/** * 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.algebra; import com.google.common.base.Objects; public class Explain extends UnaryOperator { private boolean isGlobal; public Explain(Expr operand, boolean isGlobal) { super(OpType.Explain); this.isGlobal = isGlobal; setChild(operand); } public boolean isGlobal() { return isGlobal; } public int hashCode() { return Objects.hashCode(getChild()); } @Override boolean equalsTo(Expr expr) { return true; } }