org.neolumin.vertexium.accumulo.mapreduce

Class ElementMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

org.neolumin.vertexium.accumulo.mapreduce.ElementMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

public abstract class ElementMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
extends org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Field Summary

Fields

Modifier and Type	Field and Description
static String	GRAPH_CONFIG_PREFIX

Constructor Summary

Constructors

Constructor and Description
ElementMapper()

Method Summary

Methods

Modifier and Type	Method and Description
Edge	addEdge(String edgeId, Vertex outVertex, Vertex inVertex, String label, Visibility visibility, Authorizations authorizations)
Graph	getGraph()
abstract IdGenerator	getIdGenerator()
EdgeBuilderByVertexId	prepareEdge(Edge edge)
EdgeBuilderByVertexId	prepareEdge(String edgeId, String outVertexId, String inVertexId, String label, Visibility visibility)
EdgeBuilder	prepareEdge(String edgeId, Vertex outVertex, Vertex inVertex, String label, Visibility visibility)
VertexBuilder	prepareVertex(String vertexId, Visibility visibility)
VertexBuilder	prepareVertex(Vertex vertex)
protected abstract void	saveDataMutation(org.apache.hadoop.mapreduce.Mapper.Context context, org.apache.hadoop.io.Text dataTableName, org.apache.accumulo.core.data.Mutation m)
protected abstract void	saveEdgeMutation(org.apache.hadoop.mapreduce.Mapper.Context context, org.apache.hadoop.io.Text edgesTableName, org.apache.accumulo.core.data.Mutation m)
protected abstract void	saveVertexMutation(org.apache.hadoop.mapreduce.Mapper.Context context, org.apache.hadoop.io.Text verticesTableName, org.apache.accumulo.core.data.Mutation m)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, map, run

Methods inherited from class java.lang.Object

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

Field Detail

GRAPH_CONFIG_PREFIX

public static final String GRAPH_CONFIG_PREFIX

See Also:

Constant Field Values

Constructor Detail

ElementMapper

public ElementMapper()

Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

Throws:

IOException

InterruptedException

saveDataMutation

protected abstract void saveDataMutation(org.apache.hadoop.mapreduce.Mapper.Context context,
                    org.apache.hadoop.io.Text dataTableName,
                    org.apache.accumulo.core.data.Mutation m)
                                  throws IOException,
                                         InterruptedException

Throws:

IOException

InterruptedException

saveEdgeMutation

protected abstract void saveEdgeMutation(org.apache.hadoop.mapreduce.Mapper.Context context,
                    org.apache.hadoop.io.Text edgesTableName,
                    org.apache.accumulo.core.data.Mutation m)
                                  throws IOException,
                                         InterruptedException

Throws:

IOException

InterruptedException

saveVertexMutation

protected abstract void saveVertexMutation(org.apache.hadoop.mapreduce.Mapper.Context context,
                      org.apache.hadoop.io.Text verticesTableName,
                      org.apache.accumulo.core.data.Mutation m)
                                    throws IOException,
                                           InterruptedException

Throws:

IOException

InterruptedException

prepareVertex

public VertexBuilder prepareVertex(Vertex vertex)

prepareVertex

public VertexBuilder prepareVertex(String vertexId,
                          Visibility visibility)

addEdge

public Edge addEdge(String edgeId,
           Vertex outVertex,
           Vertex inVertex,
           String label,
           Visibility visibility,
           Authorizations authorizations)

prepareEdge

public EdgeBuilderByVertexId prepareEdge(Edge edge)

prepareEdge

public EdgeBuilderByVertexId prepareEdge(String edgeId,
                                String outVertexId,
                                String inVertexId,
                                String label,
                                Visibility visibility)

prepareEdge

public EdgeBuilder prepareEdge(String edgeId,
                      Vertex outVertex,
                      Vertex inVertex,
                      String label,
                      Visibility visibility)

getIdGenerator

public abstract IdGenerator getIdGenerator()

getGraph

public Graph getGraph()