Class SubCheckConstraintDescriptor

java.lang.Object

org.apache.derby.iapi.sql.dictionary.TupleDescriptor

org.apache.derby.iapi.sql.dictionary.UniqueTupleDescriptor

org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor

org.apache.derby.iapi.sql.dictionary.SubCheckConstraintDescriptor

public class SubCheckConstraintDescriptor
extends SubConstraintDescriptor

This interface is used to get information from a SubCheckConstraintDescriptor. A SubCheckConstraintDescriptor is used within the DataDictionary to get auxiliary constraint information from the system table that is auxiliary to sysconstraints.

Version:

0.1

Field Summary

Fields

Modifier and Type	Field	Description
private String	constraintText
private ReferencedColumns	referencedColumns	public interface to this class: public String getConstraintText(); public ReferencedColumns getReferencedColumnsDescriptor();

Fields inherited from class SubConstraintDescriptor

constraintId, td

Constructor Summary

Constructors

Constructor	Description
SubCheckConstraintDescriptor(UUID constraintId, String constraintText, ReferencedColumns referencedColumns)	Constructor for a SubCheckConstraintDescriptor

Method Summary

Modifier and Type	Method	Description
String	getConstraintText()	Get the text of the check constraint definition.
ReferencedColumns	getReferencedColumnsDescriptor()	Get the ReferencedColumns.
boolean	hasBackingIndex()	Does this constraint have a backing index?
String	toString()	Convert the SubCheckConstraintDescriptor to a String.

Methods inherited from class SubConstraintDescriptor

getTableDescriptor, getUUID, setConstraintId, setTableDescriptor

Methods inherited from class TupleDescriptor

getColumnDependableFinder, getDataDictionary, getDependableFinder, getDescriptorName, getDescriptorType, isPersistent, setDataDictionary

Methods inherited from class Object

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

Field Details

referencedColumns

private ReferencedColumns referencedColumns

public interface to this class:

1. public String getConstraintText();
2. public ReferencedColumns getReferencedColumnsDescriptor();

constraintText

private String constraintText

Constructor Details

SubCheckConstraintDescriptor

public SubCheckConstraintDescriptor(UUID constraintId,
 String constraintText,
 ReferencedColumns referencedColumns)

Constructor for a SubCheckConstraintDescriptor

Parameters:

constraintId - The UUID of the constraint.

constraintText - The text of the constraint definition.

referencedColumns - The columns referenced by the check constraint

Method Details

getConstraintText

public String getConstraintText()

Get the text of the check constraint definition.

Returns:

The text of the check constraint definition.

getReferencedColumnsDescriptor

public ReferencedColumns getReferencedColumnsDescriptor()

Get the ReferencedColumns.

Returns:

The ReferencedColumns.

hasBackingIndex

public boolean hasBackingIndex()

Does this constraint have a backing index?

Specified by:

hasBackingIndex in class SubConstraintDescriptor

Returns:

boolean Whether or not there is a backing index for this constraint.

toString

public String toString()

Convert the SubCheckConstraintDescriptor to a String.

Overrides:

toString in class SubConstraintDescriptor

Returns:

A String representation of this SubCheckConstraintDescriptor