uk.ac.starlink.task.Task
MapperTask
, RegQuery
, SingleMapperTask
, TableLoop
, TapResume
public abstract class ConsumerTask
extends java.lang.Object
implements uk.ac.starlink.task.Task
Constructor | Description |
---|---|
ConsumerTask(java.lang.String purpose,
ProcessingMode outMode,
boolean useOutFilter) |
Constructor.
|
Modifier and Type | Method | Description |
---|---|---|
uk.ac.starlink.task.Executable |
createExecutable(uk.ac.starlink.task.Environment env) |
|
abstract TableProducer |
createProducer(uk.ac.starlink.task.Environment env) |
Returns an object which can produce the effective output table which
will be consumed by this task.
|
static TableProducer |
createProducer(uk.ac.starlink.task.Environment env,
FilterParameter filterParam,
InputTableParameter inParam) |
Constructs a table producer given an input parameter and an
input filter parameter.
|
ProcessingMode |
getOutputMode() |
Returns this task's output mode.
|
protected java.util.List |
getParameterList() |
Returns the parameter list for this task; it may be modified.
|
uk.ac.starlink.task.Parameter[] |
getParameters() |
|
java.lang.String |
getPurpose() |
public ConsumerTask(java.lang.String purpose, ProcessingMode outMode, boolean useOutFilter)
purpose
- one-line description of the taskoutMode
- processing mode which determines the destination of
the processed tableuseOutFilter
- allow specification of filters for output tablepublic java.lang.String getPurpose()
getPurpose
in interface uk.ac.starlink.task.Task
public uk.ac.starlink.task.Parameter[] getParameters()
getParameters
in interface uk.ac.starlink.task.Task
protected java.util.List getParameterList()
public abstract TableProducer createProducer(uk.ac.starlink.task.Environment env) throws uk.ac.starlink.task.TaskException
env
- execution environmentuk.ac.starlink.task.TaskException
public uk.ac.starlink.task.Executable createExecutable(uk.ac.starlink.task.Environment env) throws uk.ac.starlink.task.TaskException
createExecutable
in interface uk.ac.starlink.task.Task
uk.ac.starlink.task.TaskException
public ProcessingMode getOutputMode()
public static TableProducer createProducer(uk.ac.starlink.task.Environment env, FilterParameter filterParam, InputTableParameter inParam) throws uk.ac.starlink.task.TaskException
env
- execution environmentfilterParam
- parameter giving filter steps (or null)inParam
- parameter giving input tableuk.ac.starlink.task.TaskException
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