org.apache.hadoop.hive.ql.ddl.view.materialized.drop.DropMaterializedViewDesc Maven / Gradle / Ivy

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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.hadoop.hive.ql.ddl.view.materialized.drop;

import java.io.Serializable;

import org.apache.hadoop.hive.ql.ddl.DDLDesc;
import org.apache.hadoop.hive.ql.plan.Explain;
import org.apache.hadoop.hive.ql.plan.Explain.Level;

/**
 * DDL task description for DROP MATERIALIZED VIEW commands.
 */
@Explain(displayName = "Drop Materialized View", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
public class DropMaterializedViewDesc implements DDLDesc, Serializable {
  private static final long serialVersionUID = 1L;

  private final String viewName;
  private final boolean ifExists;

  public DropMaterializedViewDesc(String viewName, boolean ifExists) {
    this.viewName = viewName;
    this.ifExists = ifExists;
  }

  @Explain(displayName = "view name", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
  public String getTableName() {
    return viewName;
  }

  @Explain(displayName = "if exists", displayOnlyOnTrue = true,
      explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
  public boolean isIfExists() {
    return ifExists;
  }
}