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gameloader
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# retrieval.py
# --- 确认 Import 路径已更新 ---
from milvus_haystack import MilvusDocumentStore # 用于类型提示
from milvus_haystack.milvus_embedding_retriever import (
MilvusEmbeddingRetriever,
) # 使用正确的 integration import
# 从配置导入 top_k
from config import RETRIEVER_TOP_K
def initialize_vector_retriever(
document_store: MilvusDocumentStore,
) -> MilvusEmbeddingRetriever:
"""
Initializes the MilvusEmbeddingRetriever using milvus-haystack package.
Requires a correctly initialized MilvusDocumentStore instance.
"""
print(f"Initializing Milvus Embedding Retriever with top_k={RETRIEVER_TOP_K}")
# 初始化 MilvusEmbeddingRetriever 实例
# 它需要 document_store 实例来进行实际的搜索操作
# top_k 参数控制返回文档的数量
retriever = MilvusEmbeddingRetriever(
document_store=document_store,
top_k=RETRIEVER_TOP_K,
# 其他可选参数可以根据需要添加,例如 filters_policy
)
print("Milvus Embedding Retriever initialized.")
return retriever