Class DoubleArrayConfigKey

java.lang.Object
uk.ac.starlink.ttools.plot2.config.ConfigKey<double[]>
uk.ac.starlink.ttools.plot2.config.DoubleArrayConfigKey

public class DoubleArrayConfigKey extends ConfigKey<double[]>
Config key for a list of floating point values.
Since:
9 Jan 2017
Author:
Mark Taylor
  • Constructor Details

    • DoubleArrayConfigKey

      public DoubleArrayConfigKey(ConfigMeta meta, double[] dflt)
      Constructor.
      Parameters:
      meta - metadata
      dflt - default value
  • Method Details

    • valueToString

      public String valueToString(double[] dvals)
      Description copied from class: ConfigKey
      Reports a value as a string. If at all possible the roundtripping should be possible, so stringToValue(valueToString(v)).equals(v). A null value, if permitted, should be represented as an empty string.
      Specified by:
      valueToString in class ConfigKey<double[]>
      Parameters:
      dvals - possible value associated with this key
      Returns:
      string representation
    • stringToValue

      public double[] stringToValue(String txt) throws ConfigException
      Description copied from class: ConfigKey
      Decodes a string value to the value type of this key. An empty string should be interpreted as a null value, but this may cause an exception if null is not a permissible value for this key.
      Specified by:
      stringToValue in class ConfigKey<double[]>
      Parameters:
      txt - string representation of value
      Returns:
      value
      Throws:
      ConfigException
    • createSpecifier

      public Specifier<double[]> createSpecifier()
      Description copied from class: ConfigKey
      Constructs a graphical control with which the user can specify a suitable value for association with this key.
      Specified by:
      createSpecifier in class ConfigKey<double[]>
      Returns:
      new specifier