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• VavrIteratorGenerator.java

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autofixture.generators.vavr.VavrIteratorGenerator Maven / Gradle / Ivy

package autofixture.generators.vavr;

import autofixture.interfaces.FixtureContract;
import autofixture.interfaces.InstanceGenerator;
import autofixture.interfaces.InstanceType;
import io.vavr.collection.Iterator;
import io.vavr.collection.List;

public class VavrIteratorGenerator implements InstanceGenerator {

  //apparently, when the lists are not cached,
  //the size of the iterator becomes 0 pretty soon
  private List iteratorParents = List.empty();

  @Override
  public  boolean appliesTo(final InstanceType instanceType) {
    return instanceType.isRawTypeAssignableFrom(io.vavr.collection.Iterator.class);
  }

  @Override
  public  T next(final InstanceType instanceType, final FixtureContract fixture) {
    List parent = List.ofAll(instanceType.turnIntoCollection(fixture));
    iteratorParents = iteratorParents.append(parent);
    Iterator iterator = parent.iterator();
    return (T) iterator;
  }

  @Override
  public  T nextEmpty(final InstanceType instanceType, final FixtureContract fixture) {
    return (T)Iterator.empty();
  }

  @Override
  public void setOmittingAutoProperties(final boolean isOn) {

  }
}