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.clause;
  
  import java.util.Objects;
  
  import org.apache.asterix.common.exceptions.CompilationException;
  import org.apache.asterix.lang.common.base.AbstractClause;
  import org.apache.asterix.lang.common.base.Expression;
  import org.apache.asterix.lang.common.expression.VariableExpr;
  import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
  
  public class LetClause extends AbstractClause {
      private VariableExpr varExpr;
      private Expression bindExpr;
  
      public LetClause() {
          super();
      }
  
      public LetClause(VariableExpr varExpr, Expression bindExpr) {
          super();
          this.varExpr = varExpr;
          this.bindExpr = bindExpr;
      }
  
      public VariableExpr getVarExpr() {
          return varExpr;
      }
  
      public void setVarExpr(VariableExpr varExpr) {
          this.varExpr = varExpr;
      }
  
      public Expression getBindingExpr() {
          return bindExpr;
      }
  
      public void setBindingExpr(Expression bindExpr) {
          this.bindExpr = bindExpr;
      }
  
      @Override
      public ClauseType getClauseType() {
          return ClauseType.LET_CLAUSE;
      }
  
      @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(bindExpr, varExpr);
      }
  
      @Override
      public boolean equals(Object object) {
          if (this == object) {
              return true;
          }
          if (!(object instanceof LetClause)) {
              return false;
          }
          LetClause target = (LetClause) object;
          return bindExpr.equals(target.getBindingExpr()) && varExpr.equals(target.getVarExpr());
      }
  
  }
  