Class TaskHeader

java.lang.Object
  |
  +--TaskHeader

public class TaskHeader

extends java.lang.Object

This data structure encapsulates the information that is common in all tasks, no matter what their functionality is.

Field Summary

java.lang.Object	inputArguments The input arguments of the current task.
int	missingInputArguments The number of input arguments that are missing, before the task can be executed.
TaskInfo	myTaskInfo The properties of the current task (@see TaskInfo).
DestinationRecord[]	outputDestination Used by the system for results handling.
int	sizeOfOutput The anticipated number of output arguments.
int	sizeOfOutputProduced The number of output arguments already produced.

Constructor Summary

TaskHeader(TaskHeader copyTaskHeader)
Use this constructor when you want to replicate an existing TaskHeader object.

TaskHeader(TaskInfo taskInfo, int inputArguments, int missingInputArguments, int sizeOfOutput, int sizeOfOutputProduced, DestinationRecord[] outputDestination)
Use this constructor when you want to create a new TaskHeader object.

Methods inherited from class java.lang.Object

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

Field Detail

inputArguments

public java.lang.Object inputArguments

The input arguments of the current task. This is an array of type Object, not a signle Object.

missingInputArguments

public int missingInputArguments

The number of input arguments that are missing, before the task can be executed. Therefore, if this field has value equal to 0, the task is ready to go.

myTaskInfo

public TaskInfo myTaskInfo

The properties of the current task (@see TaskInfo).

outputDestination

public DestinationRecord[] outputDestination

Used by the system for results handling.

sizeOfOutput

public int sizeOfOutput

The anticipated number of output arguments.

sizeOfOutputProduced

public int sizeOfOutputProduced

The number of output arguments already produced. Not currently used.

Constructor Detail

TaskHeader

public TaskHeader(TaskInfo taskInfo,
                  int inputArguments,
                  int missingInputArguments,
                  int sizeOfOutput,
                  int sizeOfOutputProduced,
                  DestinationRecord[] outputDestination)

Use this constructor when you want to create a new TaskHeader object.

TaskHeader

public TaskHeader(TaskHeader copyTaskHeader)

Use this constructor when you want to replicate an existing TaskHeader object.