| /* |
| * 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.druid.server.http; |
| |
| import com.google.common.collect.Maps; |
| import com.google.inject.Inject; |
| import com.sun.jersey.spi.container.ResourceFilters; |
| import org.apache.druid.client.selector.Server; |
| import org.apache.druid.server.http.security.StateResourceFilter; |
| import org.apache.druid.server.router.TieredBrokerHostSelector; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| /** |
| */ |
| @Path("/druid/router/v1") |
| public class RouterResource |
| { |
| private final TieredBrokerHostSelector tieredBrokerHostSelector; |
| |
| @Inject |
| public RouterResource(TieredBrokerHostSelector tieredBrokerHostSelector) |
| { |
| this.tieredBrokerHostSelector = tieredBrokerHostSelector; |
| } |
| |
| @GET |
| @Path("/brokers") |
| @ResourceFilters(StateResourceFilter.class) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Map<String, List<String>> getBrokers() |
| { |
| Map<String, List<Server>> brokerSelectorMap = tieredBrokerHostSelector.getAllBrokers(); |
| |
| Map<String, List<String>> brokersMap = Maps.newHashMapWithExpectedSize(brokerSelectorMap.size()); |
| |
| for (Map.Entry<String, List<Server>> e : brokerSelectorMap.entrySet()) { |
| brokersMap.put(e.getKey(), e.getValue().stream().map(s -> s.getHost()).collect(Collectors.toList())); |
| } |
| |
| return brokersMap; |
| } |
| } |