Agent Development Kit(ADK)

An easy-to-use and powerful framework to build AI agents.

src/google/adk/agents/active_streaming_tool.py

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+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+import asyncio
+from typing import Optional
+
+from pydantic import BaseModel
+from pydantic import ConfigDict
+
+from .live_request_queue import LiveRequestQueue
+
+
+class ActiveStreamingTool(BaseModel):
+  """Manages streaming tool related resources during invocation."""
+
+  model_config = ConfigDict(
+      arbitrary_types_allowed=True,
+      extra='forbid',
+  )
+
+  task: Optional[asyncio.Task] = None
+  """The active task of this streaming tool."""
+
+  stream: Optional[LiveRequestQueue] = None
+  """The active (input) streams of this streaming tool."""