org.apache.tinkerpop.gremlin.hadoop

Class Constants

java.lang.Object

org.apache.tinkerpop.gremlin.hadoop.Constants

public final class Constants
extends Object

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Field Summary

Fields

Modifier and Type	Field and Description
static String	DOT_JAR
static String	GREMLIN_HADOOP_DEFAULT_GRAPH_COMPUTER
static String	GREMLIN_HADOOP_GRAPH_FILTER
static String	GREMLIN_HADOOP_GRAPH_READER
static String	GREMLIN_HADOOP_GRAPH_READER_HAS_EDGES
static String	GREMLIN_HADOOP_GRAPH_WRITER
static String	GREMLIN_HADOOP_GRAPH_WRITER_HAS_EDGES
static String	GREMLIN_HADOOP_GRAPHSON_VERSION
static String	GREMLIN_HADOOP_INPUT_LOCATION A key mapped to non-null, not empty UNIX-formatted file system path
static String	GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE
static String	GREMLIN_HADOOP_JOB_PREFIX
static String	GREMLIN_HADOOP_MAP_REDUCE_CLASS
static String	GREMLIN_HADOOP_OUTPUT_LOCATION A key mapped to non-null, not empty UNIX-formatted file system path to store the graph, memory and other files and directories, specific for Hadoop.
static String	GREMLIN_HADOOP_SPARK_JOB_PREFIX
static String	GREMLIN_HADOOP_VERTEX_PROGRAM_INTERCEPTOR
static String	GREMLIN_SPARK_GRAPH_STORAGE_LEVEL
static String	GREMLIN_SPARK_PERSIST_CONTEXT
static String	GREMLIN_SPARK_PERSIST_STORAGE_LEVEL
static String	GREMLIN_SPARK_SKIP_GRAPH_CACHE
static String	GREMLIN_SPARK_SKIP_PARTITIONER
static String	HADOOP_GREMLIN_LIBS
static String	HIDDEN_G
static String	HIDDEN_ITERATION
static String	MAPREDUCE_INPUT_FILEINPUTFORMAT_INPUTDIR
static String	SPARK_KRYO_REGISTRATION_REQUIRED
static String	SPARK_KRYO_REGISTRATOR
static String	SPARK_SERIALIZER

Method Summary

Modifier and Type	Method and Description
static String	getGraphLocation(String location)
static String	getMemoryLocation(String location, String memoryKey)
static Optional<String>	getSearchGraphLocation(String location, Storage storage)

Methods inherited from class java.lang.Object

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

Field Detail

GREMLIN_HADOOP_INPUT_LOCATION

public static final String GREMLIN_HADOOP_INPUT_LOCATION

A key mapped to non-null, not empty UNIX-formatted file system path

See Also:

getGraphLocation(String), getMemoryLocation(String, String), Constant Field Values

GREMLIN_HADOOP_OUTPUT_LOCATION

public static final String GREMLIN_HADOOP_OUTPUT_LOCATION

A key mapped to non-null, not empty UNIX-formatted file system path to store the graph, memory and other files and directories, specific for Hadoop.

See Also:

getGraphLocation(String), getMemoryLocation(String, String), Constant Field Values

GREMLIN_HADOOP_GRAPH_READER

public static final String GREMLIN_HADOOP_GRAPH_READER

See Also:

Constant Field Values

GREMLIN_HADOOP_GRAPH_WRITER

public static final String GREMLIN_HADOOP_GRAPH_WRITER

See Also:

Constant Field Values

GREMLIN_HADOOP_GRAPH_READER_HAS_EDGES

public static final String GREMLIN_HADOOP_GRAPH_READER_HAS_EDGES

See Also:

Constant Field Values

GREMLIN_HADOOP_GRAPH_WRITER_HAS_EDGES

public static final String GREMLIN_HADOOP_GRAPH_WRITER_HAS_EDGES

See Also:

