org.apache.derby.impl.sql.depend
Class BasicDependency

java.lang.Object
  extended byorg.apache.derby.impl.sql.depend.BasicDependency
All Implemented Interfaces:
Dependency

class BasicDependency
extends java.lang.Object
implements Dependency

A dependency represents a reliance of the dependent on the provider for some information the dependent contains or uses. In Language, the usual case is a prepared statement using information about a schema object in its executable form. It needs to be notified if the schema object changes, so that it can recompile against the new information.


Field Summary
protected  Dependent dependent
           
protected  Provider provider
           
 
Constructor Summary
(package private) BasicDependency(Dependent d, Provider p)
           
 
Method Summary
 Dependent getDependent()
          return the dependent for this dependency.
 Provider getProvider()
          return the provider for this dependency.
 UUID getProviderKey()
          return the provider's key for this dependency.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

provider

protected Provider provider

dependent

protected Dependent dependent
Constructor Detail

BasicDependency

BasicDependency(Dependent d,
                Provider p)
Method Detail

getProviderKey

public UUID getProviderKey()
return the provider's key for this dependency.

Specified by:
getProviderKey in interface Dependency
Returns:
the provider' key for this dependency

getProvider

public Provider getProvider()
return the provider for this dependency.

Specified by:
getProvider in interface Dependency
Returns:
the provider for this dependency

getDependent

public Dependent getDependent()
return the dependent for this dependency.

Specified by:
getDependent in interface Dependency
Returns:
the dependent for this dependency


Apache Derby V10.0 Engine Documentation - Copyright © 1997,2004 The Apache Software Foundation or its licensors, as applicable.