org.apache.flink.runtime.healthmanager.plugins.policies.PolicyUtils Maven / Gradle / Ivy
/*
* 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.flink.runtime.healthmanager.plugins.policies;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.healthmanager.HealthMonitor;
import org.apache.flink.runtime.healthmanager.plugins.Policy;
/**
* Utils to load policy.
*/
public class PolicyUtils {
public static Policy load(Configuration config) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
Policy policy;
if (config.contains(HealthMonitor.POLICY_CLASS)) {
policy = (Policy) Class.forName(config.getString(HealthMonitor.POLICY_CLASS)).newInstance();
} else {
policy = new TimedSuspendPolicy();
}
return policy;
}
public static Policy loadBuiltInPolicy(Configuration config) {
Policy policy;
if (config.getBoolean(HealthMonitor.DRY_RUN_ENABLED)) {
policy = new DryRunPolicy();
} else if (TargetRpsPolicy.isEnabled(config)) {
policy = new TargetRpsPolicy();
} else if (config.contains(HealthMonitor.RESOLVER_CLASSES) && config.contains(HealthMonitor.DETECTOR_CLASSES)) {
policy = new PreDefinedPolicy();
} else {
policy = new DefaultPolicy();
}
return policy;
}
}