XMLInstances

java.lang.Object
- weka.core.xml.XMLDocument
- - weka.core.xml.XMLInstances

All Implemented Interfaces:

java.io.Serializable, RevisionHandler
```
public class XMLInstances
extends XMLDocument
implements java.io.Serializable
```
XML representation of the Instances class.

Version:

$Revision: 1.4 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static java.lang.String`	`ATT_CLASS` the class attribute
`static java.lang.String`	`ATT_FORMAT` the format attribute (for date attributes)
`static java.lang.String`	`ATT_INDEX` the index attribute
`static java.lang.String`	`ATT_MISSING` the missing attribute
`static java.lang.String`	`ATT_TYPE` the type attribute
`static java.lang.String`	`ATT_VERSION` the version attribute
`static java.lang.String`	`ATT_WEIGHT` the weight attribute
`static java.lang.String`	`DOCTYPE` the DTD
`static java.lang.String`	`FILE_EXTENSION` The filename extension that should be used for xrff files
`static java.lang.String`	`TAG_ATTRIBUTE` the attribute element
`static java.lang.String`	`TAG_ATTRIBUTES` the attributes element
`static java.lang.String`	`TAG_BODY` the body element
`static java.lang.String`	`TAG_DATASET` the root element
`static java.lang.String`	`TAG_HEADER` the header element
`static java.lang.String`	`TAG_INSTANCE` the instance element
`static java.lang.String`	`TAG_INSTANCES` the data element
`static java.lang.String`	`TAG_LABEL` the label element
`static java.lang.String`	`TAG_LABELS` the labels element
`static java.lang.String`	`TAG_METADATA` the meta-data element
`static java.lang.String`	`TAG_NOTES` the notes element
`static java.lang.String`	`TAG_PROPERTY` the property element
`static java.lang.String`	`TAG_VALUE` the value element
`static java.lang.String`	`VAL_DATE` the value for date
`static java.lang.String`	`VAL_NOMINAL` the value for nominal
`static java.lang.String`	`VAL_NORMAL` the value for normal
`static java.lang.String`	`VAL_NUMERIC` the value for numeric
`static java.lang.String`	`VAL_RELATIONAL` the value for relational
`static java.lang.String`	`VAL_SPARSE` the value for sparse
`static java.lang.String`	`VAL_STRING` the value for string

Fields inherited from class weka.core.xml.XMLDocument
ATT_NAME, DTD_ANY, DTD_AT_LEAST_ONE, DTD_ATTLIST, DTD_CDATA, DTD_DOCTYPE, DTD_ELEMENT, DTD_IMPLIED, DTD_OPTIONAL, DTD_PCDATA, DTD_REQUIRED, DTD_SEPARATOR, DTD_ZERO_OR_MORE, PI, VAL_NO, VAL_YES

Constructor Summary

Constructors
Constructor and Description
`XMLInstances()` the default constructor
`XMLInstances(Instances data)` generates the XML structure based on the given data
`XMLInstances(java.io.Reader reader)` generates the Instances directly from the reader containing the XML data.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Instances`	`getInstances()` returns the current instances, either the ones that were set or the ones that were generated from the XML structure.
`java.lang.String`	`getRevision()` Returns the revision string.
`static void`	`main(java.lang.String[] args)` takes an XML document as first argument and then outputs the Instances statistics
`void`	`setInstances(Instances data)` builds up the XML structure based on the given data
`void`	`setXML(java.io.Reader reader)` reads the XML structure from the given reader

Methods inherited from class weka.core.xml.XMLDocument
clear, evalBoolean, evalDouble, evalString, findNodes, getBuilder, getChildTags, getChildTags, getContent, getDocType, getDocument, getFactory, getNode, getRootNode, getValidating, newDocument, print, read, read, read, read, setDocType, setDocument, setRootNode, setValidating, toString, write, write, write, write

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - FILE_EXTENSION
```
public static java.lang.String FILE_EXTENSION
```
    The filename extension that should be used for xrff files
  - TAG_DATASET
```
public static final java.lang.String TAG_DATASET
```
    the root element
    
    See Also:
    
    Constant Field Values
  - TAG_HEADER
```
public static final java.lang.String TAG_HEADER
```
    the header element
    
    See Also:
    
    Constant Field Values
  - TAG_BODY
```
public static final java.lang.String TAG_BODY
```
    the body element
    
    See Also:
    
    Constant Field Values
  - TAG_NOTES
```
public static final java.lang.String TAG_NOTES
```
    the notes element
    
    See Also:
    
    Constant Field Values
  - TAG_ATTRIBUTES
```
public static final java.lang.String TAG_ATTRIBUTES
```
    the attributes element
    
    See Also:
    
    Constant Field Values
  - TAG_ATTRIBUTE
```
public static final java.lang.String TAG_ATTRIBUTE
```
    the attribute element
    
    See Also:
    
    Constant Field Values
  - TAG_LABELS
```
public static final java.lang.String TAG_LABELS
```
    the labels element
    
    See Also:
    
    Constant Field Values
  - TAG_LABEL
```
public static final java.lang.String TAG_LABEL
```
    the label element
    
    See Also:
    
    Constant Field Values
  - TAG_METADATA
```
public static final java.lang.String TAG_METADATA
```
    the meta-data element
    
    See Also:
    
    Constant Field Values
  - TAG_PROPERTY
```
public static final java.lang.String TAG_PROPERTY
```
    the property element
    
    See Also:
    
    Constant Field Values
  - TAG_INSTANCES
```
public static final java.lang.String TAG_INSTANCES
```
    the data element
    
