Skip to content
Snippets Groups Projects
Select Git revision
  • bb88770b37443c81b9fca3e498dc3c7c9dde4ab1
  • master default protected
  • 3.0
  • develop
  • revert-2069-tripleVersion
  • 3.1
  • rest-protocol
  • feat/remoting_rocketmq
  • dapr-support
  • 1.5
  • 1.4
  • 1.3
  • 1.2
  • 1.1
  • v3.0.3-rc2
  • v3.0.3-rc1
  • v3.0.2
  • v1.5.8
  • v1.5.9-rc1
  • v3.0.1
  • v1.5.8-rc1
  • v3.0.0
  • v3.0.0-rc4-1
  • v3.0.0-rc4
  • v3.0.0-rc3
  • v1.5.7
  • v1.5.7-rc2
  • v3.0.0-rc2
  • remove
  • v1.5.7-rc1
  • v3.0.0-rc1
  • v1.5.7-rc1-tmp
  • 1.5.6
  • v1.5.6
34 results

registry_aware_cluster_invoker.go

Blame
  • registry_aware_cluster_invoker.go 1.87 KiB
    /*
     * 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 (
    	"context"
    )
    import (
    	"github.com/apache/dubbo-go/cluster"
    	"github.com/apache/dubbo-go/common/constant"
    	"github.com/apache/dubbo-go/protocol"
    )
    
    type registryAwareClusterInvoker struct {
    	baseClusterInvoker
    }
    
    func newRegistryAwareClusterInvoker(directory cluster.Directory) protocol.Invoker {
    	return &registryAwareClusterInvoker{
    		baseClusterInvoker: newBaseClusterInvoker(directory),
    	}
    }
    
    func (invoker *registryAwareClusterInvoker) Invoke(ctx context.Context, invocation protocol.Invocation) protocol.Result {
    	invokers := invoker.directory.List(invocation)
    	//First, pick the invoker (XXXClusterInvoker) that comes from the local registry, distinguish by a 'default' key.
    	for _, invoker := range invokers {
    		if invoker.IsAvailable() && invoker.GetUrl().GetParam(constant.REGISTRY_DEFAULT_KEY, "false") == "true" {
    			return invoker.Invoke(ctx, invocation)
    		}
    	}
    
    	//If none of the invokers has a local signal, pick the first one available.
    	for _, invoker := range invokers {
    		if invoker.IsAvailable() {
    			return invoker.Invoke(ctx, invocation)
    		}
    	}
    	return nil
    }