertex from output generated by any of the GraphSONWriter writeVertex or
 writeVertices methods or by GraphSONWriter.writeGraph(OutputStream, Graph). | 
Iterator<Vertex> | 
GraphSONReader.readVertices(InputStream inputStream,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
            Direction attachEdgesOfThisDirection)
Read  
Vertex objects from output generated by any of the GraphSONWriter writeVertex or
 writeVertices methods or by GraphSONWriter.writeGraph(OutputStream, Graph). | 
void | 
GraphSONWriter.writeVertex(OutputStream outputStream,
           Vertex v,
           Direction direction)
Writes a single  
Vertex to stream where edges only from the specified direction are written. | 
void | 
GraphSONWriter.writeVertices(OutputStream outputStream,
             Iterator<Vertex> vertexIterator,
             Direction direction)
Writes a list of vertices in adjacency list format where vertices are written with edges from both
 directions. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
Vertex | 
GryoReader.readVertex(InputStream inputStream,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
          Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
          Direction attachEdgesOfThisDirection)
Read a  
Vertex from output generated by any of the GryoWriter writeVertex or
 writeVertices methods or by GryoWriter.writeGraph(OutputStream, Graph). | 
Iterator<Vertex> | 
GryoReader.readVertices(InputStream inputStream,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Vertex>,Vertex> vertexAttachMethod,
            Function<org.apache.tinkerpop.gremlin.structure.util.Attachable<Edge>,Edge> edgeAttachMethod,
            Direction attachEdgesOfThisDirection)
Read  
Vertex objects from output generated by any of the GryoWriter writeVertex or
 writeVertices methods or by GryoWriter.writeGraph(OutputStream, Graph). | 
void | 
GryoWriter.writeVertex(OutputStream outputStream,
           Vertex v,
           Direction direction)
Write a vertex to a stream with its associated edges. 
 | 
void | 
GryoWriter.writeVertices(OutputStream outputStream,
             Iterator<Vertex> vertexIterator,
             Direction direction)
Write a list of vertices from a  
Traversal to a stream with its associated edges. | 
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