content: /*
   * 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.asterix.lang.common.expression;
  
  import java.util.Objects;
  
  import org.apache.asterix.common.exceptions.CompilationException;
  import org.apache.asterix.lang.common.base.AbstractExpression;
  import org.apache.asterix.lang.common.base.Expression;
  import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
  
  public class IfExpr extends AbstractExpression {
      private Expression condExpr;
      private Expression thenExpr;
      private Expression elseExpr;
  
      public IfExpr() {
          // default constructor
      }
  
      public IfExpr(Expression condExpr, Expression thenExpr, Expression elseExpr) {
          this.condExpr = condExpr;
          this.thenExpr = thenExpr;
          this.elseExpr = elseExpr;
      }
  
      public Expression getCondExpr() {
          return condExpr;
      }
  
      public void setCondExpr(Expression condExpr) {
          this.condExpr = condExpr;
      }
  
      public Expression getThenExpr() {
          return thenExpr;
      }
  
      public void setThenExpr(Expression thenExpr) {
          this.thenExpr = thenExpr;
      }
  
      public Expression getElseExpr() {
          return elseExpr;
      }
  
      public void setElseExpr(Expression elseExpr) {
          this.elseExpr = elseExpr;
      }
  
      @Override
      public Kind getKind() {
          return Kind.IF_EXPRESSION;
      }
  
      @Override
      public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
          return visitor.visit(this, arg);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(condExpr, elseExpr, thenExpr);
      }
  
      @Override
      public boolean equals(Object object) {
          if (this == object) {
              return true;
          }
          if (!(object instanceof IfExpr)) {
              return false;
          }
          IfExpr target = (IfExpr) object;
          return Objects.equals(condExpr, target.condExpr) && Objects.equals(elseExpr, target.elseExpr)
                  && Objects.equals(thenExpr, target.thenExpr);
      }
  
      @Override
      public String toString() {
          return "if(" + condExpr + ") then " + thenExpr + " else " + elseExpr;
      }
  }
  