org.apache.reef.driver.evaluator

Class EvaluatorRequest.Builder

java.lang.Object

org.apache.reef.driver.evaluator.EvaluatorRequest.Builder

All Implemented Interfaces:

Builder<EvaluatorRequest>

Enclosing class:

EvaluatorRequest

public static final class EvaluatorRequest.Builder
extends Object
implements Builder<EvaluatorRequest>

EvaluatorRequests are build using this Builder.

Method Summary

Methods

Modifier and Type	Method and Description
EvaluatorRequest.Builder	addNodeName(String nodeName) Adds a node name.It is the preferred location where the evaluator should run on.
EvaluatorRequest.Builder	addRackName(String rackName) Adds a rack name.
EvaluatorRequest	build() Builds the EvaluatorRequest.
EvaluatorRequest.Builder	setMemory(int megaBytes) Set the amount of memory.
EvaluatorRequest.Builder	setNumber(int n) Set the number of Evaluators requested.
EvaluatorRequest.Builder	setNumberOfCores(int cores) Set number of cores.
EvaluatorRequest.Builder	setRuntimeName(String runtimeName) Set the name of the desired runtime.

Methods inherited from class java.lang.Object

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

Method Detail

setMemory

public EvaluatorRequest.Builder setMemory(int megaBytes)

Set the amount of memory.

Parameters:

megaBytes - the amount of megabytes to request for the Evaluator.

Returns:

this builder

setRuntimeName

public EvaluatorRequest.Builder setRuntimeName(String runtimeName)

Set the name of the desired runtime.

Parameters:

runtimeName - to request for the Evaluator.

Returns:

this builder

setNumberOfCores

public EvaluatorRequest.Builder setNumberOfCores(int cores)

Set number of cores.

Parameters:

cores - the number of cores

Returns:

this Builder.

setNumber

public EvaluatorRequest.Builder setNumber(int n)

Set the number of Evaluators requested.

Parameters:

n - the number of evaluators

Returns:

this Builder.

addNodeName

public EvaluatorRequest.Builder addNodeName(String nodeName)

Adds a node name.It is the preferred location where the evaluator should run on. If the node is available, the RM will try to allocate the evaluator there

Parameters:

nodeName - a preferred node name

Returns:

this Builder.

addRackName

public EvaluatorRequest.Builder addRackName(String rackName)

Adds a rack name. It is the preferred location where the evaluator should run on. If the rack is available, the RM will try to allocate the evaluator in one of its nodes. The RM will try to match node names first, and then fallback to rack names

Parameters:

rackName - a preferred rack name

Returns:

this Builder.

build

public EvaluatorRequest build()

Builds the EvaluatorRequest.

Specified by:

build in interface Builder<EvaluatorRequest>

Returns:

a fresh instance of the object.