/**
* 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 org.apache.drill.exec.server;
import io.netty.channel.nio.NioEventLoopGroup;
import java.util.Collection;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.exceptions.ExecutionSetupException;
import org.apache.drill.common.logical.StorageEngineConfig;
import org.apache.drill.exec.ExecConstants;
import org.apache.drill.exec.cache.DistributedCache;
import org.apache.drill.exec.coord.ClusterCoordinator;
import org.apache.drill.exec.exception.SetupException;
import org.apache.drill.exec.memory.BufferAllocator;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
import org.apache.drill.exec.rpc.NamedThreadFactory;
import org.apache.drill.exec.rpc.bit.BitCom;
import org.apache.drill.exec.store.StorageEngine;
import com.google.common.base.Preconditions;
import com.yammer.metrics.MetricRegistry;
import org.apache.drill.exec.store.StorageEngineRegistry;
public class DrillbitContext {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(DrillbitContext.class);
private BootStrapContext context;
private PhysicalPlanReader reader;
private final ClusterCoordinator coord;
private final BitCom com;
private final DistributedCache cache;
private final DrillbitEndpoint endpoint;
private final StorageEngineRegistry storageEngineRegistry;
public DrillbitContext(DrillbitEndpoint endpoint, BootStrapContext context, ClusterCoordinator coord, BitCom com, DistributedCache cache) {
super();
Preconditions.checkNotNull(endpoint);
Preconditions.checkNotNull(context);
Preconditions.checkNotNull(com);
this.context = context;
this.coord = coord;
this.com = com;
this.cache = cache;
this.endpoint = endpoint;
this.storageEngineRegistry = new StorageEngineRegistry(this);
this.reader = new PhysicalPlanReader(context.getConfig(), context.getConfig().getMapper(), endpoint, storageEngineRegistry);
}
public DrillbitEndpoint getEndpoint(){
return endpoint;
}
public DrillConfig getConfig() {
return context.getConfig();
}
public Collection<DrillbitEndpoint> getBits(){
return coord.getAvailableEndpoints();
}
public BufferAllocator getAllocator(){
return context.getAllocator();
}
public StorageEngine getStorageEngine(StorageEngineConfig config) throws ExecutionSetupException {
return storageEngineRegistry.getEngine(config);
}
public NioEventLoopGroup getBitLoopGroup(){
return context.getBitLoopGroup();
}
public BitCom getBitCom(){
return com;
}
public MetricRegistry getMetrics(){
return context.getMetrics();
}
public DistributedCache getCache(){
return cache;
}
public PhysicalPlanReader getPlanReader(){
return reader;
}
}