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package cloud.prefab.client.config;

import cloud.prefab.client.ConfigStore;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;

public class ConfigStoreImpl implements ConfigStore {

  private final AtomicReference> localMap = new AtomicReference<>(
    ImmutableMap.of()
  );

  @Override
  public Collection getKeys() {
    return localMap.get().keySet();
  }

  public ImmutableSet> entrySet() {
    return localMap.get().entrySet();
  }

  public void set(ImmutableMap newData) {
    localMap.set(newData);
  }

  @Override
  public ConfigElement getElement(String key) {
    return localMap.get().get(key);
  }

  @Override
  public boolean containsKey(String key) {
    return localMap.get().containsKey(key);
  }
}