edu.cmu.aura.service.db
Class DataSinkStub

java.lang.Object
  |
  +--edu.cmu.aura.service.rpc.GenericStub
        |
        +--edu.cmu.aura.service.db.DataSinkStub

All Implemented Interfaces:

DataSink, java.rmi.Remote

public class DataSinkStub

extends edu.cmu.aura.service.rpc.GenericStub

implements DataSink

Provides an implementation of the DataSink interface that may be used to update a database.

Constructor Summary

DataSinkStub(edu.cmu.aura.service.rpc.RemoteReference dest)

DataSinkStub(java.lang.String hostName, int port)

Method Summary

void	delete(java.lang.String serviceName, java.util.ArrayList keyVal) Delete an entry from the service database.
void	insert(java.lang.String serviceName, java.util.ArrayList attribs) Insert an entry into the service database.
void	update(java.lang.String serviceName, java.util.ArrayList keyVal, java.util.ArrayList attribs) Update an entry's attributes in the service database.

Methods inherited from class edu.cmu.aura.service.rpc.GenericStub

setDest

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSinkStub

public DataSinkStub(java.lang.String hostName,
                    int port)

DataSinkStub

public DataSinkStub(edu.cmu.aura.service.rpc.RemoteReference dest)

Method Detail

update

public void update(java.lang.String serviceName,
                   java.util.ArrayList keyVal,
                   java.util.ArrayList attribs)
            throws ServiceException,
                   java.rmi.RemoteException

Update an entry's attributes in the service database. A new entry will be created if one matching the keyVal is not found.

Specified by:

update in interface DataSink

Parameters:

serviceName - name of the service to update

keyVal - key value of the entry to update

attribs - updated attributes

ServiceException

java.rmi.RemoteException

insert

public void insert(java.lang.String serviceName,
                   java.util.ArrayList attribs)
            throws ServiceException,
                   java.rmi.RemoteException

Insert an entry into the service database. An error will occur if the entry already exists. When no entry exists, this function has the same effect as calling update, but requires one less argument.

Specified by:

insert in interface DataSink

Parameters:

serviceName - name of the service to insert into

attribs - updated attributes

ServiceException

java.rmi.RemoteException

delete

public void delete(java.lang.String serviceName,
                   java.util.ArrayList keyVal)
            throws ServiceException,
                   java.rmi.RemoteException

Delete an entry from the service database.

Specified by:

delete in interface DataSink

Parameters:

serviceName - name of the service to delete from

keyVal - key value of entry to delete

ServiceException

java.rmi.RemoteException