com.metamatrix.query.sql.proc
Class TranslateCriteria

java.lang.Object
  com.metamatrix.query.sql.lang.Criteria
      com.metamatrix.query.sql.lang.PredicateCriteria
          com.metamatrix.query.sql.proc.TranslateCriteria

All Implemented Interfaces:

LanguageObject, java.io.Serializable, java.lang.Cloneable

public class TranslateCriteria
extends PredicateCriteria

This object represents the criteria used in the stored procedure language that translates the portion of the user's criteria by doing symbol mapping to the elements of the physical group that defines the virtual group and translating the user's criteria using the element-expressions pairs represented as a list of comapreCriteria on this this object.

See Also:

Serialized Form

Constructor Summary

TranslateCriteria()
Constructor for TranslateCriteria.

TranslateCriteria(CriteriaSelector selector)
Constructor for TranslateCriteria.

TranslateCriteria(CriteriaSelector selector, java.util.List translations)
Constructor for TranslateCriteria.

Method Summary

void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
void	addTranslation(CompareCriteria criteria) Add a comparecriteria(element-value pair) to the list used to translate the user's criteria.
java.lang.Object	clone() Deep clone statement to produce a new identical statement.
boolean	equals(java.lang.Object obj) Compare two TranslateCriteria for equality.
CriteriaSelector	getSelector() Get the CriteriaSelector
java.util.List	getTranslations() Get a list of comparecriteria(element-value pairs) used to translate the user's criteria.
int	hashCode() Get hashcode for TranslateCriteria.
boolean	hasTranslations() Return a boolean indicating if the object has any translations.
void	setSelector(CriteriaSelector selector) Set the CriteriaSelector
void	setTranslations(java.util.List translations) Set a list of comparecriteria(element-value pairs) used to translate the user's criteria.
java.lang.String	toString() Returns a string representation of an instance of this class.

Methods inherited from class com.metamatrix.query.sql.lang.Criteria

combineCriteria, combineCriteria, combineCriteria, separateCriteriaByAnd, toConjunctiveNormalForm, toDisjunctiveNormalForm

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TranslateCriteria

public TranslateCriteria()

Constructor for TranslateCriteria.

TranslateCriteria

public TranslateCriteria(CriteriaSelector selector)

Constructor for TranslateCriteria.

Parameters:

selector - The CriteriaSelector of this obj

TranslateCriteria

public TranslateCriteria(CriteriaSelector selector,
                         java.util.List translations)

Constructor for TranslateCriteria.

Parameters:

selector - The CriteriaSelector of this obj

critCollect - A list of comparecriteria used to translate user's criteria

Method Detail

getSelector

public CriteriaSelector getSelector()

Get the CriteriaSelector

Returns:

CriteriaSelector of this obj

setSelector

public void setSelector(CriteriaSelector selector)

Set the CriteriaSelector

Parameters:

selector - The CriteriaSelector of this obj

hasTranslations

public boolean hasTranslations()

Return a boolean indicating if the object has any translations.

Returns:

A boolean indicating if the object has any translations

setTranslations

public void setTranslations(java.util.List translations)

Set a list of comparecriteria(element-value pairs) used to translate the user's criteria.

Parameters:

critCollect - A list of criteria used to translate user's criteria

addTranslation

public void addTranslation(CompareCriteria criteria)

Add a comparecriteria(element-value pair) to the list used to translate the user's criteria.

Parameters:

criteria - A ComapareCriteria object to be added to a collection

getTranslations

public java.util.List getTranslations()

Get a list of comparecriteria(element-value pairs) used to translate the user's criteria.

Returns:

A list of criteria used to translate user's criteria

acceptVisitor

public void acceptVisitor(LanguageVisitor visitor)

Description copied from interface: LanguageObject

Method for accepting a visitor. It is the responsibility of the language object to call back on the visitor.

Parameters:

visitor - Visitor being used

clone

public java.lang.Object clone()

Deep clone statement to produce a new identical statement.

Specified by:

clone in interface LanguageObject

Specified by:

clone in class PredicateCriteria

Returns:

Deep clone

equals

public boolean equals(java.lang.Object obj)

Compare two TranslateCriteria for equality. They will only evaluate to equal if they are IDENTICAL: the criteriaSelectors are equal.

Overrides:

equals in class java.lang.Object

Parameters:

obj - Other object

Returns:

True if equal

hashCode

public int hashCode()

Get hashcode for TranslateCriteria. WARNING: This hash code relies on the hash code of the criteria selector on this object. Hash code is only valid after the object has been completely constructed.

Overrides:

hashCode in class java.lang.Object

Returns:

Hash code

toString

public java.lang.String toString()

Returns a string representation of an instance of this class.

Overrides:

toString in class Criteria

Returns:

String representation of object