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/*
* 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.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.drill.shaded.guava.com.google.common.base.Preconditions;
import org.apache.hadoop.fs.Path;
@JsonTypeName("fs-sub-scan")
public class EasySubScan extends AbstractSubScan{
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(EasySubScan.class);
private final List<FileWorkImpl> files;
private final EasyFormatPlugin<?> formatPlugin;
private final List<SchemaPath> columns;
private final Path selectionRoot;
private final int partitionDepth;
@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
) throws ExecutionSetupException {
super(userName);
this.formatPlugin = (EasyFormatPlugin<?>) engineRegistry.getFormatPlugin(storageConfig, formatConfig);
Preconditions.checkNotNull(this.formatPlugin);
this.files = files;
this.columns = columns;
this.selectionRoot = selectionRoot;
this.partitionDepth = partitionDepth;
}
public EasySubScan(String userName, List<FileWorkImpl> files, EasyFormatPlugin<?> plugin,
List<SchemaPath> columns, Path selectionRoot, int partitionDepth) {
super(userName);
this.formatPlugin = plugin;
this.files = files;
this.columns = columns;
this.selectionRoot = selectionRoot;
this.partitionDepth = partitionDepth;
}
@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; }
@Override
public int getOperatorType() { return formatPlugin.getReaderOperatorType(); }
}
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