cdac.medinfo.sdk.dcm30_04.services.nget.scp

Class NGetSCP

java.lang.Object

cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCP

cdac.medinfo.sdk.dcm30_04.services.nget.scp.NGetSCP

All Implemented Interfaces:

IProcessHandler

public class NGetSCP
extends SCP

NGetSCP works as a processor for NGet Service. The N-GET service is used by a DIMSE-service-user to retrieve Attribute values from a peer DIMSEservice-user. It is a confirmed service. It processes the arrived NGet Request and generates response. It processes the request according to the Service Class SOP ClassUID specified in request.

Field Summary

Fields inherited from class cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCP

objClientSession

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes all the currently executing sessions gracefully.
static NGetSCP	createInstance() Instantiates a new NGet SCP.
static NGetSCP	createInstance(ClientSession objClientSession) This method returns new object of NGet SCP.
IPairedCollection<EnumDataSource,IDataSource>	getDataSourceList() Retrieves the Data Source List.
void	onAssociateReceive(ClientSession objClientSession) This method notifies when Association Request, Associate Release Request or Abort is received from one of the SCUs.
void	onClose(ClientSession objClientSession) Closes client Session.
void	onConnect(ClientSession objClientSession) This method notifies when a new client connection is requested.
void	onServiceRequest(ClientSession objClientSession) This method notifies when a service related request is received.
DIMSEResponse	processRequest(DicomMessage objDicomMessage) This will give the response of NGet Request.
void	setDataSourceList(IPairedCollection<EnumDataSource,IDataSource> objSourceList) Sets the Data Source List.
void	start(java.lang.String strAETitle, int port) This method will Start the Server on the local host at the port specified.
void	start(java.lang.String strAETitle, java.lang.String strIP, int port) This method will Start the Server on given IP and at the port specified.
void	stopListening() Stops accepting new connection's from SCU's and continue to process already connected clients.

Methods inherited from class cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCP

onException

Methods inherited from class java.lang.Object

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

Method Detail

createInstance

public static NGetSCP createInstance(ClientSession objClientSession)

This method returns new object of NGet SCP.

Parameters:

objClientSession - object of Client session.

Returns:

NGetSCP object of NGet SCP.

createInstance

public static NGetSCP createInstance()

Instantiates a new NGet SCP.

Returns:

NGetSCP - instance of NGet SCP.

start

public void start(java.lang.String strAETitle,
         java.lang.String strIP,
         int port)
           throws java.io.IOException

This method will Start the Server on given IP and at the port specified.

Parameters:

strIP - IP at which Server has to be started.

strAETitle - value of AE Title for service provider.

port - at which Server has to be started.

Throws:

java.io.IOException - throws IOException if IO operation fails.

start

public void start(java.lang.String strAETitle,
         int port)
           throws java.io.IOException

This method will Start the Server on the local host at the port specified.

Parameters:

strAETitle - value of AE Title for service provider.

port - port at which Server has to be started at local host.

Throws:

java.io.IOException - throws IOException if IO operation fails.

getDataSourceList

public IPairedCollection<EnumDataSource,IDataSource> getDataSourceList()

Retrieves the Data Source List.

Returns:

IPairedCollection - collection of Data Source.

setDataSourceList

public void setDataSourceList(IPairedCollection<EnumDataSource,IDataSource> objSourceList)

Sets the Data Source List.

Parameters:

objSourceList - collection of Data Source.

processRequest

public DIMSEResponse processRequest(DicomMessage objDicomMessage)

This will give the response of NGet Request. It processes the request according to the Service Class SOP ClassUID specified in request.

Specified by:

processRequest in class SCP

Parameters:

objDicomMessage - object of DIMSE request.

Returns:

DIMSEResponse - instance of service response .

Throws:

java.io.IOException - if IO operation fails.

onAssociateReceive

public void onAssociateReceive(ClientSession objClientSession)

This method notifies when Association Request, Associate Release Request or Abort is received from one of the SCUs. If Association Request is received, Create Association Negotiator which negotiates the request with the existing default association and creates an AgreedAssociation which contains the negotiated association values. AssociationNegotiator returns the Association Response as AssociateAC when request is accepted or returns AssociateRQ is none of the values in Association Request are acceptable. If Associate Release Request is received, Create a Associate Release Response and send the response to the SCU using the respective ClientSession. If Abort is received, An Abort response must be generated and sent using ClientSession.

Parameters:

objClientSession - instance of Client Session.

onClose

public void onClose(ClientSession objClientSession)

Closes client Session.

Parameters:

objClientSession - Object of Client Session.

onConnect

public void onConnect(ClientSession objClientSession)

This method notifies when a new client connection is requested. A decision is to be made whether to accept or reject the connection.

Parameters:

objClientSession - object of client session.

onServiceRequest

public void onServiceRequest(ClientSession objClientSession)

This method notifies when a service related request is received. For Example, If C-Store-RQ is received, Create CStoreSCP using the ClientSession. Process the request using the CStoreSCP which actually serializes the DataSet on a Stream and returns a CStoreRSP containing the response. Send this response using the ClientSession.

Parameters:

objClientSession - object of Client Session.

See Also:

Object of Client Session.

stopListening

public void stopListening()

Stops accepting new connection's from SCU's and continue to process already connected clients.

close

public void close()

Closes all the currently executing sessions gracefully.