org.tentackle.persist

Class DbOperationClassVariables<P extends AbstractDbOperation<P>>

java.lang.Object

org.tentackle.persist.DbOperationClassVariables<P>

Type Parameters:

P - the persistent operation class

Direct Known Subclasses:

PersistentOperationClassVariables

public class DbOperationClassVariables<P extends AbstractDbOperation<P>>
extends Object

Holds static class variables for classes derived from AbstractDbOperation. This is a "singleton per class".

Author:

harald

Field Summary

Fields

Modifier and Type	Field and Description
String	className the full classname.
Class<P>	clazz the class.
int	remoteDelegateId ID for the remote delegate for this class.

Constructor Summary

Constructors

Constructor and Description
DbOperationClassVariables(Class<P> clazz) constructs a classvariable.

Method Summary

Modifier and Type	Method and Description
org.tentackle.persist.rmi.AbstractDbOperationRemoteDelegate<P>	getRemoteDelegate(Db db) Gets the RemoteDelegate for the class and db.
int	getRemoteDelegateId() Gets the delegateId of the class, i.e.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

clazz

public final Class<P extends AbstractDbOperation<P>> clazz

the class.

className

public final String className

the full classname.

remoteDelegateId

public int remoteDelegateId

ID for the remote delegate for this class.

Constructor Detail

DbOperationClassVariables

public DbOperationClassVariables(Class<P> clazz)

constructs a classvariable. Throws IllegalStateException if already constructed.

Parameters:

clazz - is the class of the derived AbstractDbOperation

Method Detail

getRemoteDelegateId

public int getRemoteDelegateId()

Gets the delegateId of the class, i.e. subclass of AbstractDbOperation. If the remoteDelegateId is 0, it will be prepared The delegateId is unique for each class. It is valid only in remote connections and is the same for all remote Db's. The RMI-server creates a delegate for each subclass of AbstractDbOperation (DbOperationRemoteDelegateImpl resp.)

Returns:

the delegate id

getRemoteDelegate

public org.tentackle.persist.rmi.AbstractDbOperationRemoteDelegate<P> getRemoteDelegate(Db db)

Gets the RemoteDelegate for the class and db.

Parameters:

db - the db connection

Returns:

the delegate

toString

public String toString()

Overrides:

toString in class Object