uk.ac.bbk.dcs.automed.qproc.reformulate
Class ReformulationUtility

java.lang.Object
  uk.ac.bbk.dcs.automed.qproc.reformulate.ReformulationUtility

public class ReformulationUtility
extends java.lang.Object

Constructor Summary

ReformulationUtility()

Method Summary

static Cell	getDefaultQuery(int rangeSemantics)
private static Cell	mergeViews(Cell view1, Cell view2)
static Cell	mergeViews(Cell view1, Cell view2, int rangeSemantics) merge: RangexRange -> Range merge (Range e11 e12) (Range e21 e22) = Range (union e11 e21) (intersect e12 e22)
static void	updateSchemaRef(Cell n, Schema aSchema) Forces the schema reference for a Cell tree to the given schema.
static void	updateSchemeInfo(Cell c, Schema cellSchema) Helper method for updateSchemeInfo(SchemeInfo, Schema).
static void	updateSchemeInfo(SchemeInfo si, Schema cellSchema) Update a Scheme info by contacting low-level SchemaObject API.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReformulationUtility

public ReformulationUtility()

Method Detail

mergeViews

public static Cell mergeViews(Cell view1,
                              Cell view2,
                              int rangeSemantics)

    merge: RangexRange -> Range 
    merge (Range e11 e12) (Range e21 e22) = Range (union e11 e21) (intersect e12 e22)
 

Parameters:

view1 -

view2 -

rangeSemantics -

Returns:

mergeViews

private static Cell mergeViews(Cell view1,
                               Cell view2)

updateSchemeInfo

public static void updateSchemeInfo(SchemeInfo si,
                                    Schema cellSchema)
                             throws NotFoundException

Update a Scheme info by contacting low-level SchemaObject API. This method provides a scheme info with all the information stored about an object in the repository.

Parameters:

si - SchemeInfo object to be updated

cellSchema - Schema on which the SchemeInfo object is to be asserted.

Throws:

NotFoundException - Thrown if the SchemaObject with the given SchemeInfo does not exist in the given Schema.

updateSchemeInfo

public static void updateSchemeInfo(Cell c,
                                    Schema cellSchema)
                             throws NotFoundException

Helper method for updateSchemeInfo(SchemeInfo, Schema). It treats the Cell object as a tree and updates all the SchemeInfo objects found in the tree.

Parameters:

c - Root cell of the tree

cellSchema - {link updateSchemeInfo(SchemeInfo, Schema)

Throws:

NotFoundException

updateSchemaRef

public static void updateSchemaRef(Cell n,
                                   Schema aSchema)

Forces the schema reference for a Cell tree to the given schema.

Parameters:

n - Root cell of a comprehension or Cell tree.

aSchema - New schema reference.

getDefaultQuery

public static Cell getDefaultQuery(int rangeSemantics)