| /** |
| * 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.planner; |
| |
| import java.io.IOException; |
| |
| import org.apache.drill.common.config.DrillConfig; |
| import org.apache.drill.common.logical.LogicalPlan; |
| import org.apache.drill.common.types.TypeProtos.MajorType; |
| import org.apache.drill.exec.coord.DrillbitEndpointSerDe; |
| import org.apache.drill.exec.physical.PhysicalPlan; |
| import org.apache.drill.exec.physical.base.FragmentLeaf; |
| import org.apache.drill.exec.physical.base.FragmentRoot; |
| import org.apache.drill.exec.physical.base.PhysicalOperator; |
| import org.apache.drill.exec.physical.base.PhysicalOperatorUtil; |
| import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint; |
| import org.apache.drill.exec.record.MajorTypeSerDe; |
| import org.apache.drill.exec.server.options.OptionList; |
| import org.apache.drill.exec.store.StoragePluginRegistry; |
| |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.InjectableValues; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.ObjectReader; |
| import com.fasterxml.jackson.databind.module.SimpleModule; |
| |
| public class PhysicalPlanReader { |
| static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(PhysicalPlanReader.class); |
| |
| private final ObjectReader physicalPlanReader; |
| private final ObjectMapper mapper; |
| private final ObjectReader operatorReader; |
| private final ObjectReader logicalPlanReader; |
| |
| public PhysicalPlanReader(DrillConfig config, ObjectMapper mapper, final DrillbitEndpoint endpoint, |
| final StoragePluginRegistry pluginRegistry) { |
| |
| // Endpoint serializer/deserializer. |
| SimpleModule deserModule = new SimpleModule("PhysicalOperatorModule") // |
| .addSerializer(DrillbitEndpoint.class, new DrillbitEndpointSerDe.Se()) // |
| .addDeserializer(DrillbitEndpoint.class, new DrillbitEndpointSerDe.De()) // |
| .addSerializer(MajorType.class, new MajorTypeSerDe.Se()) |
| .addDeserializer(MajorType.class, new MajorTypeSerDe.De()); |
| |
| |
| mapper.registerModule(deserModule); |
| mapper.registerSubtypes(PhysicalOperatorUtil.getSubTypes(config)); |
| InjectableValues injectables = new InjectableValues.Std() // |
| .addValue(StoragePluginRegistry.class, pluginRegistry) // |
| .addValue(DrillbitEndpoint.class, endpoint); // |
| |
| this.mapper = mapper; |
| this.physicalPlanReader = mapper.reader(PhysicalPlan.class).with(injectables); |
| this.operatorReader = mapper.reader(PhysicalOperator.class).with(injectables); |
| this.logicalPlanReader = mapper.reader(LogicalPlan.class).with(injectables); |
| } |
| |
| // TODO - we do not want to storage engine registry generated here in production, this was created to keep old |
| // tests passing, this constructor should be removed and the tests should be updated to use the contstructor |
| // that takes a storage engine registry |
| @Deprecated |
| public PhysicalPlanReader(DrillConfig config, ObjectMapper mapper, final DrillbitEndpoint endpoint) { |
| this(config, mapper, endpoint, null); |
| } |
| |
| public String writeJson(OptionList list) throws JsonProcessingException{ |
| return mapper.writeValueAsString(list); |
| } |
| |
| public String writeJson(PhysicalOperator op) throws JsonProcessingException{ |
| return mapper.writeValueAsString(op); |
| } |
| |
| public PhysicalPlan readPhysicalPlan(String json) throws JsonProcessingException, IOException { |
| logger.debug("Reading physical plan {}", json); |
| return physicalPlanReader.readValue(json); |
| } |
| |
| public FragmentRoot readFragmentOperator(String json) throws JsonProcessingException, IOException { |
| logger.debug("Attempting to read {}", json); |
| PhysicalOperator op = operatorReader.readValue(json); |
| if(op instanceof FragmentLeaf){ |
| return (FragmentRoot) op; |
| }else{ |
| throw new UnsupportedOperationException(String.format("The provided json fragment doesn't have a FragmentRoot as its root operator. The operator was %s.", op.getClass().getCanonicalName())); |
| } |
| } |
| |
| public LogicalPlan readLogicalPlan(String json) throws JsonProcessingException, IOException{ |
| logger.debug("Reading logical plan {}", json); |
| return logicalPlanReader.readValue(json); |
| } |
| } |