SubCheckConstraintDescriptor (Apache Derby V10.14 Internals)

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 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

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

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

- 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

Class SubCheckConstraintDescriptor

Field Summary

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

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

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

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

Field Detail

referencedColumns

constraintText

Constructor Detail

SubCheckConstraintDescriptor

Method Detail

getConstraintText

getReferencedColumnsDescriptor

hasBackingIndex

toString