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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.groovy;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Groovy expression that represents a type coersion (e.g obj as Set).
   */
  public class TypeCoersionExpression extends AbstractGroovyExpression {
      private final GroovyExpression expr;
      private final String           className;
  
      public TypeCoersionExpression(GroovyExpression expr, String className) {
          this.expr      = expr;
          this.className = className;
      }
  
      @Override
      public void generateGroovy(GroovyGenerationContext context) {
          context.append("((");
          expr.generateGroovy(context);
          context.append(")");
          context.append(" as ");
          context.append(className);
          context.append(")");
      }
  
      @Override
      public List<GroovyExpression> getChildren() {
          return Collections.singletonList(expr);
      }
  
      @Override
      public GroovyExpression copy(List<GroovyExpression> newChildren) {
          return new TypeCoersionExpression(newChildren.get(0), className);
      }
  }
  