# BaseEntityStore

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/memory/entity/BaseEntityStore)

Abstract base class for Entity store.

## Signature

```python
BaseEntityStore()
```

## Extends

- `BaseModel`
- `ABC`

## Methods

- [`get()`](https://reference.langchain.com/python/langchain-classic/memory/entity/BaseEntityStore/get)
- [`set()`](https://reference.langchain.com/python/langchain-classic/memory/entity/BaseEntityStore/set)
- [`delete()`](https://reference.langchain.com/python/langchain-classic/memory/entity/BaseEntityStore/delete)
- [`exists()`](https://reference.langchain.com/python/langchain-classic/memory/entity/BaseEntityStore/exists)
- [`clear()`](https://reference.langchain.com/python/langchain-classic/memory/entity/BaseEntityStore/clear)

## ⚠️ Deprecated

Deprecated since version 0.3.1.

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/fb6ab993a73180538f6cca876b3c85d46c08845f/libs/langchain/langchain_classic/memory/entity.py#L30)