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

java.lang.Object
  org.apache.derby.iapi.sql.dictionary.TupleDescriptor
      org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor
          org.apache.derby.iapi.sql.dictionary.SubCheckConstraintDescriptor

All Implemented Interfaces:

UniqueTupleDescriptor

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

private java.lang.String	constraintText
private ReferencedColumns	referencedColumns public interface to this class: public String getConstraintText(); public ReferencedColumns getReferencedColumnsDescriptor();

Fields inherited from class org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor

constraintId, td

Constructor Summary

SubCheckConstraintDescriptor(UUID constraintId, java.lang.String constraintText, ReferencedColumns referencedColumns)
Constructor for a SubCheckConstraintDescriptor

Method Summary

java.lang.String	getConstraintText() Get the text of the check constraint definition.
ReferencedColumns	getReferencedColumnsDescriptor() Get the ReferencedColumns.
boolean	hasBackingIndex() Does this constraint have a backing index?
java.lang.String	toString() Convert the SubCheckConstraintDescriptor to a String.

Methods inherited from class org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor

getTableDescriptor, getUUID, setConstraintId, setTableDescriptor

Methods inherited from class org.apache.derby.iapi.sql.dictionary.TupleDescriptor

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

Methods inherited from class java.lang.Object

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

Field Detail

referencedColumns

private ReferencedColumns referencedColumns

public interface to this class:

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

constraintText

private java.lang.String constraintText

Constructor Detail

SubCheckConstraintDescriptor

public SubCheckConstraintDescriptor(UUID constraintId,
                                    java.lang.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 Detail

getConstraintText

public java.lang.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 java.lang.String toString()

Convert the SubCheckConstraintDescriptor to a String.

Overrides:

toString in class SubConstraintDescriptor

Returns:

A String representation of this SubCheckConstraintDescriptor