examples/beam/src/test/java/org/apache/nemo/examples/beam/policy/AggressiveSpeculativeCloningPolicyParallelismFive.java

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 * distributed with this work for additional information
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 * 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
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.nemo.examples.beam.policy;

import org.apache.nemo.common.ir.IRDAG;
import org.apache.nemo.compiler.optimizer.pass.compiletime.CompileTimePass;
import org.apache.nemo.compiler.optimizer.pass.compiletime.annotating.AggressiveSpeculativeCloningPass;
import org.apache.nemo.compiler.optimizer.pass.runtime.Message;
import org.apache.nemo.compiler.optimizer.policy.DefaultPolicy;
import org.apache.nemo.compiler.optimizer.policy.Policy;
import org.apache.nemo.compiler.optimizer.policy.PolicyImpl;

import java.util.List;

/**
 * A default policy with (aggressive) speculative execution.
 */
public final class AggressiveSpeculativeCloningPolicyParallelismFive implements Policy {
  private final Policy policy;

  public AggressiveSpeculativeCloningPolicyParallelismFive() {
    final List<CompileTimePass> overwritingPasses = DefaultPolicy.BUILDER.getCompileTimePasses();
    overwritingPasses.add(new AggressiveSpeculativeCloningPass()); // CLONING!
    this.policy = new PolicyImpl(
      PolicyTestUtil.overwriteParallelism(5, overwritingPasses),
      DefaultPolicy.BUILDER.getRunTimePasses());
  }

  @Override
  public IRDAG runCompileTimeOptimization(final IRDAG dag, final String dagDirectory) {
    return this.policy.runCompileTimeOptimization(dag, dagDirectory);
  }

  @Override
  public IRDAG runRunTimeOptimizations(final IRDAG dag, final Message<?> message) {
    return this.policy.runRunTimeOptimizations(dag, message);
  }
}