org.apache.solr.cloud.autoscaling.TriggerUtils 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.solr.cloud.autoscaling;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
*
*/
public class TriggerUtils {
// validation helper methods
public static void requiredProperties(Set required, Set valid, String... propertyNames) {
required.addAll(Arrays.asList(propertyNames));
valid.addAll(Arrays.asList(propertyNames));
}
public static void validProperties(Set valid, String... propertyNames) {
valid.addAll(Arrays.asList(propertyNames));
}
public static void checkProperties(Map properties, Map results, Set required, Set valid) {
checkValidPropertyNames(properties, results, valid);
checkRequiredPropertyNames(properties, results, required);
}
public static void checkValidPropertyNames(Map properties, Map results, Set valid) {
Set currentNames = new HashSet<>(properties.keySet());
currentNames.removeAll(valid);
if (!currentNames.isEmpty()) {
for (String name : currentNames) {
results.put(name, "unknown property");
}
}
}
public static void checkRequiredPropertyNames(Map properties, Map results, Set required) {
Set requiredNames = new HashSet<>(required);
requiredNames.removeAll(properties.keySet());
if (!requiredNames.isEmpty()) {
for (String name : requiredNames) {
results.put(name, "missing required property");
}
}
}
public static void checkProperty(Map properties, Map results, String name, boolean required, Class... acceptClasses) {
Object value = properties.get(name);
if (value == null) {
if (required) {
results.put(name, "missing required value");
} else {
return;
}
}
if (acceptClasses == null || acceptClasses.length == 0) {
return;
}
boolean accepted = false;
for (Class clz : acceptClasses) {
if (clz.isAssignableFrom(value.getClass())) {
accepted = true;
break;
}
}
if (!accepted) {
results.put(name, "value is not an expected type");
}
}
}