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google--adk-python/contributing/samples/workflows/fan_out_fan_in/agent.py
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chore: import upstream snapshot with attribution
2026-07-13 13:25:13 +08:00

56 lines
1.4 KiB
Python

# Copyright 2026 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 typing import Any
from google.adk import Event
from google.adk import Workflow
from google.adk.workflow import JoinNode
def make_uppercase(node_input: str):
return node_input.upper()
def count_characters(node_input: str):
return len(node_input)
def reverse_string(node_input: str):
return node_input[::-1]
join_node = JoinNode(name="join_for_results")
async def aggregate(node_input: dict[str, Any]):
yield Event(
message=(
f"Uppercase: {node_input['make_uppercase']}\n\n"
f"Character Count: {node_input['count_characters']}\n\n"
f"Reversed: {node_input['reverse_string']}\n\n"
),
)
root_agent = Workflow(
name="root_agent",
edges=[(
"START",
(make_uppercase, count_characters, reverse_string),
join_node,
aggregate,
)],
)