How to use org.keycloak.models.jpa

@Override
public ProtocolMapperModel getProtocolMapperById(String id) {
  ProtocolMapperEntity entity = getProtocolMapperEntity(id);
  if (entity == null) return null;
  return entityToModel(entity);
}

@Override
public void setAttribute(String name, List<String> values) {
  // Remove all existing
  removeAttribute(name);
  // Put all new
  for (String value : values) {
    persistAttributeValue(name, value);
  }
}

@Override
public ProtocolMapperModel getProtocolMapperByName(String protocol, String name) {
  ProtocolMapperEntity entity = getProtocolMapperEntityByName(protocol, name);
  if (entity == null) return null;
  return entityToModel(entity);
}

@Override
public IdentityProviderMapperModel getIdentityProviderMapperById(String id) {
  IdentityProviderMapperEntity entity = getIdentityProviderMapperEntity(id);
  if (entity == null) return null;
  return entityToModel(entity);
}

@Override
public ProtocolMapperModel getProtocolMapperByName(String protocol, String name) {
  ProtocolMapperEntity entity = getProtocolMapperEntityByName(protocol, name);
  if (entity == null) return null;
  return entityToModel(entity);
}

@Override
public void setAttribute(String name, Collection<String> values) {
  removeAttribute(name);
  for (String value : values) {
    persistAttributeValue(name, value);
  }
}

@Override
public UserConsentModel getConsentByClient(RealmModel realm, String userId, String clientId) {
  UserConsentEntity entity = getGrantedConsentEntity(userId, clientId);
  return toConsentModel(realm, entity);
}

@Override
public ProtocolMapperModel getProtocolMapperById(String id) {
  ProtocolMapperEntity entity = getProtocolMapperEntity(id);
  if (entity == null) return null;
  return entityToModel(entity);
}

@Override
public IdentityProviderMapperModel getIdentityProviderMapperByName(String alias, String name) {
  IdentityProviderMapperEntity entity = getIdentityProviderMapperEntityByName(alias, name);
  if (entity == null) return null;
  return entityToModel(entity);
}

@Override
public void joinGroup(GroupModel group) {
  if (isMemberOf(group)) return;
  joinGroupImpl(group);
}

@Override
public void grantRole(RoleModel role) {
  if (hasRole(role)) return;
  grantRoleImpl(role);
}

@Override
public void setAttribute(String name, List<String> values) {
  // Remove all existing
  removeAttribute(name);
  // Put all new
  for (String value : values) {
    persistAttributeValue(name, value);
  }
}

@Override
public String getDefaultSignatureAlgorithm() {
  return getAttribute("defaultSignatureAlgorithm");
}

@Override
public void setActionTokenGeneratedByUserLifespan(String actionTokenId, Integer actionTokenGeneratedByUserLifespan) {
  if (actionTokenGeneratedByUserLifespan != null)
    setAttribute(RealmAttributes.ACTION_TOKEN_GENERATED_BY_USER_LIFESPAN + "." + actionTokenId, actionTokenGeneratedByUserLifespan);
}

@Override
public int getUsersCount(RealmModel realm) {
  return getUsersCount(realm, false);
}

@Override
public boolean isBruteForceProtected() {
  return getAttribute("bruteForceProtected", false);
}

@Override
public void setActionTokenGeneratedByAdminLifespan(int actionTokenGeneratedByAdminLifespan) {
  setAttribute(RealmAttributes.ACTION_TOKEN_GENERATED_BY_ADMIN_LIFESPAN, actionTokenGeneratedByAdminLifespan);
}

@Override
public boolean isPermanentLockout() {
  return getAttribute("permanentLockout", false);
}

@Override
public int getMinimumQuickLoginWaitSeconds() {
  return getAttribute("minimumQuickLoginWaitSeconds", 0);
}

@Override
public int getMaxDeltaTimeSeconds() {
  return getAttribute("maxDeltaTimeSeconds", 0);
}