autofixture.generators.enums.InMemoryEnumCache Maven / Gradle / Ivy

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An attempt to reimplement core features of a popular .NET anonymous value generator - AutoFixture - in Java

There is a newer version: 2.1.10

package autofixture.generators.enums;

import autofixture.implementationdetails.CircularList;
import autofixture.interfaces.InstanceType;

import java.util.HashMap;
import java.util.Map;

public class InMemoryEnumCache implements EnumCache {

  private final Map, CircularList> sequences = new HashMap<>();

  @Override
  public  void registerIfNotPresent(final InstanceType instanceType) {
    if (!sequences.containsKey(instanceType)) {
      sequences.put(instanceType, CircularList.createFromEnum(instanceType));
    }
  }

  @SuppressWarnings("unchecked")
  @Override
  public  T retrieveNextValueOf(final InstanceType instanceType) {
    return (T) sequences.get(instanceType).next();
  }
}