| /* |
| * 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.solr.cloud.autoscaling; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.solr.client.solrj.cloud.autoscaling.AutoScalingConfig; |
| import org.apache.solr.client.solrj.cloud.SolrCloudManager; |
| import org.apache.solr.core.SolrResourceLoader; |
| |
| /** |
| * Base class for implementations of {@link TriggerListener}. |
| * |
| * @deprecated to be removed in Solr 9.0 (see SOLR-14656) |
| */ |
| public abstract class TriggerListenerBase implements TriggerListener { |
| |
| protected AutoScalingConfig.TriggerListenerConfig config; |
| protected SolrCloudManager cloudManager; |
| protected SolrResourceLoader loader; |
| protected boolean enabled; |
| /** |
| * Set of valid property names. Subclasses may add to this set |
| * using {@link TriggerUtils#validProperties(Set, String...)} |
| */ |
| protected final Set<String> validProperties = new HashSet<>(); |
| /** |
| * Set of required property names. Subclasses may add to this set |
| * using {@link TriggerUtils#requiredProperties(Set, Set, String...)} |
| * (required properties are also valid properties). |
| */ |
| protected final Set<String> requiredProperties = new HashSet<>(); |
| /** |
| * Subclasses can add to this set if they want to allow arbitrary properties that |
| * start with one of valid prefixes. |
| */ |
| protected final Set<String> validPropertyPrefixes = new HashSet<>(); |
| |
| protected TriggerListenerBase() { |
| TriggerUtils.requiredProperties(requiredProperties, validProperties, "trigger"); |
| TriggerUtils.validProperties(validProperties, "name", "class", "stage", "beforeAction", "afterAction", "enabled"); |
| } |
| |
| @Override |
| public void configure(SolrResourceLoader loader, SolrCloudManager cloudManager, AutoScalingConfig.TriggerListenerConfig config) throws TriggerValidationException { |
| this.loader = loader; |
| this.cloudManager = cloudManager; |
| this.config = config; |
| this.enabled = Boolean.parseBoolean(String.valueOf(config.properties.getOrDefault("enabled", true))); |
| // validate the config |
| Map<String, String> results = new HashMap<>(); |
| // prepare a copy to treat the prefix-based properties |
| Map<String, Object> propsToCheck = new HashMap<>(config.properties); |
| propsToCheck.keySet().removeIf(k -> |
| validPropertyPrefixes.stream().anyMatch(p -> k.startsWith(p))); |
| TriggerUtils.checkProperties(propsToCheck, results, requiredProperties, validProperties); |
| if (!results.isEmpty()) { |
| throw new TriggerValidationException(config.name, results); |
| } |
| } |
| |
| @Override |
| public AutoScalingConfig.TriggerListenerConfig getConfig() { |
| return config; |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| return enabled; |
| } |
| |
| @Override |
| public void init() throws Exception { |
| |
| } |
| |
| @Override |
| public void close() throws IOException { |
| |
| } |
| } |