/*
* 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.plan.logical;
import com.google.common.base.Objects;
import org.apache.tajo.plan.PlanString;
public class DropIndexNode extends LogicalNode implements Cloneable {
private String indexName;
public DropIndexNode(int pid) {
super(pid, NodeType.DROP_INDEX);
}
public void init(String indexName) {
this.indexName = indexName;
}
public int hashCode() {
return Objects.hashCode(indexName);
}
@Override
public int childNum() {
return 0;
}
@Override
public LogicalNode getChild(int idx) {
return null;
}
public boolean equals(Object obj) {
if (obj instanceof DropIndexNode) {
DropIndexNode other = (DropIndexNode) obj;
return super.equals(other) &&
this.indexName.equals(other.indexName);
}
return false;
}
@Override
public void preOrder(LogicalNodeVisitor visitor) {
visitor.visit(this);
}
@Override
public void postOrder(LogicalNodeVisitor visitor) {
visitor.visit(this);
}
@Override
public PlanString getPlanString() {
return new PlanString(this);
}
@Override
public Object clone() throws CloneNotSupportedException {
DropIndexNode clone = (DropIndexNode) super.clone();
clone.indexName = this.indexName;
return clone;
}
@Override
public String toString() {
return "DROP INDEX " + indexName;
}
public void setIndexName(String indexName) {
this.indexName = indexName;
}
public String getIndexName() {
return indexName;
}
}