dubbo EnableRouterSnapshot 源码
dubbo EnableRouterSnapshot 代码
文件路径：/dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/command/impl/EnableRouterSnapshot.java
/*
* 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.dubbo.qos.command.impl;
import org.apache.dubbo.qos.command.BaseCommand;
import org.apache.dubbo.qos.command.CommandContext;
import org.apache.dubbo.qos.command.annotation.Cmd;
import org.apache.dubbo.rpc.cluster.router.RouterSnapshotSwitcher;
import org.apache.dubbo.rpc.model.ConsumerModel;
import org.apache.dubbo.rpc.model.FrameworkModel;
import org.apache.dubbo.rpc.model.ServiceMetadata;
@Cmd(name = "enableRouterSnapshot",
summary = "Enable Dubbo Invocation Level Router Snapshot Print",
example = "enableRouterSnapshot xx.xx.xxx.service")
public class EnableRouterSnapshot implements BaseCommand {
private final RouterSnapshotSwitcher routerSnapshotSwitcher;
private final FrameworkModel frameworkModel;
public EnableRouterSnapshot(FrameworkModel frameworkModel) {
this.frameworkModel = frameworkModel;
this.routerSnapshotSwitcher = frameworkModel.getBeanFactory().getBean(RouterSnapshotSwitcher.class);
}
@Override
public String execute(CommandContext commandContext, String[] args) {
if (args.length != 1) {
return "args count should be 1. example enableRouterSnapshot xx.xx.xxx.service";
}
String servicePattern = args[0];
int count = 0;
for (ConsumerModel consumerModel : frameworkModel.getServiceRepository().allConsumerModels()) {
try {
ServiceMetadata metadata = consumerModel.getServiceMetadata();
if (metadata.getServiceKey().matches(servicePattern) || metadata.getDisplayServiceKey().matches(servicePattern)) {
routerSnapshotSwitcher.addEnabledService(metadata.getServiceKey());
count += 1;
}
} catch (Throwable ignore) {
}
}
return "OK. Found service count: " + count + ". This will cause performance degradation, please be careful!";
}
}
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