A B C D E F G H I M N O P R S T V W

A

AbsDiffAggregator - Class in org.apache.hama.graph

A absolute difference aggregator, it collects values before the compute and after the compute, then calculates the difference and globally accumulates (sums them up) them.

AbsDiffAggregator() - Constructor for class org.apache.hama.graph.AbsDiffAggregator

AbstractAggregator<M extends org.apache.hadoop.io.Writable,VERTEX extends Vertex<?,?,M>> - Class in org.apache.hama.graph

Abstract base case of an aggregator.

AbstractAggregator() - Constructor for class org.apache.hama.graph.AbstractAggregator

addEdge(Edge<V, E>) - Method in class org.apache.hama.graph.Vertex

aggregate(Vertex<?, ?, DoubleWritable>, DoubleWritable, DoubleWritable) - Method in class org.apache.hama.graph.AbsDiffAggregator

aggregate(Vertex<?, ?, DoubleWritable>, DoubleWritable) - Method in class org.apache.hama.graph.AbsDiffAggregator

aggregate(VERTEX, M) - Method in class org.apache.hama.graph.AbstractAggregator

Observes a value of a vertex after the compute method.

aggregate(VERTEX, M, M) - Method in class org.apache.hama.graph.AbstractAggregator

Observes the old value of a vertex and the new value at the same time.

aggregate(VERTEX, M) - Method in interface org.apache.hama.graph.Aggregator

Observes a new vertex value.

aggregate(Vertex<?, ?, IntWritable>, IntWritable) - Method in class org.apache.hama.graph.MaxAggregator

aggregate(Vertex<?, ?, IntWritable>, IntWritable) - Method in class org.apache.hama.graph.MinAggregator

aggregate(Vertex<?, ?, DoubleWritable>, DoubleWritable) - Method in class org.apache.hama.graph.SumAggregator

aggregateVertex(M, Vertex<V, E, M>) - Method in class org.apache.hama.graph.AggregationRunner

Aggregates the last value before computation and the value after the computation.

AggregationRunner<V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> - Class in org.apache.hama.graph

Runner class to do the tasks that need to be done if aggregation was configured.

AggregationRunner() - Constructor for class org.apache.hama.graph.AggregationRunner

Aggregator<M extends org.apache.hadoop.io.Writable,VERTEX extends Vertex<?,?,?>> - Interface in org.apache.hama.graph

Aggregators are a mechanism for global communication, monitoring, and data.

AGGREGATOR_CLASS_ATTR - Static variable in class org.apache.hama.graph.GraphJob

AverageAggregator - Class in org.apache.hama.graph

Averages the result of the AbsDiffAggregator.

AverageAggregator() - Constructor for class org.apache.hama.graph.AverageAggregator

B

bsp(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>) - Method in class org.apache.hama.graph.GraphJobRunner

C

cleanup(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>) - Method in class org.apache.hama.graph.GraphJobRunner

Just write pair as a result.

compute(Iterator<M>) - Method in interface org.apache.hama.graph.VertexInterface

The user-defined function

D

doMasterAggregation(MapWritable) - Method in class org.apache.hama.graph.AggregationRunner

The method the master task does, it globally aggregates the values of each peer and updates the given map accordingly.

E

Edge<VERTEX_ID extends org.apache.hadoop.io.Writable,EDGE_VALUE_TYPE extends org.apache.hadoop.io.Writable> - Class in org.apache.hama.graph

The edge class

Edge(VERTEX_ID, EDGE_VALUE_TYPE) - Constructor for class org.apache.hama.graph.Edge

EDGE_VALUE_CLASS - Static variable in class org.apache.hama.graph.GraphJobMessage

equals(Object) - Method in class org.apache.hama.graph.Vertex

F

finalizeAggregation() - Method in class org.apache.hama.graph.AbstractAggregator

Finalizes the aggregation on a master task.

finalizeAggregation() - Method in class org.apache.hama.graph.AverageAggregator

FLAG_MESSAGE_COUNTS - Static variable in class org.apache.hama.graph.GraphJobRunner

G

getConf() - Method in class org.apache.hama.graph.Vertex

getDestinationPeerName(Edge<V, E>) - Method in class org.apache.hama.graph.Vertex

getDestinationPeerName(V) - Method in class org.apache.hama.graph.Vertex

getDestinationVertexID() - Method in class org.apache.hama.graph.Edge

getEdges() - Method in class org.apache.hama.graph.Vertex

getEdges() - Method in interface org.apache.hama.graph.VertexInterface

getLastAggregatedValue(int) - Method in class org.apache.hama.graph.AggregationRunner

getLastAggregatedValue(int) - Method in class org.apache.hama.graph.GraphJobRunner

