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;
  
  /**
   * Represents a Groovy expression that has a label.
   */
  public class LabeledExpression extends AbstractGroovyExpression {
      private final String           label;
      private final GroovyExpression expr;
  
      public LabeledExpression(String label, GroovyExpression expr) {
          this.label = label;
          this.expr  = expr;
      }
  
      @Override
      public void generateGroovy(GroovyGenerationContext context) {
          context.append(label);
          context.append(":");
  
          expr.generateGroovy(context);
      }
  
      @Override
      public List<GroovyExpression> getChildren() {
          return Collections.singletonList(expr);
      }
  
      @Override
      public GroovyExpression copy(List<GroovyExpression> newChildren) {
          return new LabeledExpression(label, newChildren.get(0));
      }
  }
  