/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hp.hpl.jena.update;
import com.hp.hpl.jena.query.ARQ ;
import com.hp.hpl.jena.query.QuerySolution ;
import com.hp.hpl.jena.sparql.engine.binding.Binding ;
import com.hp.hpl.jena.sparql.engine.binding.BindingUtils ;
import com.hp.hpl.jena.sparql.modify.UpdateEngineFactory ;
import com.hp.hpl.jena.sparql.modify.UpdateEngineRegistry ;
import com.hp.hpl.jena.sparql.modify.UpdateProcessRemote ;
import com.hp.hpl.jena.sparql.modify.UpdateProcessorBase ;
import com.hp.hpl.jena.sparql.util.Context ;
/** Create UpdateProcessors (one-time executions of a SPARQL Update request) */
public class UpdateExecutionFactory
{
/** Create an UpdateProcessor appropriate to the GraphStore, or null if no available factory to make an UpdateProcessor
* @param update
* @param graphStore
* @return UpdateProcessor or null
*/
public static UpdateProcessor create(Update update, GraphStore graphStore)
{
return create(update, graphStore, (Binding)null) ;
}
/** Create an UpdateProcessor appropriate to the GraphStore, or null if no available factory to make an UpdateProcessor
* @param update
* @param graphStore
* @param initialSolution
* @return UpdateProcessor or null
*/
public static UpdateProcessor create(Update update, GraphStore graphStore, QuerySolution initialSolution)
{
return create(new UpdateRequest(update), graphStore, initialSolution) ;
}
/** Create an UpdateProcessor appropriate to the GraphStore, or null if no available factory to make an UpdateProcessor
* @param update
* @param graphStore
* @param initialBinding
* @return UpdateProcessor or null
*/
public static UpdateProcessor create(Update update, GraphStore graphStore, Binding initialBinding)
{
return create(new UpdateRequest(update), graphStore, initialBinding) ;
}
/** Create an UpdateProcessor appropriate to the GraphStore, or null if no available factory to make an UpdateProcessor
* @param updateRequest
* @param graphStore
* @return UpdateProcessor or null
*/
public static UpdateProcessor create(UpdateRequest updateRequest, GraphStore graphStore)
{
return create(updateRequest, graphStore, (Binding)null) ;
}
/** Create an UpdateProcessor appropriate to the GraphStore, or null if no available factory to make an UpdateProcessor
* @param updateRequest
* @param graphStore
* @param initialSolution
* @return UpdateProcessor or null
*/
public static UpdateProcessor create(UpdateRequest updateRequest, GraphStore graphStore, QuerySolution initialSolution)
{
return create(updateRequest, graphStore, BindingUtils.asBinding(initialSolution)) ;
}
/** Create an UpdateProcessor appropriate to the GraphStore, or null if no available factory to make an UpdateProcessor
* @param updateRequest
* @param graphStore
* @param initialBinding
* @return UpdateProcessor or null
*/
public static UpdateProcessor create(UpdateRequest updateRequest, GraphStore graphStore, Binding initialBinding)
{
return make(updateRequest, graphStore, initialBinding, null) ;
}
// Everything comes through here
private static UpdateProcessor make(UpdateRequest updateRequest, GraphStore graphStore, Binding initialBinding, Context context)
{
if ( context == null )
context = ARQ.getContext().copy();
UpdateEngineFactory f = UpdateEngineRegistry.get().find(updateRequest, graphStore, context) ;
if ( f == null )
return null ;
UpdateProcessorBase uProc = new UpdateProcessorBase(updateRequest, graphStore, context, f) ;
if ( initialBinding != null )
uProc.setInitialBinding(initialBinding) ;
return uProc ;
}
/** Create an UpdateProcessor that send the update to a remote SPARQL Update service.
* @param update
* @param remoteEndpoint
*/
public static UpdateProcessor createRemote(Update update, String remoteEndpoint)
{
return createRemote(new UpdateRequest(update), remoteEndpoint) ;
}
/** Create an UpdateProcessor that send the update request to a remote SPARQL Update service.
* @param updateRequest
* @param remoteEndpoint
*/
public static UpdateProcessor createRemote(UpdateRequest updateRequest, String remoteEndpoint)
{
return new UpdateProcessRemote(updateRequest, remoteEndpoint) ;
}
}