/* This file is part of VoltDB.
* Copyright (C) 2008-2014 VoltDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with VoltDB. If not, see <http://www.gnu.org/licenses/>.
*/
package org.voltdb;
import org.voltdb.compiler.AdHocPlannedStmtBatch;
import org.voltdb.compiler.AdHocPlannerWork;
import org.voltdb.compiler.AsyncCompilerAgent;
import org.voltdb.compiler.AsyncCompilerResult;
import org.voltdb.compiler.AsyncCompilerWork.AsyncCompilerWorkCompletionHandler;
import com.google_voltpatches.common.util.concurrent.ListenableFuture;
import com.google_voltpatches.common.util.concurrent.SettableFuture;
/*
* Wrapper around a planner tied to a specific catalog version. This planner
* is specifically configured to generate plans from within a stored procedure
* so it will give a slightly different set of config to the planner
* via AdHocPlannerWork
*/
public class CatalogSpecificPlanner {
private final AsyncCompilerAgent m_agent;
private final CatalogContext m_catalogContext;
public CatalogSpecificPlanner(AsyncCompilerAgent agent, CatalogContext context) {
m_agent = agent;
m_catalogContext = context;
}
public ListenableFuture<AdHocPlannedStmtBatch> plan(String sql,
Object[] userParams, boolean singlePartition) {
final SettableFuture<AdHocPlannedStmtBatch> retval = SettableFuture.create();
AsyncCompilerWorkCompletionHandler completionHandler = new AsyncCompilerWorkCompletionHandler()
{
@Override
public void onCompletion(AsyncCompilerResult result) {
retval.set((AdHocPlannedStmtBatch)result);
}
};
AdHocPlannerWork work = AdHocPlannerWork.makeStoredProcAdHocPlannerWork(-1, sql, userParams,
singlePartition, m_catalogContext, completionHandler);
m_agent.compileAdHocPlanForProcedure(work);
return retval;
}
}