How to use

delete

method

in

org.springframework.data.keyvalue.core.KeyValueOperations

  @Override
  public void deleteAll() {
    operations.delete(entityInformation.getJavaType());
  }
}

@Override
public void deleteById(ID id) {
  operations.delete(id, entityInformation.getJavaType());
}

  @Override
  public void deleteAll() {
    operations.delete(entityInformation.getJavaType());
  }
}

  @Override
  public void deleteAll() {
    operations.delete(entityInformation.getJavaType());
  }
}

@Override
public void deleteById(ID id) {
  operations.delete(id, entityInformation.getJavaType());
}

@Override
public void deleteById(ID id) {
  operations.delete(id, entityInformation.getJavaType());
}

/**
 * Execute a "delete" query, not really a query more of an operation.
 * <p>
 *
 * @param query       The query to run
 * @param queryMethod Used here to find the type of object to match the query
 * @return Collection of deleted objects or the number of deleted objects
 */
private Object executeDeleteQuery(final KeyValueQuery<?> query, final QueryMethod queryMethod) {
  Iterable<?> resultSet = this.keyValueOperations.find(query, queryMethod.getEntityInformation().getJavaType());
  Iterator<?> iterator = resultSet.iterator();
  List<Object> result = new ArrayList<>();
  while (iterator.hasNext()) {
    result.add(this.keyValueOperations.delete(iterator.next()));
  }
  if (queryMethod.isCollectionQuery()) {
    return result;
  } else if (long.class.equals(queryMethod.getReturnedObjectType()) || Long.class
      .equals(queryMethod.getReturnedObjectType())) {
    return result.size();
  } else {
    throw new UnsupportedOperationException(String.format(
        "Illegal returned type: %s. The operation 'deleteBy' accepts only 'long' and 'Collection' as the returned "
            + "object type", queryMethod.getReturnedObjectType()));
  }
}