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org.jdaemon.era.xml.alt
Class AbstractXMLCube  

java.lang.Object
  java.util.AbstractCollection
      org.jdaemon.era.AbstractCube
          org.jdaemon.era.xml.alt.AbstractXMLCube

All Implemented Interfaces:

java.util.Collection, org.jdaemon.era.Cube, java.lang.Iterable, XMLCube, org.jdaemon.util.xml.XMLWritable

Direct Known Subclasses:

DOMCube, FilteredXMLCube

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public abstract class AbstractXMLCube

extends org.jdaemon.era.AbstractCube

implements XMLCube

Abstract base from XML Cubes

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Nested Class Summary

 

Nested classes inherited from class org.jdaemon.era.AbstractCube

 

Field Summary
private  XMLCubeDescriptor	descriptor

 

Fields inherited from class org.jdaemon.era.AbstractCube

 

Fields inherited from interface org.jdaemon.era.Cube

EQUAL, GREATER, GREATER_OR_EQUAL, LAST_OPERAND, LESS, LESS_OR_EQUAL

 

Constructor Summary

AbstractXMLCube(XMLCubeDescriptor descriptor)

 

Method Summary
org.jdaemon.era.Cube	constrain(java.lang.String attribute, int operator, java.lang.Object operand)           Creates a new cube containing some subset of the contents of this cube.
protected  org.w3c.dom.Document	createDocument()
java.lang.Object	getAttribute(java.lang.String attribute, java.lang.Object object)           Get the value of an individual attribute of an object contained by this cube.
org.jdaemon.era.CubeDescriptor	getDescriptor()           Get metadata describing this cube.
protected abstract  org.w3c.dom.Document	getDocument()
java.util.Iterator	iterator()           Get an iterator over all objects contained by this cube.
abstract  void	write(javax.xml.transform.Result result)           Write XML to a result object
protected  void	writeDocument(javax.xml.transform.Result result)

 

Methods inherited from class org.jdaemon.era.AbstractCube

addAll, constrain, getAttributeSet, getComparator, getMax, getMin, getSum, groupBy, size, union

 

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface org.jdaemon.era.Cube

addAll, constrain, getAttributeSet, getMax, getMin, getSum, groupBy, union

 

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, remove, removeAll, retainAll, size, toArray, toArray

 

Field Detail

descriptor

private XMLCubeDescriptor descriptor

Constructor Detail

AbstractXMLCube

public AbstractXMLCube(XMLCubeDescriptor descriptor)

Method Detail

getDocument

protected abstract org.w3c.dom.Document getDocument()
                                             throws javax.xml.transform.TransformerException

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write

public abstract void write(javax.xml.transform.Result result)
                    throws javax.xml.transform.TransformerException

Description copied from interface: org.jdaemon.util.xml.XMLWritable

Write XML to a result object

Specified by:

write in interface org.jdaemon.util.xml.XMLWritable

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createDocument

protected org.w3c.dom.Document createDocument()
                                       throws javax.xml.transform.TransformerException,
                                              javax.xml.parsers.ParserConfigurationException

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writeDocument

protected void writeDocument(javax.xml.transform.Result result)
                      throws javax.xml.transform.TransformerException

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constrain

public org.jdaemon.era.Cube constrain(java.lang.String attribute,
                                      int operator,
                                      java.lang.Object operand)

Description copied from interface: org.jdaemon.era.Cube

Creates a new cube containing some subset of the contents of this cube. The constrain(attribute, operator, operand) method provides a way to generate standardised subsets of the data contained in the cube. The subset is formed by comparing the named attribute in all contained obects with the given operand. The comparison method is defined by operator, which should be one of the symbolic constants defined above: LESS, GREATER, EQUAL, LESS_OR_EQUAL, GREATER_OR_EQUAL

Specified by:

constrain in interface org.jdaemon.era.Cube

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getAttribute

public java.lang.Object getAttribute(java.lang.String attribute,
                                     java.lang.Object object)

Get the value of an individual attribute of an object contained by this cube. Note requirements:

object parameter must point to a row element row element must contain only cell elements cell element must have text element as first child

Specified by:

getAttribute in interface org.jdaemon.era.Cube

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getDescriptor

public org.jdaemon.era.CubeDescriptor getDescriptor()

Get metadata describing this cube.

Specified by:

getDescriptor in interface org.jdaemon.era.Cube

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iterator

public java.util.Iterator iterator()

Description copied from interface: org.jdaemon.era.Cube

Get an iterator over all objects contained by this cube.

Specified by:

iterator in interface org.jdaemon.era.Cube

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