DependencyDescriptor (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.DependencyDescriptor

```
public class DependencyDescriptor
extends UniqueTupleDescriptor
```
DependencyDescriptor represents a persistent dependency between SQL objects, such as a TRIGGER being dependent on a TABLE. A DependencyDescriptor is stored in SYSDEPENDS as four separate columms corresponding to the getters of this class.

Field Summary

Fields
Modifier and Type	Field	Description
`private DependableFinder`	`dependentBloodhound`
`private UUID`	`dependentID`	public interface for this class is: public DependableFinder getDependentFinder(); public UUID getProviderID(); public DependableFinder getProviderFinder();
`private DependableFinder`	`providerBloodhound`
`private UUID`	`providerID`

Constructor Summary

Constructors
Constructor	Description
`DependencyDescriptor(UUID dependentID, DependableFinder dependentBloodhound, UUID providerID, DependableFinder providerBloodhound)`	Constructor for a DependencyDescriptor
`DependencyDescriptor(Dependent dependent, Provider provider)`	Constructor for a DependencyDescriptor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DependableFinder`	`getDependentFinder()`	Get the dependent's type for the dependency.
`DependableFinder`	`getProviderFinder()`	Get the provider's type for the dependency.
`UUID`	`getProviderID()`	Get the provider's ID for the dependency.
`UUID`	`getUUID()`	Get the dependent's ID for the dependency.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from class org.apache.derby.iapi.sql.dictionary.TupleDescriptor
getColumnDependableFinder, getDataDictionary, getDependableFinder, getDescriptorName, getDescriptorType, isPersistent, setDataDictionary

- Field Detail
  - dependentID
```
private final UUID dependentID
```
    public interface for this class is:
    1. public DependableFinder getDependentFinder();
    2. public UUID getProviderID();
    3. public DependableFinder getProviderFinder();
  - dependentBloodhound
```
private final DependableFinder dependentBloodhound
```
  - providerID
```
private final UUID providerID
```
  - providerBloodhound
```
private final DependableFinder providerBloodhound
```
- Constructor Detail
  - DependencyDescriptor
```
public DependencyDescriptor(Dependent dependent,
                            Provider provider)
```
    Constructor for a DependencyDescriptor
    
    Parameters:
    
    dependent - The Dependent
    
    provider - The Provider
  - DependencyDescriptor
```
public DependencyDescriptor(UUID dependentID,
                            DependableFinder dependentBloodhound,
                            UUID providerID,
                            DependableFinder providerBloodhound)
```
    Constructor for a DependencyDescriptor
    
    Parameters:
    
    dependentID - The Dependent ID
    
    dependentBloodhound - The bloodhound for finding the Dependent
    
    providerID - The Provider ID
    
    providerBloodhound - The bloodhound for finding the Provider
- Method Detail
  - getUUID
```
public UUID getUUID()
```
    Get the dependent's ID for the dependency.
    
    Specified by:
    
    getUUID in class UniqueTupleDescriptor
    
    Returns:
    
    The dependent's ID.
  - getDependentFinder
```
public DependableFinder getDependentFinder()
```
    Get the dependent's type for the dependency.
    
    Returns:
    
    The dependent's type.
  - getProviderID
```
public UUID getProviderID()
```
    Get the provider's ID for the dependency.
    
    Returns:
    
    The provider's ID.
  - getProviderFinder
```
public DependableFinder getProviderFinder()
```
    Get the provider's type for the dependency.
    
    Returns:
    
    The provider's type.

Class DependencyDescriptor

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

dependentID

dependentBloodhound

providerID

providerBloodhound

Constructor Detail

DependencyDescriptor

DependencyDescriptor

Method Detail

getUUID

getDependentFinder

getProviderID

getProviderFinder