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from typing import Any, Dict, Union
import ray
from graphgen.bases.base_storage import BaseGraphStorage, BaseKVStorage
class KVStorageActor:
def __init__(self, backend: str, working_dir: str, namespace: str):
if backend == "json_kv":
from graphgen.models import JsonKVStorage
self.kv = JsonKVStorage(working_dir, namespace)
elif backend == "rocksdb":
from graphgen.models import RocksDBKVStorage
self.kv = RocksDBKVStorage(working_dir, namespace)
else:
raise ValueError(f"Unknown KV backend: {backend}")
def data(self) -> Dict[str, Dict]:
return self.kv.data
def all_keys(self) -> list[str]:
return self.kv.all_keys()
def index_done_callback(self):
return self.kv.index_done_callback()
def get_by_id(self, id: str) -> Dict:
return self.kv.get_by_id(id)
def get_by_ids(self, ids: list[str], fields=None) -> list:
return self.kv.get_by_ids(ids, fields)
def get_all(self) -> Dict[str, Dict]:
return self.kv.get_all()
def filter_keys(self, data: list[str]) -> set[str]:
return self.kv.filter_keys(data)
def upsert(self, data: dict) -> dict:
return self.kv.upsert(data)
def drop(self):
return self.kv.drop()
def reload(self):
return self.kv.reload()
def ready(self) -> bool:
return True
class GraphStorageActor:
def __init__(self, backend: str, working_dir: str, namespace: str):
if backend == "networkx":
from graphgen.models import NetworkXStorage
self.graph = NetworkXStorage(working_dir, namespace)
elif backend == "kuzu":
from graphgen.models import KuzuStorage
self.graph = KuzuStorage(working_dir, namespace)
else:
raise ValueError(f"Unknown Graph backend: {backend}")
def index_done_callback(self):
return self.graph.index_done_callback()
def has_node(self, node_id: str) -> bool:
return self.graph.has_node(node_id)
def has_edge(self, source_node_id: str, target_node_id: str):
return self.graph.has_edge(source_node_id, target_node_id)
def node_degree(self, node_id: str) -> int:
return self.graph.node_degree(node_id)
def edge_degree(self, src_id: str, tgt_id: str) -> int:
return self.graph.edge_degree(src_id, tgt_id)
def get_node(self, node_id: str) -> Any:
return self.graph.get_node(node_id)
def update_node(self, node_id: str, node_data: dict[str, str]):
return self.graph.update_node(node_id, node_data)
def get_all_nodes(self) -> Any:
return self.graph.get_all_nodes()
def get_edge(self, source_node_id: str, target_node_id: str):
return self.graph.get_edge(source_node_id, target_node_id)
def update_edge(
self, source_node_id: str, target_node_id: str, edge_data: dict[str, str]
):
return self.graph.update_edge(source_node_id, target_node_id, edge_data)
def get_all_edges(self) -> Any:
return self.graph.get_all_edges()
def get_node_edges(self, source_node_id: str) -> Any:
return self.graph.get_node_edges(source_node_id)
def upsert_node(self, node_id: str, node_data: dict[str, str]):
return self.graph.upsert_node(node_id, node_data)
def upsert_edge(
self, source_node_id: str, target_node_id: str, edge_data: dict[str, str]
):
return self.graph.upsert_edge(source_node_id, target_node_id, edge_data)
def delete_node(self, node_id: str):
return self.graph.delete_node(node_id)
def reload(self):
return self.graph.reload()
def ready(self) -> bool:
return True
class RemoteKVStorageProxy(BaseKVStorage):
def __init__(self, actor_handle: ray.actor.ActorHandle):
super().__init__()
self.actor = actor_handle
def data(self) -> Dict[str, Any]:
return ray.get(self.actor.data.remote())
def all_keys(self) -> list[str]:
return ray.get(self.actor.all_keys.remote())
def index_done_callback(self):
return ray.get(self.actor.index_done_callback.remote())
