| package org.apache.helix.rest.server.json.instance; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.fasterxml.jackson.annotation.JsonInclude; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| @JsonInclude(JsonInclude.Include.NON_EMPTY) |
| public class InstanceInfo { |
| private static final Logger _logger = LoggerFactory.getLogger(InstanceInfo.class); |
| |
| @JsonProperty("id") |
| private final String id; |
| @JsonProperty("liveInstance") |
| private final ZNRecord liveInstance; |
| @JsonProperty("config") |
| private final ZNRecord instanceConfig; |
| @JsonProperty("partitions") |
| private final List<String> partitions; |
| @JsonInclude(JsonInclude.Include.NON_EMPTY) |
| @JsonProperty("resources") |
| private final List<String> resources; |
| @JsonProperty("health") |
| private final boolean isHealth; |
| @JsonProperty("failedHealthChecks") |
| private final List<String> failedHealthChecks; |
| |
| private InstanceInfo(Builder builder) { |
| id = builder.id; |
| liveInstance = builder.liveInstance; |
| instanceConfig = builder.instanceConfig; |
| partitions = builder.partitions; |
| resources = builder.resources; |
| isHealth = builder.isHealth; |
| failedHealthChecks = builder.failedHealthChecks; |
| } |
| |
| public static final class Builder { |
| private String id; |
| private ZNRecord liveInstance; |
| private ZNRecord instanceConfig; |
| private List<String> partitions; |
| private List<String> resources; |
| private boolean isHealth; |
| private List<String> failedHealthChecks; |
| |
| public Builder(String id) { |
| this.id = id; |
| } |
| |
| public Builder liveInstance(ZNRecord liveInstance) { |
| this.liveInstance = liveInstance; |
| return this; |
| } |
| |
| public Builder instanceConfig(ZNRecord instanceConfig) { |
| this.instanceConfig = instanceConfig; |
| return this; |
| } |
| |
| public Builder partitions(List<String> partitions) { |
| this.partitions = partitions; |
| return this; |
| } |
| |
| public Builder resources(List<String> resources) { |
| this.resources = resources; |
| return this; |
| } |
| |
| public Builder healthStatus(Map<String, Boolean> healthChecks) { |
| this.failedHealthChecks = new ArrayList<>(); |
| for (String healthCheck : healthChecks.keySet()) { |
| if (!healthChecks.get(healthCheck)) { |
| _logger.warn("Health Check {} failed", healthCheck); |
| this.failedHealthChecks.add(healthCheck); |
| } |
| } |
| this.isHealth = this.failedHealthChecks.isEmpty(); |
| return this; |
| } |
| |
| public Builder healthStatus(boolean isHealth) { |
| this.isHealth = isHealth; |
| return this; |
| } |
| |
| public InstanceInfo build() { |
| return new InstanceInfo(this); |
| } |
| } |
| } |