uk.ac.starlink.ttools.cone
Class TilingParameter

java.lang.Object
  extended by uk.ac.starlink.task.Parameter<SkyTiling>
      extended by uk.ac.starlink.ttools.cone.TilingParameter

public class TilingParameter
extends Parameter<SkyTiling>

Parameter for specifying SkyTiling values.

Since:
13 Dec 2007
Author:
Mark Taylor

Field Summary
 
Fields inherited from class uk.ac.starlink.task.Parameter
BY_NAME
 
Constructor Summary
TilingParameter(String name)
          Constructor.
 
Method Summary
 SkyTiling stringToObject(Environment env, String svalue)
          Takes a non-blank string, as supplied by the execution environment, and turns it into a typed value for this parameter.
 SkyTiling tilingValue(Environment env)
          Returns the value of this parameter as a SkyTiling object.
 
Methods inherited from class uk.ac.starlink.task.Parameter
clearValue, getDescription, getName, getPosition, getPreferExplicit, getPrompt, getStringDefault, getUsage, getValueClass, isNullPermitted, objectToString, objectValue, setDescription, setDescription, setName, setNullPermitted, setPosition, setPreferExplicit, setPrompt, setStringDefault, setUsage, setValue, setValueFromObject, setValueFromString, stringValue, toArray, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

TilingParameter

public TilingParameter(String name)
Constructor.

Parameters:
name - parameter name
Method Detail

stringToObject

public SkyTiling stringToObject(Environment env,
                                String svalue)
                         throws TaskException
Description copied from class: Parameter
Takes a non-blank string, as supplied by the execution environment, and turns it into a typed value for this parameter. This method also performs validation, so if the string value is unacceptable in any way, a ParameterValueException should be thrown.

It is an error to supply a null or empty string value.

If this method fails (throws a ParameterValueException) and if allowClassnameValue is set, then a subsequent attempt will be made to interpret the stringVal as the classname of a suitable class with a no-arg constructor.

Specified by:
stringToObject in class Parameter<SkyTiling>
Parameters:
env - execution environment; in most cases this is not required but for some purposes environment-specific characteristics may influence the result
svalue - non-null, non-empty string value
Returns:
typed value
Throws:
TaskException

tilingValue

public SkyTiling tilingValue(Environment env)
                      throws TaskException
Returns the value of this parameter as a SkyTiling object.

Parameters:
env - execution environment
Returns:
tiling value
Throws:
TaskException


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