integration_test/src/scala/com/twitter/heron/integration_test/common/ScalaIntegrationTestBase.scala

//  Copyright 2018 Twitter. All rights reserved.
//
//  Licensed 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 com.twitter.heron.integration_test.common

import com.twitter.heron.integration_test.core.TestTopologyBuilder
import com.twitter.heron.streamlet.scala.Builder
import com.twitter.heron.streamlet.scala.impl.BuilderImpl

/**
  * Scala Integration Test Base
  */
trait ScalaIntegrationTestBase extends Serializable {

  protected def build(testTopologyBuilder: TestTopologyBuilder,
                      streamletBuilder: Builder): TestTopologyBuilder = {
    val streamletBuilderImpl = streamletBuilder.asInstanceOf[BuilderImpl]
    val topologyBuilder = streamletBuilderImpl.build(testTopologyBuilder)
    topologyBuilder.asInstanceOf[TestTopologyBuilder]
  }

}