/*
* 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 arq.cmdline;
import java.util.List ;
import jena.cmd.ArgDecl;
import jena.cmd.CmdArgModule;
import jena.cmd.CmdException;
import jena.cmd.CmdGeneral;
import jena.cmd.ModBase;
import org.apache.jena.sparql.engine.main.QueryEngineMain ;
import org.apache.jena.sparql.engine.main.QueryEngineMainQuad ;
import org.apache.jena.sparql.engine.ref.QueryEngineRef ;
import org.apache.jena.sparql.engine.ref.QueryEngineRefQuad ;
public class ModEngine extends ModBase
{
// Special case of a "ModEnvironment"
// Alters the ARQ environment but provides nothing at execution time.
// Combine with ModSymbol?
protected final ArgDecl engineDecl = new ArgDecl(ArgDecl.HasValue, "engine") ;
protected final ArgDecl unEngineDecl = new ArgDecl(ArgDecl.HasValue,
"unengine",
"unEngine",
"removeEngine",
"removeengine"
) ;
private boolean timing = false ;
@Override
public void registerWith(CmdGeneral cmdLine)
{
cmdLine.getUsage().startCategory("Query Engine") ;
cmdLine.add(engineDecl, "--engine=EngineName", "Register another engine factory[ref]") ;
cmdLine.add(unEngineDecl, "--unengine=EngineName", "Unregister an engine factory") ;
}
public void checkCommandLine(CmdGeneral cmdLine)
{}
@Override
public void processArgs(CmdArgModule cmdLine)
{
List<String> engineDecls = cmdLine.getValues(engineDecl) ;
// if ( x.size() > 0 )
// QueryEngineRegistry.get().factories().clear() ;
for ( String engineName : engineDecls )
{
switch (engineName.toLowerCase()) {
case "reference":
case "ref":
QueryEngineRef.register();
continue;
case "refQuad":
QueryEngineRefQuad.register();
continue;
case "main":
QueryEngineMain.register();
continue;
case "quad":
QueryEngineMainQuad.register();
continue;
}
throw new CmdException("Engine name not recognized: " + engineName);
}
List<String> unEngineDecls = cmdLine.getValues(unEngineDecl) ;
for (String engineName : unEngineDecls)
{
switch (engineName.toLowerCase()) {
case "reference":
case "ref":
QueryEngineRef.register();
continue;
case "refQuad":
QueryEngineRefQuad.register();
continue;
case "main":
QueryEngineMain.register();
QueryEngineMainQuad.register();
continue;
}
throw new CmdException("Engine name not recognized: "+engineName) ;
}
}
}