| /* |
| * 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.store.dfs.easy; |
| |
| import java.util.List; |
| |
| import org.apache.drill.common.exceptions.ExecutionSetupException; |
| import org.apache.drill.common.expression.SchemaPath; |
| import org.apache.drill.common.logical.FormatPluginConfig; |
| import org.apache.drill.common.logical.StoragePluginConfig; |
| import org.apache.drill.exec.physical.base.AbstractSubScan; |
| import org.apache.drill.exec.record.metadata.TupleMetadata; |
| import org.apache.drill.exec.store.StoragePluginRegistry; |
| import org.apache.drill.exec.store.schedule.CompleteFileWork.FileWorkImpl; |
| |
| import com.fasterxml.jackson.annotation.JacksonInject; |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonIgnore; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.annotation.JsonTypeName; |
| import org.apache.hadoop.fs.Path; |
| |
| |
| @JsonTypeName("fs-sub-scan") |
| public class EasySubScan extends AbstractSubScan { |
| |
| private final List<FileWorkImpl> files; |
| private final EasyFormatPlugin<?> formatPlugin; |
| private final List<SchemaPath> columns; |
| private final Path selectionRoot; |
| private final int partitionDepth; |
| private final TupleMetadata schema; |
| private final int maxRecords; |
| |
| @JsonCreator |
| public EasySubScan( |
| @JsonProperty("userName") String userName, |
| @JsonProperty("files") List<FileWorkImpl> files, |
| @JsonProperty("storage") StoragePluginConfig storageConfig, |
| @JsonProperty("format") FormatPluginConfig formatConfig, |
| @JacksonInject StoragePluginRegistry engineRegistry, |
| @JsonProperty("columns") List<SchemaPath> columns, |
| @JsonProperty("selectionRoot") Path selectionRoot, |
| @JsonProperty("partitionDepth") int partitionDepth, |
| @JsonProperty("schema") TupleMetadata schema, |
| @JsonProperty("maxRecords") int maxRecords |
| ) throws ExecutionSetupException { |
| super(userName); |
| this.formatPlugin = engineRegistry.resolveFormat(storageConfig, formatConfig, EasyFormatPlugin.class); |
| this.files = files; |
| this.columns = columns; |
| this.selectionRoot = selectionRoot; |
| this.partitionDepth = partitionDepth; |
| this.schema = schema; |
| this.maxRecords = maxRecords; |
| } |
| |
| public EasySubScan(String userName, List<FileWorkImpl> files, EasyFormatPlugin<?> plugin, |
| List<SchemaPath> columns, Path selectionRoot, int partitionDepth, TupleMetadata schema, int maxRecords) { |
| super(userName); |
| this.formatPlugin = plugin; |
| this.files = files; |
| this.columns = columns; |
| this.selectionRoot = selectionRoot; |
| this.partitionDepth = partitionDepth; |
| this.schema = schema; |
| this.maxRecords = maxRecords; |
| } |
| |
| @JsonProperty |
| public Path getSelectionRoot() { return selectionRoot; } |
| |
| @JsonProperty |
| public int getPartitionDepth() { return partitionDepth; } |
| |
| @JsonIgnore |
| public EasyFormatPlugin<?> getFormatPlugin() { return formatPlugin; } |
| |
| @JsonProperty("files") |
| public List<FileWorkImpl> getWorkUnits() { return files; } |
| |
| @JsonProperty("storage") |
| public StoragePluginConfig getStorageConfig() { return formatPlugin.getStorageConfig(); } |
| |
| @JsonProperty("format") |
| public FormatPluginConfig getFormatConfig() { return formatPlugin.getConfig(); } |
| |
| @JsonProperty("columns") |
| public List<SchemaPath> getColumns() { return columns; } |
| |
| @JsonProperty("schema") |
| public TupleMetadata getSchema() { return schema; } |
| |
| @JsonProperty("maxRecords") |
| public int getMaxRecords() { return maxRecords; } |
| |
| @Override |
| public int getOperatorType() { return formatPlugin.getReaderOperatorType(); } |
| } |