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package net.zerobuilder.compiler.generate;

import com.squareup.javapoet.TypeName;
import net.zerobuilder.compiler.generate.DtoContext.BuildersContext;
import net.zerobuilder.compiler.generate.DtoGoalDetails.ConstructorGoalDetails;
import net.zerobuilder.compiler.generate.DtoRegularGoal.RegularGoalContextCases;
import net.zerobuilder.compiler.generate.DtoRegularStep.AbstractRegularStep;
import net.zerobuilder.compiler.generate.DtoRegularStep.SimpleRegularStep;

import java.util.List;

import static java.util.Collections.unmodifiableList;

public final class DtoConstructorGoal {

  public static final class SimpleConstructorGoalContext
      extends DtoRegularGoal.SimpleRegularGoalContext {

    public final List steps;
    public final BuildersContext context;
    public final ConstructorGoalDetails details;

    SimpleConstructorGoalContext(BuildersContext context,
                                 ConstructorGoalDetails details,
                                 List steps,
                                 List thrownTypes) {
      super(thrownTypes);
      this.context = context;
      this.details = details;
      this.steps = steps;
    }

    final List constructorSteps() {
      return unmodifiableList(steps);
    }

    @Override
    public final  R acceptRegular(RegularGoalContextCases cases) {
      return cases.constructor(this);
    }

    @Override
    public final List parameterNames() {
      return details.parameterNames;
    }

    @Override
    public final TypeName type() {
      return details.goalType;
    }
  }

  private DtoConstructorGoal() {
    throw new UnsupportedOperationException("no instances");
  }
}