Package org.apache.derby.impl.sql.depend

Class BasicDependency

java.lang.Object

org.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

Fields

Modifier and Type	Field	Description
private Dependent	dependent
private Provider	provider

Constructor Summary

Constructors

Constructor	Description
BasicDependency(Dependent d, Provider p)

Method Summary

Modifier and Type	Method	Description
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

private final Provider provider

dependent

private final 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