dubbo.apache.org/dubbo-go/v3@v3.1.1/config/instance/metadata_report.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package instance
    19  
    20  import (
    21  	"sync"
    22  )
    23  
    24  import (
    25  	"dubbo.apache.org/dubbo-go/v3/common"
    26  	"dubbo.apache.org/dubbo-go/v3/common/extension"
    27  	"dubbo.apache.org/dubbo-go/v3/metadata/report"
    28  )
    29  
    30  var (
    31  	instance  report.MetadataReport
    32  	reportUrl *common.URL
    33  	once      sync.Once
    34  )
    35  
    36  func GetMetadataReportInstance() report.MetadataReport {
    37  	if instance == nil {
    38  		instance = report.NewPubMetricEventReport(GetMetadataReportByRegistryProtocol(""))
    39  	}
    40  	return instance
    41  }
    42  
    43  // SetMetadataReportInstance, init metadat report instance
    44  func SetMetadataReportInstance(selectiveUrl ...*common.URL) {
    45  	once.Do(func() {
    46  		var url *common.URL
    47  		if len(selectiveUrl) > 0 {
    48  			url = selectiveUrl[0]
    49  			fac := extension.GetMetadataReportFactory(url.Protocol)
    50  			if fac != nil {
    51  				instance = report.NewPubMetricEventReport(fac.CreateMetadataReport(url))
    52  			}
    53  			reportUrl = url
    54  		}
    55  	})
    56  }
    57  
    58  // GetMetadataReportUrl will return the report instance url
    59  func GetMetadataReportUrl() *common.URL {
    60  	return reportUrl
    61  }
    62  
    63  // SetMetadataReportUrl will only can be used by unit test to mock url
    64  func SetMetadataReportUrl(url *common.URL) {
    65  	reportUrl = url
    66  }