/*
* Licensed 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.facebook.presto.execution.resourceGroups.db;
import com.facebook.presto.resourceGroups.db.DbResourceGroupConfigurationManager;
import com.facebook.presto.spi.classloader.ThreadContextClassLoader;
import com.facebook.presto.spi.memory.ClusterMemoryPoolManager;
import com.facebook.presto.spi.resourceGroups.ResourceGroupConfigurationManager;
import com.facebook.presto.spi.resourceGroups.ResourceGroupConfigurationManagerContext;
import com.facebook.presto.spi.resourceGroups.ResourceGroupConfigurationManagerFactory;
import com.google.common.base.Throwables;
import com.google.inject.Injector;
import io.airlift.bootstrap.Bootstrap;
import io.airlift.json.JsonModule;
import java.util.Map;
import static java.util.Objects.requireNonNull;
public class H2ResourceGroupConfigurationManagerFactory
implements ResourceGroupConfigurationManagerFactory
{
private final ClassLoader classLoader;
public H2ResourceGroupConfigurationManagerFactory(ClassLoader classLoader)
{
this.classLoader = requireNonNull(classLoader, "classLoader is null");
}
@Override
public String getName()
{
return "h2";
}
@Override
public ResourceGroupConfigurationManager create(Map<String, String> config, ResourceGroupConfigurationManagerContext context)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
Bootstrap app = new Bootstrap(
new JsonModule(),
new H2ResourceGroupsModule(),
binder -> binder.bind(ClusterMemoryPoolManager.class).toInstance(context.getMemoryPoolManager())
);
Injector injector = app
.strictConfig()
.doNotInitializeLogging()
.setRequiredConfigurationProperties(config)
.initialize();
return injector.getInstance(DbResourceGroupConfigurationManager.class);
}
catch (Exception e) {
throw Throwables.propagate(e);
}
}
}