Constant Field Values

GREMLIN_HADOOP_GRAPH_FILTER

public static final String GREMLIN_HADOOP_GRAPH_FILTER

See Also:

Constant Field Values

GREMLIN_HADOOP_DEFAULT_GRAPH_COMPUTER

public static final String GREMLIN_HADOOP_DEFAULT_GRAPH_COMPUTER

See Also:

Constant Field Values

GREMLIN_HADOOP_VERTEX_PROGRAM_INTERCEPTOR

public static final String GREMLIN_HADOOP_VERTEX_PROGRAM_INTERCEPTOR

See Also:

Constant Field Values

GREMLIN_HADOOP_GRAPHSON_VERSION

public static final String GREMLIN_HADOOP_GRAPHSON_VERSION

See Also:

Constant Field Values

GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE

public static final String GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE

See Also:

Constant Field Values

HIDDEN_G

public static final String HIDDEN_G

GREMLIN_HADOOP_JOB_PREFIX

public static final String GREMLIN_HADOOP_JOB_PREFIX

See Also:

Constant Field Values

GREMLIN_HADOOP_SPARK_JOB_PREFIX

public static final String GREMLIN_HADOOP_SPARK_JOB_PREFIX

See Also:

Constant Field Values

HADOOP_GREMLIN_LIBS

public static final String HADOOP_GREMLIN_LIBS

See Also:

Constant Field Values

DOT_JAR

public static final String DOT_JAR

See Also:

Constant Field Values

HIDDEN_ITERATION

public static final String HIDDEN_ITERATION

GREMLIN_HADOOP_MAP_REDUCE_CLASS

public static final String GREMLIN_HADOOP_MAP_REDUCE_CLASS

See Also:

Constant Field Values

MAPREDUCE_INPUT_FILEINPUTFORMAT_INPUTDIR

public static final String MAPREDUCE_INPUT_FILEINPUTFORMAT_INPUTDIR

See Also:

Constant Field Values

GREMLIN_SPARK_PERSIST_CONTEXT

public static final String GREMLIN_SPARK_PERSIST_CONTEXT

See Also:

Constant Field Values

GREMLIN_SPARK_GRAPH_STORAGE_LEVEL

public static final String GREMLIN_SPARK_GRAPH_STORAGE_LEVEL

See Also:

Constant Field Values

GREMLIN_SPARK_PERSIST_STORAGE_LEVEL

public static final String GREMLIN_SPARK_PERSIST_STORAGE_LEVEL

See Also:

Constant Field Values

GREMLIN_SPARK_SKIP_PARTITIONER

public static final String GREMLIN_SPARK_SKIP_PARTITIONER

See Also:

Constant Field Values

GREMLIN_SPARK_SKIP_GRAPH_CACHE

public static final String GREMLIN_SPARK_SKIP_GRAPH_CACHE

See Also:

Constant Field Values

SPARK_SERIALIZER

public static final String SPARK_SERIALIZER

See Also:

Constant Field Values

SPARK_KRYO_REGISTRATOR

public static final String SPARK_KRYO_REGISTRATOR

See Also:

Constant Field Values

SPARK_KRYO_REGISTRATION_REQUIRED

public static final String SPARK_KRYO_REGISTRATION_REQUIRED

See Also:

Constant Field Values

Method Detail

getGraphLocation

public static String getGraphLocation(String location)

Parameters:

location - not null, not empty UNIX-formatted file system path

Returns:

not empty UNIX-formatted file system path to the graph in the location, still compatible with Windows and File

getMemoryLocation

public static String getMemoryLocation(String location,
                                       String memoryKey)

Parameters:

location - not null, not empty UNIX-formatted file system path

memoryKey - not null, not empty

Returns:

not empty UNIX-formatted file system path to the memory in the location, still compatible with Windows and File

getSearchGraphLocation

public static Optional<String> getSearchGraphLocation(String location,
                                                      Storage storage)