uk.ac.starlink.ttools.join
Class Match1TypeParameter

java.lang.Object
  extended by uk.ac.starlink.task.Parameter<Match1Type>
      extended by uk.ac.starlink.ttools.join.Match1TypeParameter

public class Match1TypeParameter
extends Parameter<Match1Type>

Parameter subclass whose value is a Match1Type object.

Since:
16 Nov 2007
Author:
Mark Taylor

Field Summary
 
Fields inherited from class uk.ac.starlink.task.Parameter
BY_NAME
 
Constructor Summary
Match1TypeParameter(String name)
          Constructor.
 
Method Summary
 Match1Type stringToObject(Environment env, String sval)
          Takes a non-blank string, as supplied by the execution environment, and turns it into a typed value for this parameter.
 Match1Type typeValue(Environment env)
          Returns the value of this parameter as a Match1Type 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

Match1TypeParameter

public Match1TypeParameter(String name)
Constructor.

Parameters:
name - parameter name
Method Detail

typeValue

public Match1Type typeValue(Environment env)
                     throws TaskException
Returns the value of this parameter as a Match1Type object.

Parameters:
env - execution environment
Throws:
TaskException

stringToObject

public Match1Type stringToObject(Environment env,
                                 String sval)
                          throws ParameterValueException
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<Match1Type>
Parameters:
env - execution environment; in most cases this is not required but for some purposes environment-specific characteristics may influence the result
sval - non-null, non-empty string value
Returns:
typed value
Throws:
ParameterValueException


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