org.apache.derby.iapi.sql.dictionary

Class DependencyDescriptor

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.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and 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 org.apache.derby.iapi.sql.dictionary.TupleDescriptor

getDescriptorName, getDescriptorType, isPersistent

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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.