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.weex.benchmark;
  
  import org.junit.rules.TestRule;
  import org.junit.runner.Description;
  import org.junit.runners.model.Statement;
  
  public class RepeatRule implements TestRule {
  
    private static class RepeatStatement extends Statement {
      private final Statement statement;
      private final int repeat;
  
      public RepeatStatement(Statement statement, int repeat) {
        this.statement = statement;
        this.repeat = repeat;
      }
  
      @Override
      public void evaluate() throws Throwable {
        for (int i = 0; i < repeat; i++) {
          statement.evaluate();
        }
      }
  
    }
  
    @Override
    public Statement apply(Statement statement, Description description) {
      Statement result = statement;
      Repeat repeat = description.getAnnotation(Repeat.class);
      if (repeat != null) {
        int times = repeat.value();
        result = new RepeatStatement(statement, times);
      }
      return result;
    }
  }
  