de.unirostock.sems.XmlFileServer.backend

Interface StorageBackend

All Known Implementing Classes:

FileSystemStorage

public interface StorageBackend

Basic Interface for storage mechanism

Author:

mp487

Method Summary

Methods

Modifier and Type	Method and Description
boolean	exists(String modelId, String versionId) Checks if the specific model exists in the backend storage
InputStream	getModel(String modelId, String versionId) Gets a model from the backend storage
void	setModel(String modelId, String versionId, InputStream modelData) Puts a model into the backend storage

Method Detail

getModel

InputStream getModel(String modelId,
                   String versionId)
                     throws UnknownModelVersionException,
                            UnknownModelException

Gets a model from the backend storage

Parameters:

modelId -

versionId -

Returns:

modelData as InputStream

Throws:

UnknownModelVersionException, - UnknownModelException

UnknownModelVersionException

UnknownModelException

setModel

void setModel(String modelId,
            String versionId,
            InputStream modelData)
              throws ModelAlreadyExistsException,
                     IOException

Puts a model into the backend storage

Parameters:

modelId -

versionId -

modelData - as InputStream

Throws:

ModelAlreadyExistsException

IOException

exists

boolean exists(String modelId,
             String versionId)

Checks if the specific model exists in the backend storage

Parameters:

modelId -

versionId -

Returns:

true if the specific model exists, false if not