Package weka.core

Class AttributeLocator

    • Constructor Summary

      Constructors 
      Constructor Description
      AttributeLocator​(Instances data, int type)
      Initializes the AttributeLocator with the given data for the specified type of attribute.
      AttributeLocator​(Instances data, int type, int[] indices)
      initializes the AttributeLocator with the given data for the specified type of attribute.
      AttributeLocator​(Instances data, int type, int fromIndex, int toIndex)
      Initializes the AttributeLocator with the given data for the specified type of attribute.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int compareTo​(AttributeLocator o)
      Compares this object with the specified object for order.
      boolean equals​(java.lang.Object o)
      Indicates whether some other object is "equal to" this one.
      int getActualIndex​(int index)
      returns actual index in the Instances object.
      int[] getAllowedIndices()
      returns the indices that are allowed to check for the attribute type
      int[] getAttributeIndices()
      Returns the indices of the attributes.
      Instances getData()
      returns the underlying data
      AttributeLocator getLocator​(int index)
      Returns the AttributeLocator at the given index.
      int[] getLocatorIndices()
      Returns the indices of the AttributeLocator objects.
      java.lang.String getRevision()
      Returns the revision string.
      int getType()
      returns the type of attribute that is located
      java.lang.String toString()
      returns a string representation of this object
      • Methods inherited from class java.lang.Object

        getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Constructor Detail

      • AttributeLocator

        public AttributeLocator​(Instances data,
                                int type)
        Initializes the AttributeLocator with the given data for the specified type of attribute. Checks all attributes.
        Parameters:
        data - the data to work on
        type - the type of attribute to locate
      • AttributeLocator

        public AttributeLocator​(Instances data,
                                int type,
                                int fromIndex,
                                int toIndex)
        Initializes the AttributeLocator with the given data for the specified type of attribute. Checks only the given range.
        Parameters:
        data - the data to work on
        type - the type of attribute to locate
        fromIndex - the first index to inspect (including)
        toIndex - the last index to check (including)
      • AttributeLocator

        public AttributeLocator​(Instances data,
                                int type,
                                int[] indices)
        initializes the AttributeLocator with the given data for the specified type of attribute. Checks only the given attribute indices.
        Parameters:
        data - the data to work on
        type - the type of attribute to locate
        indices - the attribute indices to check
    • Method Detail

      • getType

        public int getType()
        returns the type of attribute that is located
        Returns:
        the type of attribute
      • getAllowedIndices

        public int[] getAllowedIndices()
        returns the indices that are allowed to check for the attribute type
        Returns:
        the indices that are checked for the attribute type
      • getData

        public Instances getData()
        returns the underlying data
        Returns:
        the underlying Instances object
      • getActualIndex

        public int getActualIndex​(int index)
        returns actual index in the Instances object.
        Parameters:
        index - the index in the m_AllowedIndices array
        Returns:
        the actual index in the instances object
      • getAttributeIndices

        public int[] getAttributeIndices()
        Returns the indices of the attributes. These indices are referring to the m_AllowedIndices array, not the actual indices in the Instances object.
        Returns:
        the indices of the attributes
        See Also:
        getActualIndex(int)
      • getLocatorIndices

        public int[] getLocatorIndices()
        Returns the indices of the AttributeLocator objects. These indices are referring to the m_AllowedIndices array, not the actual indices in the Instances object.
        Returns:
        the indices of the AttributeLocator objects
        See Also:
        getActualIndex(int)
      • getLocator

        public AttributeLocator getLocator​(int index)
        Returns the AttributeLocator at the given index. This index refers to the index of the m_AllowedIndices array, not the actual Instances object.
        Parameters:
        index - the index of the locator to retrieve
        Returns:
        the AttributeLocator at the given index
      • compareTo

        public int compareTo​(AttributeLocator o)
        Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object. Only type and indices are checked.
        Specified by:
        compareTo in interface java.lang.Comparable<AttributeLocator>
        Parameters:
        o - the object to compare with
        Returns:
        -1 if less than, 0 if equal, +1 if greater than the given object
      • equals

        public boolean equals​(java.lang.Object o)
        Indicates whether some other object is "equal to" this one. Only type and indices are checked.
        Overrides:
        equals in class java.lang.Object
        Parameters:
        o - the AttributeLocator to check for equality
        Returns:
        true if the AttributeLocators have the same type and indices
      • toString

        public java.lang.String toString()
        returns a string representation of this object
        Overrides:
        toString in class java.lang.Object
        Returns:
        a string representation
      • getRevision

        public java.lang.String getRevision()
        Returns the revision string.
        Specified by:
        getRevision in interface RevisionHandler
        Returns:
        the revision