Package weka.filters.unsupervised.attribute

Class AddUserFields.AttributeSpec

java.lang.Object
weka.filters.unsupervised.attribute.AddUserFields.AttributeSpec
All Implemented Interfaces:
Serializable
Enclosing class:
AddUserFields
public static class AddUserFields.AttributeSpec extends Object implements Serializable
Inner class encapsulating a new user-specified attribute to create.
Author:
Mark Hall (mhall{[at]}pentaho{[dot]}com)
See Also:

  • Constructor Details

    • AttributeSpec

      public AttributeSpec()
      Default constructor

    • AttributeSpec

      public AttributeSpec(String spec)
      Constructor that takes an attribute specification in internal format
      Parameters:
      spec - the attribute spec to use

  • Method Details

    • setName

      public void setName(String name)
      Set the name of the new attribute
      Parameters:
      name - the name of the new attribute

    • getName

      public String getName()
      Get the name of the new attribute
      Returns:
      the name of the new attribute

    • setType

      public void setType(String type)
      Set the type of the new attribute
      Parameters:
      type - the type of the new attribute

    • getType

      public String getType()
      Get the type of the new attribute
      Returns:
      the type of the new attribute

    • setValue

      public void setValue(String value)
      Set the value of the new attribute. Date attributes can assume a supplied date value (parseable by either the default date format or a user specified one) or the current time stamp if the user specifies the special string "now".
      Parameters:
      value - the value of the new attribute

    • getValue

      public String getValue()
      Get the value of the new attribute. Date attributes can assume a supplied date value (parseable by either the default date format or a user specified one) or the current time stamp if the user specifies the special string "now".
      Returns:
      the value of the new attribute

    • getResolvedName

      public String getResolvedName()
      Get the name of the attribute after substituting any environment variables
      Returns:
      the name of the attribute after environment variables have been substituted

    • getResolvedValue

      public String getResolvedValue()
      Get the value of the attribute after substituting any environment variables
      Returns:
      the value of the attribute after environment variables have been substituted

    • getResolvedType

      public String getResolvedType()
      Get the type of the attribute after substituting any environment variables
      Returns:
      the tyep of the attribute after environment variables have been substituted

    • getDateFormat

      public String getDateFormat()
      Get the date formatting string (if any)
      Returns:
      the date formatting string

    • getDateValue

      public Date getDateValue()
      Get the value of the attribute as a date or null if the attribute isn't of type date.
      Returns:
      the value as a date

    • getNumericValue

      public double getNumericValue()
      Get the value of the attribute as a number or Utils.missingValue() if the attribute is not numeric.
      Returns:
      the value of the attribute as a number

    • getNominalOrStringValue

      public String getNominalOrStringValue()
      Get the value of the attribute as a string (nominal and string attribute) or null if the attribute is not nominal or string
      Returns:
      the value of the attribute as a string

    • init

      public void init(Environment env)
      Initialize this attribute spec by resolving any environment variables and setting up the date format (if necessary)
      Parameters:
      env - environment variables to use

    • toString

      public String toString()
      Return a nicely formatted string for display
      Overrides:
      toString in class Object
      Returns:
      a textual description

    • toStringInternal

      public String toStringInternal()