Gets the last aggregated value at the given index.

getLastAggregatedValue(int) - Method in class org.apache.hama.graph.Vertex

Get the last aggregated value of the defined aggregator, null if nothing was configured or not returned a result.

getMap() - Method in class org.apache.hama.graph.GraphJobMessage

getMasterTask(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>) - Static method in class org.apache.hama.graph.GraphJobRunner

getMaxIteration() - Method in class org.apache.hama.graph.GraphJobRunner

getMaxIteration() - Method in class org.apache.hama.graph.Vertex

getNumberIterations() - Method in class org.apache.hama.graph.GraphJobRunner

getNumberVertices() - Method in class org.apache.hama.graph.GraphJobRunner

getNumLastAggregatedVertices(int) - Method in class org.apache.hama.graph.AggregationRunner

getNumLastAggregatedVertices(int) - Method in class org.apache.hama.graph.GraphJobRunner

Gets the last aggregated number of vertices at the given index.

getNumLastAggregatedVertices(int) - Method in class org.apache.hama.graph.Vertex

Get the number of aggregated vertices in the last superstep.

getNumPeers() - Method in class org.apache.hama.graph.Vertex

getNumVertices() - Method in class org.apache.hama.graph.Vertex

getNumVertices() - Method in interface org.apache.hama.graph.VertexInterface

getPartitioner() - Method in class org.apache.hama.graph.GraphJobRunner

getPartitioner() - Method in class org.apache.hama.graph.Vertex

getPeer() - Method in class org.apache.hama.graph.GraphJobRunner

getPeer() - Method in class org.apache.hama.graph.Vertex

Gives access to the BSP primitives and additional features by a peer.

getSuperstepCount() - Method in class org.apache.hama.graph.Vertex

getSuperstepCount() - Method in interface org.apache.hama.graph.VertexInterface

getTimesAggregated() - Method in class org.apache.hama.graph.AbstractAggregator

getValue() - Method in class org.apache.hama.graph.AbsDiffAggregator

getValue() - Method in class org.apache.hama.graph.AbstractAggregator

Gets the value of the aggregator.

getValue() - Method in interface org.apache.hama.graph.Aggregator

Gets a vertex value.

getValue() - Method in class org.apache.hama.graph.Edge

getValue() - Method in class org.apache.hama.graph.MaxAggregator

getValue() - Method in class org.apache.hama.graph.MinAggregator

getValue() - Method in class org.apache.hama.graph.SumAggregator

getValue() - Method in class org.apache.hama.graph.Vertex

getValue() - Method in interface org.apache.hama.graph.VertexInterface

Gets the vertex value

getVertex() - Method in class org.apache.hama.graph.GraphJobMessage

getVertexClass() - Method in class org.apache.hama.graph.GraphJob

getVertexId() - Method in class org.apache.hama.graph.GraphJobMessage

getVertexID() - Method in class org.apache.hama.graph.Vertex

getVertexID() - Method in interface org.apache.hama.graph.VertexInterface

getVertexValue() - Method in class org.apache.hama.graph.GraphJobMessage

getVerticesSize() - Method in class org.apache.hama.graph.GraphJobMessage

GRAPH_REPAIR - Static variable in class org.apache.hama.graph.GraphJobRunner

GraphJob - Class in org.apache.hama.graph

GraphJob(HamaConfiguration, Class<?>) - Constructor for class org.apache.hama.graph.GraphJob

Creates a new Graph Job with the given configuration and an exampleClass.

GraphJobMessage - Class in org.apache.hama.graph

A message that is either MapWritable (for meta communication purposes) or a real message (vertex ID and value).

GraphJobMessage() - Constructor for class org.apache.hama.graph.GraphJobMessage

GraphJobMessage(MapWritable) - Constructor for class org.apache.hama.graph.GraphJobMessage

GraphJobMessage(Writable) - Constructor for class org.apache.hama.graph.GraphJobMessage

GraphJobMessage(Writable, Writable) - Constructor for class org.apache.hama.graph.GraphJobMessage

GraphJobMessage(Vertex<?, ?, ?>) - Constructor for class org.apache.hama.graph.GraphJobMessage

GraphJobMessage(IntWritable) - Constructor for class org.apache.hama.graph.GraphJobMessage

GraphJobRunner<V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> - Class in org.apache.hama.graph

Fully generic graph job runner.

