org.apache.pulsar.functions.runtime.RuntimeFactory Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.pulsar.functions.runtime;
import java.util.Optional;
import org.apache.pulsar.common.util.Reflections;
import org.apache.pulsar.functions.auth.FunctionAuthProvider;
import org.apache.pulsar.functions.instance.AuthenticationConfig;
import org.apache.pulsar.functions.instance.InstanceConfig;
import org.apache.pulsar.functions.proto.Function;
import org.apache.pulsar.functions.secretsproviderconfigurator.SecretsProviderConfigurator;
import org.apache.pulsar.functions.worker.ConnectorsManager;
import org.apache.pulsar.functions.worker.FunctionsManager;
import org.apache.pulsar.functions.worker.WorkerConfig;
/**
* A factory to create {@link Runtime}s to invoke functions.
*/
public interface RuntimeFactory extends AutoCloseable {
void initialize(WorkerConfig workerConfig,
AuthenticationConfig authenticationConfig,
SecretsProviderConfigurator secretsProviderConfigurator,
ConnectorsManager connectorsManager,
FunctionsManager functionsManager,
Optional authProvider,
Optional runtimeCustomizer) throws Exception;
/**
* Create a function container to execute a java instance.
*
* @param instanceConfig java instance config
* @param codeFile code file
* @param expectedHealthCheckInterval expected health check interval in seconds
* @return function container to start/stop instance
*/
Runtime createContainer(
InstanceConfig instanceConfig, String codeFile, String originalCodeFileName,
String transformFunctionFile, String originalTransformFunctionFileName,
Long expectedHealthCheckInterval) throws Exception;
default boolean externallyManaged() {
return false;
}
default void doAdmissionChecks(Function.FunctionDetails functionDetails) {
}
default Optional getAuthProvider() {
return Optional.empty();
}
default Optional getRuntimeCustomizer() {
return Optional.empty();
}
@Override
void close();
static RuntimeFactory getFuntionRuntimeFactory(String className) {
return Reflections
.createInstance(className, RuntimeFactory.class, Thread.currentThread().getContextClassLoader());
}
}