def get_by_id(self, id: str) -> Union[Any, None]:
return ray.get(self.actor.get_by_id.remote(id))
def get_by_ids(self, ids: list[str], fields=None) -> list[Any]:
return ray.get(self.actor.get_by_ids.remote(ids, fields))
def get_all(self) -> Dict[str, Any]:
return ray.get(self.actor.get_all.remote())
def filter_keys(self, data: list[str]) -> set[str]:
return ray.get(self.actor.filter_keys.remote(data))
def upsert(self, data: Dict[str, Any]):
return ray.get(self.actor.upsert.remote(data))
def drop(self):
return ray.get(self.actor.drop.remote())
def reload(self):
return ray.get(self.actor.reload.remote())
class RemoteGraphStorageProxy(BaseGraphStorage):
def __init__(self, actor_handle: ray.actor.ActorHandle):
super().__init__()
self.actor = actor_handle
def index_done_callback(self):
return ray.get(self.actor.index_done_callback.remote())
def has_node(self, node_id: str) -> bool:
return ray.get(self.actor.has_node.remote(node_id))
def has_edge(self, source_node_id: str, target_node_id: str):
return ray.get(self.actor.has_edge.remote(source_node_id, target_node_id))
def node_degree(self, node_id: str) -> int:
return ray.get(self.actor.node_degree.remote(node_id))
def edge_degree(self, src_id: str, tgt_id: str) -> int:
return ray.get(self.actor.edge_degree.remote(src_id, tgt_id))
def get_node(self, node_id: str) -> Any:
return ray.get(self.actor.get_node.remote(node_id))
def update_node(self, node_id: str, node_data: dict[str, str]):
return ray.get(self.actor.update_node.remote(node_id, node_data))
def get_all_nodes(self) -> Any:
return ray.get(self.actor.get_all_nodes.remote())
def get_edge(self, source_node_id: str, target_node_id: str):
return ray.get(self.actor.get_edge.remote(source_node_id, target_node_id))
def update_edge(
self, source_node_id: str, target_node_id: str, edge_data: dict[str, str]
):
return ray.get(
self.actor.update_edge.remote(source_node_id, target_node_id, edge_data)
)
def get_all_edges(self) -> Any:
return ray.get(self.actor.get_all_edges.remote())
def get_node_edges(self, source_node_id: str) -> Any:
return ray.get(self.actor.get_node_edges.remote(source_node_id))
def upsert_node(self, node_id: str, node_data: dict[str, str]):
return ray.get(self.actor.upsert_node.remote(node_id, node_data))
def upsert_edge(
self, source_node_id: str, target_node_id: str, edge_data: dict[str, str]
):
return ray.get(
self.actor.upsert_edge.remote(source_node_id, target_node_id, edge_data)
)
def delete_node(self, node_id: str):
return ray.get(self.actor.delete_node.remote(node_id))
def reload(self):
return ray.get(self.actor.reload.remote())
class StorageFactory:
"""
Factory class to create storage instances based on backend.
"""
@staticmethod
def create_storage(backend: str, working_dir: str, namespace: str):
if backend in ["json_kv", "rocksdb"]:
actor_name = f"Actor_KV_{namespace}"
actor_class = KVStorageActor
proxy_class = RemoteKVStorageProxy
elif backend in ["networkx", "kuzu"]:
actor_name = f"Actor_Graph_{namespace}"
actor_class = GraphStorageActor
proxy_class = RemoteGraphStorageProxy
else:
raise ValueError(f"Unknown storage backend: {backend}")
try:
actor_handle = ray.get_actor(actor_name)
except ValueError:
actor_handle = ray.remote(actor_class).options(
name=actor_name,
get_if_exists=True,
).remote(backend, working_dir, namespace)
ray.get(actor_handle.ready.remote())
return proxy_class(actor_handle)
def init_storage(backend: str, working_dir: str, namespace: str):
return StorageFactory.create_storage(backend, working_dir, namespace)
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