Package weka.filters.unsupervised.attribute

Class 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:
    Serialized Form

    • Constructor Detail

      • 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 Detail

      • 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()