contrib/storage-kudu/src/main/java/org/apache/drill/exec/store/kudu/KuduWriter.java

/*
 * 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.kudu;

import java.io.IOException;

import org.apache.drill.common.exceptions.ExecutionSetupException;
import org.apache.drill.common.logical.StoragePluginConfig;
import org.apache.drill.exec.physical.base.AbstractWriter;
import org.apache.drill.exec.physical.base.PhysicalOperator;
import org.apache.drill.exec.proto.UserBitShared.CoreOperatorType;
import org.apache.drill.exec.store.StoragePluginRegistry;

import com.fasterxml.jackson.annotation.JacksonInject;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;

public class KuduWriter extends AbstractWriter {

  private final KuduStoragePlugin plugin;
  private final String name;

  @JsonCreator
  public KuduWriter(
      @JsonProperty("child") PhysicalOperator child,
      @JsonProperty("name") String name,
      @JsonProperty("storage") StoragePluginConfig storageConfig,
      @JacksonInject StoragePluginRegistry engineRegistry) throws IOException, ExecutionSetupException {
    super(child);
    this.plugin = engineRegistry.resolve(storageConfig, KuduStoragePlugin.class);
    this.name = name;
  }


  KuduWriter(PhysicalOperator child, String name, KuduStoragePlugin plugin) {
    super(child);
    this.name = name;
    this.plugin = plugin;
  }

  @Override
  public int getOperatorType() {
    return CoreOperatorType.KUDU_WRITER_VALUE;
  }

  @Override
  protected PhysicalOperator getNewWithChild(PhysicalOperator child) {
    return new KuduWriter(child, name, plugin);
  }

  public String getName() {
    return name;
  }

  public StoragePluginConfig getStorage() {
    return plugin.getConfig();
  }

  @JsonIgnore
  public KuduStoragePlugin getPlugin() {
    return plugin;
  }

  @Override
  public String toString() {
    return "KuduWriter[name=" + name + ", storageStrategy=" + getStorageStrategy() + "]";
  }
}