    See Also:
    
    Constant Field Values
  - TAG_INSTANCE
```
public static final java.lang.String TAG_INSTANCE
```
    the instance element
    
    See Also:
    
    Constant Field Values
  - TAG_VALUE
```
public static final java.lang.String TAG_VALUE
```
    the value element
    
    See Also:
    
    Constant Field Values
  - ATT_VERSION
```
public static final java.lang.String ATT_VERSION
```
    the version attribute
    
    See Also:
    
    Constant Field Values
  - ATT_TYPE
```
public static final java.lang.String ATT_TYPE
```
    the type attribute
    
    See Also:
    
    Constant Field Values
  - ATT_FORMAT
```
public static final java.lang.String ATT_FORMAT
```
    the format attribute (for date attributes)
    
    See Also:
    
    Constant Field Values
  - ATT_CLASS
```
public static final java.lang.String ATT_CLASS
```
    the class attribute
    
    See Also:
    
    Constant Field Values
  - ATT_INDEX
```
public static final java.lang.String ATT_INDEX
```
    the index attribute
    
    See Also:
    
    Constant Field Values
  - ATT_WEIGHT
```
public static final java.lang.String ATT_WEIGHT
```
    the weight attribute
    
    See Also:
    
    Constant Field Values
  - ATT_MISSING
```
public static final java.lang.String ATT_MISSING
```
    the missing attribute
    
    See Also:
    
    Constant Field Values
  - VAL_NUMERIC
```
public static final java.lang.String VAL_NUMERIC
```
    the value for numeric
    
    See Also:
    
    Constant Field Values
  - VAL_DATE
```
public static final java.lang.String VAL_DATE
```
    the value for date
    
    See Also:
    
    Constant Field Values
  - VAL_NOMINAL
```
public static final java.lang.String VAL_NOMINAL
```
    the value for nominal
    
    See Also:
    
    Constant Field Values
  - VAL_STRING
```
public static final java.lang.String VAL_STRING
```
    the value for string
    
    See Also:
    
    Constant Field Values
  - VAL_RELATIONAL
```
public static final java.lang.String VAL_RELATIONAL
```
    the value for relational
    
    See Also:
    
    Constant Field Values
  - VAL_NORMAL
```
public static final java.lang.String VAL_NORMAL
```
    the value for normal
    
    See Also:
    
    Constant Field Values
  - VAL_SPARSE
```
public static final java.lang.String VAL_SPARSE
```
    the value for sparse
    
    See Also:
    
    Constant Field Values
  - DOCTYPE
```
public static final java.lang.String DOCTYPE
```
    the DTD
- Constructor Detail
  - XMLInstances
```
public XMLInstances()
             throws java.lang.Exception
```
    the default constructor
    
    Throws:
    
    java.lang.Exception - if XML initialization fails
  - XMLInstances
```
public XMLInstances(Instances data)
             throws java.lang.Exception
```
    generates the XML structure based on the given data
    
    Parameters:
    
    data - the data to build the XML structure from
    
    Throws:
    
    java.lang.Exception - if initialization/generation fails
  - XMLInstances
```
public XMLInstances(java.io.Reader reader)
             throws java.lang.Exception
```
    generates the Instances directly from the reader containing the XML data.
    
    Parameters:
    
    reader - the reader for the XML data
    
    Throws:
    
    java.lang.Exception - if something goes wrong
- Method Detail
  - setInstances
```
public void setInstances(Instances data)
```
    builds up the XML structure based on the given data
    
    Parameters:
    
    data - data to generate the XML from
  - getInstances
```
public Instances getInstances()
```
    returns the current instances, either the ones that were set or the ones that were generated from the XML structure.
    
    Returns:
    
    the current instances
  - setXML
```
public void setXML(java.io.Reader reader)
            throws java.lang.Exception
```
    reads the XML structure from the given reader
    
    Parameters:
    
    reader - the reader to get the XML from
    
    Throws:
    
    java.lang.Exception - if
  - getRevision
```
public java.lang.String getRevision()
```
    Returns the revision string.
    
    Specified by:
    
    getRevision in interface RevisionHandler
    
    Overrides:
    
    getRevision in class XMLDocument
    
    Returns:
    
    the revision
  - main
```
public static void main(java.lang.String[] args)
```
    takes an XML document as first argument and then outputs the Instances statistics
    
    Parameters:
    
    args - the commandline options

Class XMLInstances

Field Summary

Fields inherited from class weka.core.xml.XMLDocument

Constructor Summary

Method Summary

Methods inherited from class weka.core.xml.XMLDocument

Methods inherited from class java.lang.Object

Field Detail

FILE_EXTENSION

TAG_DATASET

TAG_HEADER

TAG_BODY

TAG_NOTES

TAG_ATTRIBUTES

TAG_ATTRIBUTE

TAG_LABELS

TAG_LABEL

TAG_METADATA

TAG_PROPERTY

TAG_INSTANCES

TAG_INSTANCE

TAG_VALUE

ATT_VERSION

ATT_TYPE

ATT_FORMAT

ATT_CLASS

ATT_INDEX

ATT_WEIGHT

ATT_MISSING

VAL_NUMERIC

VAL_DATE

VAL_NOMINAL

VAL_STRING

VAL_RELATIONAL

VAL_NORMAL

VAL_SPARSE

DOCTYPE

Constructor Detail

XMLInstances

XMLInstances

XMLInstances

Method Detail

setInstances

getInstances

setXML

getRevision

main