| /* |
| * Druid - a distributed column store. |
| * Copyright (C) 2012, 2013 Metamarkets Group Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| package io.druid.query; |
| |
| import com.google.inject.Inject; |
| |
| import java.util.Map; |
| |
| /** |
| */ |
| public class DefaultQueryRunnerFactoryConglomerate implements QueryRunnerFactoryConglomerate |
| { |
| private final Map<Class<? extends Query>, QueryRunnerFactory> factories; |
| |
| @Inject |
| public DefaultQueryRunnerFactoryConglomerate( |
| Map<Class<? extends Query>, QueryRunnerFactory> factories |
| ) |
| { |
| this.factories = factories; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public <T, QueryType extends Query<T>> QueryRunnerFactory<T, QueryType> findFactory(QueryType query) |
| { |
| return (QueryRunnerFactory<T, QueryType>) factories.get(query.getClass()); |
| } |
| } |