Package org.apache.tajo.engine.planner.logical

Source Code of org.apache.tajo.engine.planner.logical.DropTableNode

/*
* 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.tajo.engine.planner.logical;

import org.apache.tajo.engine.planner.PlanString;

public class DropTableNode extends LogicalNode {
  private String tableName;

  public DropTableNode(int pid, String tableName) {
    super(pid, NodeType.DROP_TABLE);
    this.tableName = tableName;
  }

  public String getTableName() {
    return this.tableName;
  }

  @Override
  public PlanString getPlanString() {
    return new PlanString("DropTable");
  }

  public boolean equals(Object obj) {
    if (obj instanceof DropTableNode) {
      DropTableNode other = (DropTableNode) obj;
      return super.equals(other) && this.tableName.equals(other.tableName);
    } else {
      return false;
    }
  }

  @Override
  public Object clone() throws CloneNotSupportedException {
    DropTableNode dropTableNode = (DropTableNode) super.clone();
    dropTableNode.tableName = tableName;
    return dropTableNode;
  }

  @Override
  public String toString() {
    return "DROP TABLE " + tableName;
  }

  @Override
  public void preOrder(LogicalNodeVisitor visitor) {
    visitor.visit(this);
  }

  @Override
  public void postOrder(LogicalNodeVisitor visitor) {
    visitor.visit(this);
  }
}
TOP

Related Classes of org.apache.tajo.engine.planner.logical.DropTableNode

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.