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711f785 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | """Vector database factory pattern"""
from typing import Dict, Any
from .base import VectorDBProvider
from .chroma_db import ChromaDB
import logging
logger = logging.getLogger(__name__)
class VectorDBFactory:
"""Factory for creating vector database instances"""
_providers = {
"chroma": ChromaDB,
}
@staticmethod
def create(db_type: str, config: Dict[str, Any]) -> VectorDBProvider:
"""Create a vector database provider instance"""
if db_type not in VectorDBFactory._providers:
available = ", ".join(VectorDBFactory._providers.keys())
raise ValueError(f"Unknown database type '{db_type}'. Available: {available}")
provider_class = VectorDBFactory._providers[db_type]
provider = provider_class()
provider.initialize(config)
logger.info(f"Created {db_type} vector database provider")
return provider
@staticmethod
def register(db_type: str, provider_class: type) -> None:
"""Register a new vector database provider"""
VectorDBFactory._providers[db_type] = provider_class
logger.info(f"Registered vector database provider: {db_type}")
@staticmethod
def available_providers() -> list:
"""Get list of available providers"""
return list(VectorDBFactory._providers.keys())
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