| /* |
| * 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 cluster_impl |
| |
| import ( |
| "github.com/apache/dubbo-go/cluster" |
| "github.com/apache/dubbo-go/common/extension" |
| "github.com/apache/dubbo-go/protocol" |
| ) |
| |
| type forkingCluster struct{} |
| |
| const forking = "forking" |
| |
| func init() { |
| extension.SetCluster(forking, NewForkingCluster) |
| } |
| |
| // NewForkingCluster returns a forking cluster instance. |
| // |
| // Multiple servers are invoked in parallel, returning as soon as one succeeds. |
| // Usually it is used for real-time demanding read operations while wasting more service resources. |
| func NewForkingCluster() cluster.Cluster { |
| return &forkingCluster{} |
| } |
| |
| // Join returns a baseClusterInvoker instance |
| func (cluster *forkingCluster) Join(directory cluster.Directory) protocol.Invoker { |
| return newForkingClusterInvoker(directory) |
| } |