/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.el;

import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static org.mule.runtime.api.message.Message.of;
import static org.mule.runtime.core.DefaultEventContext.create;
import static org.mule.runtime.core.api.lifecycle.LifecycleUtils.stopIfNeeded;
import org.mule.AbstractBenchmark;
import org.mule.runtime.api.exception.MuleException;
import org.mule.runtime.core.api.Event;
import org.mule.runtime.core.api.MuleContext;
import org.mule.runtime.core.api.scheduler.SchedulerService;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.TearDown;

@OutputTimeUnit(NANOSECONDS)
public class SimpleExpressionBenchmark extends AbstractBenchmark {

  @Param({"mel:payload", "payload"})
  private String expression;

  private MuleContext muleContext;
  private Event event;

  @Setup
  public void setup() throws MuleException {
    muleContext = createMuleContextWithServices();
    event = Event.builder(create(createFlow(muleContext), CONNECTOR_LOCATION)).message(of(PAYLOAD)).build();
  }

  @TearDown
  public void teardown() throws MuleException {
    stopIfNeeded(muleContext.getRegistry().lookupObject(SchedulerService.class));
    muleContext.dispose();
  }

  @Benchmark
  public Object evaluatePayload() {
    return muleContext.getExpressionManager().evaluate(expression, event).getValue();
  }

}