Python java_actor_class Examples

Example #1

File: test_cross_language.py Project: wuisawesome/ray

def test_cross_language_raise_kwargs(shutdown_only):
    ray.init(job_config=ray.job_config.JobConfig(code_search_path=sys.path))

    with pytest.raises(Exception, match="kwargs"):
        ray.java_function("a", "b").remote(x="arg1")

    with pytest.raises(Exception, match="kwargs"):
        ray.java_actor_class("a").remote(x="arg1")

Example #2

File: test_cross_language.py Project: zachkeer/ray

def test_cross_language_raise_kwargs(shutdown_only):
    ray.init(_load_code_from_local=True, _include_java=True)

    with pytest.raises(Exception, match="kwargs"):
        ray.java_function("a", "b").remote(x="arg1")

    with pytest.raises(Exception, match="kwargs"):
        ray.java_actor_class("a").remote(x="arg1")

Example #3

File: test_cross_language_invocation.py Project: zzmcdc/ray

def py_func_call_java_actor(value):
    assert isinstance(value, bytes)
    c = ray.java_actor_class(
        "io.ray.test.CrossLanguageInvocationTest$TestActor")
    java_actor = c.remote(b"Counter")
    r = java_actor.concat.remote(value)
    return ray.get(r)

Example #4

def py_func_call_java_overloaded_method():
    cls = ray.java_actor_class("io.ray.test.ExampleImpl")
    handle = cls.remote()
    ref1 = handle.overloadedFunc.remote("first")
    ref2 = handle.overloadedFunc.remote("first", "second")
    result = ray.get([ref1, ref2])
    assert result == ["first", "firstsecond"]
    return True

Example #5

def py_func_call_java_overrided_method_with_default_keyword():
    cls = ray.java_actor_class("io.ray.test.ExampleImpl")
    handle = cls.remote()
    return ray.get(handle.echo.remote("hi"))

Example #6

"""
Ray driver calling ray.init() and connecting to auto ray runtime. 

Ensure to start ray from the console to run this one:
    $ ray start --head --port=6379
"""
import ray

ray.init(
    address="auto",
    job_config=ray.job_config.JobConfig(code_search_path='../scala-pi.jar'),
)

pi_spark_class = ray.java_actor_class("org.example.application.PiSpark")

pi_spark = pi_spark_class.remote()
pi_spark_compute_ref = pi_spark.computePi.remote(5000)
print(f"Pi is: {ray.get(pi_spark_compute_ref)}")

Example #7

 def __init__(self):
     self._python_gateway_actor = ray.java_actor_class(
         GatewayClient._PYTHON_GATEWAY_CLASSNAME).remote()

Example #8

import ray
import time
from ray_echo import RayEcho

# Crates a RayEcho in a worker process.
ray.init(address="auto", job_config=ray.job_config.JobConfig(code_search_path=["echo.jar"]))
echo_actor = RayEcho.remote()

# instantiate java actors
java_echo_class = ray.java_actor_class("org.example.application.EchoClient")
java_handles = [java_echo_class.remote(i) for i in range(0, 4)]

java_echo_refs = [java_handle.addEcho.remote(echo_actor) for java_handle in java_handles]

java_echo_results = [ ray.get(java_echo_ref) for java_echo_ref in java_echo_refs]

time.sleep(2)

echoes = ray.get(echo_actor.get_echoes.remote())

assert len(echoes) == 4

print(echoes)