GraphJobRunner() - Constructor for class org.apache.hama.graph.GraphJobRunner

GraphJobRunner.GraphJobCounter - Enum in org.apache.hama.graph

H

hashCode() - Method in class org.apache.hama.graph.Vertex

I

isEnabled() - Method in class org.apache.hama.graph.AggregationRunner

isHalted() - Method in class org.apache.hama.graph.Vertex

isMapMessage() - Method in class org.apache.hama.graph.GraphJobMessage

isMasterTask(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>) - Static method in class org.apache.hama.graph.GraphJobRunner

Checks if this is a master task.

isPartitioningMessage() - Method in class org.apache.hama.graph.GraphJobMessage

isRepairMessage() - Method in class org.apache.hama.graph.GraphJobMessage

isVertexMessage() - Method in class org.apache.hama.graph.GraphJobMessage

isVerticesSizeMessage() - Method in class org.apache.hama.graph.GraphJobMessage

M

MAP_FLAG - Static variable in class org.apache.hama.graph.GraphJobMessage

masterReadAggregatedIncrementalValue(Text, M) - Method in class org.apache.hama.graph.AggregationRunner

Method to let the master read messages from peers and aggregate the incremental value.

masterReadAggregatedValue(Text, M) - Method in class org.apache.hama.graph.AggregationRunner

Method to let the master read messages from peers and aggregate a value.

MaxAggregator - Class in org.apache.hama.graph

MaxAggregator() - Constructor for class org.apache.hama.graph.MaxAggregator

MESSAGE_COMBINER_CLASS - Static variable in class org.apache.hama.graph.GraphJobRunner

MinAggregator - Class in org.apache.hama.graph

MinAggregator() - Constructor for class org.apache.hama.graph.MinAggregator

N

newVertexInstance(Class<?>, Configuration) - Static method in class org.apache.hama.graph.GraphJobRunner

O

org.apache.hama.graph - package org.apache.hama.graph

Pregel clone graph computing framework on top of Hama.

P

parseVertex(KEYIN, VALUEIN, Vertex<V, E, M>) - Method in class org.apache.hama.graph.VertexInputReader

Parses a given key and value into the given vertex.

PARTITION_FLAG - Static variable in class org.apache.hama.graph.GraphJobMessage

R

readFields(DataInput) - Method in class org.apache.hama.graph.GraphJobMessage

receiveAggregatedValues(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>, long) - Method in class org.apache.hama.graph.AggregationRunner

Receives aggregated values from a master task, by doing an additional barrier sync and parsing the messages.

REPAIR_FLAG - Static variable in class org.apache.hama.graph.GraphJobMessage

S

S_FLAG_AGGREGATOR_INCREMENT - Static variable in class org.apache.hama.graph.GraphJobRunner

S_FLAG_AGGREGATOR_VALUE - Static variable in class org.apache.hama.graph.GraphJobRunner

S_FLAG_MESSAGE_COUNTS - Static variable in class org.apache.hama.graph.GraphJobRunner

sendAggregatorValues(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>, int) - Method in class org.apache.hama.graph.AggregationRunner

Runs the aggregators by sending their values to the master task.

sendMessage(Edge<V, E>, M) - Method in class org.apache.hama.graph.Vertex

sendMessage(V, M) - Method in class org.apache.hama.graph.Vertex

sendMessage(Edge<V, E>, M) - Method in interface org.apache.hama.graph.VertexInterface

Sends a message to another vertex.

sendMessage(V, M) - Method in interface org.apache.hama.graph.VertexInterface

Sends a message to the given destination vertex by ID and the message value

sendMessageToNeighbors(M) - Method in class org.apache.hama.graph.Vertex

sendMessageToNeighbors(M) - Method in interface org.apache.hama.graph.VertexInterface

Sends a message to neighbors

setAggregatorClass(Class<? extends Aggregator>) - Method in class org.apache.hama.graph.GraphJob

Set the aggregator for the job.

setAggregatorClass(Class<? extends Aggregator>...) - Method in class org.apache.hama.graph.GraphJob

Sets multiple aggregators for the job.

setCombinerClass(Class<? extends Combiner<? extends Writable>>) - Method in class org.apache.hama.graph.GraphJob

setEdges(List<Edge<V, E>>) - Method in class org.apache.hama.graph.Vertex

setEdgeValueClass(Class<? extends Writable>) - Method in class org.apache.hama.graph.GraphJob

Set the Edge value class for the job.

