org.apache.flink.runtime.deployment

Class TaskDeploymentDescriptor

java.lang.Object

org.apache.flink.runtime.deployment.TaskDeploymentDescriptor

All Implemented Interfaces:

IOReadableWritable

public final class TaskDeploymentDescriptor
extends Object
implements IOReadableWritable

A task deployment descriptor contains all the information necessary to deploy a task on a task manager.

Constructor Summary

Constructors

Constructor and Description
TaskDeploymentDescriptor() Default constructor for serialization/deserialization.
TaskDeploymentDescriptor(JobID jobID, JobVertexID vertexID, ExecutionAttemptID execuionId, String taskName, int indexInSubtaskGroup, int currentNumberOfSubtasks, Configuration jobConfiguration, Configuration taskConfiguration, String invokableClassName, List<GateDeploymentDescriptor> outputGates, List<GateDeploymentDescriptor> inputGates, List<BlobKey> requiredJarFiles, int targetSlotNumber) Constructs a task deployment descriptor.

Method Summary

Methods

Modifier and Type	Method and Description
int	getCurrentNumberOfSubtasks() Returns the current number of subtasks.
ExecutionAttemptID	getExecutionId()
int	getIndexInSubtaskGroup() Returns the task's index in the subtask group.
List<GateDeploymentDescriptor>	getInputGates()
String	getInvokableClassName() Returns the name of the class containing the task code to be executed.
Configuration	getJobConfiguration() Returns the configuration of the job the task belongs to.
JobID	getJobID() Returns the ID of the job the tasks belongs to.
List<GateDeploymentDescriptor>	getOutputGates()
List<BlobKey>	getRequiredJarFiles()
Configuration	getTaskConfiguration() Returns the task's configuration object.
String	getTaskName() Returns the task's name.
JobVertexID	getVertexID() Returns the task's execution vertex ID.
void	read(DataInputView in)
void	write(DataOutputView out)

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskDeploymentDescriptor

public TaskDeploymentDescriptor(JobID jobID,
                        JobVertexID vertexID,
                        ExecutionAttemptID execuionId,
                        String taskName,
                        int indexInSubtaskGroup,
                        int currentNumberOfSubtasks,
                        Configuration jobConfiguration,
                        Configuration taskConfiguration,
                        String invokableClassName,
                        List<GateDeploymentDescriptor> outputGates,
                        List<GateDeploymentDescriptor> inputGates,
                        List<BlobKey> requiredJarFiles,
                        int targetSlotNumber)

Constructs a task deployment descriptor.

Parameters:

jobID - the ID of the job the tasks belongs to

vertexID - the task's execution vertex ID

taskName - the task's name the task's index in the subtask group

indexInSubtaskGroup - he task's index in the subtask group

currentNumberOfSubtasks - the current number of subtasks

jobConfiguration - the configuration of the job the task belongs to

taskConfiguration - the task's configuration object

invokableClassName - the class containing the task code to be executed

outputGates - list of output gate deployment descriptors

requiredJarFiles - list of JAR files required to run this task

TaskDeploymentDescriptor

public TaskDeploymentDescriptor()

Default constructor for serialization/deserialization.

Method Detail

getJobID

public JobID getJobID()

Returns the ID of the job the tasks belongs to.

Returns:

the ID of the job the tasks belongs to

getVertexID

public JobVertexID getVertexID()

Returns the task's execution vertex ID.

Returns:

the task's execution vertex ID

getExecutionId

public ExecutionAttemptID getExecutionId()

getTaskName

public String getTaskName()

Returns the task's name.

Returns:

the task's name

getIndexInSubtaskGroup

public int getIndexInSubtaskGroup()

Returns the task's index in the subtask group.

Returns:

the task's index in the subtask group

getCurrentNumberOfSubtasks

public int getCurrentNumberOfSubtasks()

Returns the current number of subtasks.

Returns:

the current number of subtasks

getJobConfiguration

public Configuration getJobConfiguration()

Returns the configuration of the job the task belongs to.

Returns:

the configuration of the job the tasks belongs to

getTaskConfiguration

public Configuration getTaskConfiguration()

Returns the task's configuration object.

Returns:

the task's configuration object

getInvokableClassName

public String getInvokableClassName()

Returns the name of the class containing the task code to be executed.

Returns:

The name of the class containing the task code to be executed

getOutputGates

public List<GateDeploymentDescriptor> getOutputGates()

getInputGates

public List<GateDeploymentDescriptor> getInputGates()

getRequiredJarFiles

public List<BlobKey> getRequiredJarFiles()

write

public void write(DataOutputView out)
           throws IOException

Specified by:

write in interface IOReadableWritable

Throws:

IOException

read

public void read(DataInputView in)
          throws IOException

Specified by:

read in interface IOReadableWritable

Throws:

IOException