setMaxIteration(int) - Method in class org.apache.hama.graph.GraphJob

Sets how many iterations the algorithm should perform, -1 for deactivated is default value.

setPartitioner(Class<? extends Partitioner>) - Method in class org.apache.hama.graph.GraphJob

setup(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>) - Method in class org.apache.hama.graph.GraphJobRunner

setup(Configuration) - Method in class org.apache.hama.graph.Vertex

setup(Configuration) - Method in interface org.apache.hama.graph.VertexInterface

Used to setup a vertex.

setupAggregators(BSPPeer<Writable, Writable, Writable, Writable, GraphJobMessage>) - Method in class org.apache.hama.graph.AggregationRunner

setValue(M) - Method in class org.apache.hama.graph.Vertex

setValue(M) - Method in interface org.apache.hama.graph.VertexInterface

Sets the vertex value

setVertexClass(Class<? extends Vertex<? extends Writable, ? extends Writable, ? extends Writable>>) - Method in class org.apache.hama.graph.GraphJob

Set the Vertex class for the job.

setVertexID(V) - Method in class org.apache.hama.graph.Vertex

setVertexIDClass(Class<? extends Writable>) - Method in class org.apache.hama.graph.GraphJob

Set the Vertex ID class for the job.

setVertexInputReaderClass(Class<? extends VertexInputReader<?, ?, ?, ?, ?>>) - Method in class org.apache.hama.graph.GraphJob

Sets the input reader for parsing the input to vertices.

setVertexValueClass(Class<? extends Writable>) - Method in class org.apache.hama.graph.GraphJob

Set the Vertex value class for the job.

submit() - Method in class org.apache.hama.graph.GraphJob

SumAggregator - Class in org.apache.hama.graph

Sums all vertex values globally.

SumAggregator() - Constructor for class org.apache.hama.graph.SumAggregator

T

toString() - Method in class org.apache.hama.graph.AbstractAggregator

toString() - Method in class org.apache.hama.graph.Edge

toString() - Method in class org.apache.hama.graph.GraphJobMessage

toString() - Method in class org.apache.hama.graph.Vertex

V

valueOf(String) - Static method in enum org.apache.hama.graph.GraphJobRunner.GraphJobCounter

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.apache.hama.graph.GraphJobRunner.GraphJobCounter

Returns an array containing the constants of this enum type, in the order they are declared.

Vertex<V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> - Class in org.apache.hama.graph

Vertex() - Constructor for class org.apache.hama.graph.Vertex

VERTEX_CLASS - Static variable in class org.apache.hama.graph.GraphJobMessage

VERTEX_CLASS_ATTR - Static variable in class org.apache.hama.graph.GraphJob

VERTEX_EDGE_VALUE_CLASS_ATTR - Static variable in class org.apache.hama.graph.GraphJob

VERTEX_FLAG - Static variable in class org.apache.hama.graph.GraphJobMessage

VERTEX_GRAPH_INPUT_READER - Static variable in class org.apache.hama.graph.GraphJob

VERTEX_GRAPH_RUNTIME_PARTIONING - Static variable in class org.apache.hama.graph.GraphJob

VERTEX_ID_CLASS - Static variable in class org.apache.hama.graph.GraphJobMessage

VERTEX_ID_CLASS_ATTR - Static variable in class org.apache.hama.graph.GraphJob

VERTEX_MESSAGE_COMBINER_CLASS_ATTR - Static variable in class org.apache.hama.graph.GraphJob

VERTEX_VALUE_CLASS - Static variable in class org.apache.hama.graph.GraphJobMessage

VERTEX_VALUE_CLASS_ATTR - Static variable in class org.apache.hama.graph.GraphJob

VertexInputReader<KEYIN extends org.apache.hadoop.io.Writable,VALUEIN extends org.apache.hadoop.io.Writable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> - Class in org.apache.hama.graph

A reader to read Hama's input files and parses a vertex out of it.

VertexInputReader() - Constructor for class org.apache.hama.graph.VertexInputReader

VertexInterface<V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> - Interface in org.apache.hama.graph

The vertex interface.

VERTICES_SIZE_FLAG - Static variable in class org.apache.hama.graph.GraphJobMessage

voteToHalt() - Method in class org.apache.hama.graph.Vertex

voteToHalt() - Method in interface org.apache.hama.graph.VertexInterface

Vote to halt.

W

write(DataOutput) - Method in class org.apache.hama.graph.GraphJobMessage

A B C D E F G H I M N O P R S T V W