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Update cluster demo README and remove unused demo 

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
This commit is contained in:
Eric Zhao 2019-01-14 14:16:58 +08:00
parent a06a7cf86e
commit a5e95b7b24
2 changed files with 6 additions and 62 deletions
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sentinel-demo/sentinel-demo-cluster/sentinel-demo-cluster-embedded/README.md Normal file
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# Sentinel Cluster Embedded Mode Demo
This demo demonstrates how to configure data source for cluster rules and configuration
in **embedded mode**. You can start multiple `ClusterDemoApplication` instances and do cluster assignment in Sentinel dashboard or via dynamic data source.
See [DemoClusterInitFunc](https://github.com/alibaba/Sentinel/blob/master/sentinel-demo/sentinel-demo-cluster/sentinel-demo-cluster-embedded/src/main/java/com/alibaba/csp/sentinel/demo/cluster/init/DemoClusterInitFunc.java) for a sample of dynamic configuration.

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sentinel-demo/sentinel-demo-cluster/sentinel-demo-cluster-embedded/src/main/java/com/alibaba/csp/sentinel/demo/cluster/ClusterClientDemo.java
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/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed 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 com.alibaba.csp.sentinel.demo.cluster;
import com.alibaba.csp.sentinel.Entry;
import com.alibaba.csp.sentinel.EntryType;
import com.alibaba.csp.sentinel.SphU;
import com.alibaba.csp.sentinel.cluster.ClusterStateManager;
import com.alibaba.csp.sentinel.init.InitExecutor;
import com.alibaba.csp.sentinel.slots.block.BlockException;
/**
* <p>Run this demo with the following args: -Dproject.name=appA</p>
* <p>You need a token server running already.</p>
*
* @author Eric Zhao
*/
public class ClusterClientDemo {
public static void main(String[] args) {
InitExecutor.doInit();
// Manually schedule the cluster mode to client.
// In common, we need a scheduling system to modify the cluster mode automatically.
// Command HTTP API: http://<ip>:<port>/setClusterMode?mode=<xxx>
ClusterStateManager.setToClient();
String resourceName = "cluster-demo-entry";
// Assume we have a cluster flow rule for `demo-resource`: QPS = 5 in AVG_LOCAL mode.
for (int i = 0; i < 10; i++) {
tryEntry(resourceName);
}
}
private static void tryEntry(String res) {
Entry entry = null;
try {
entry = SphU.entry(res, EntryType.IN, 1, "abc", "def");
System.out.println("Passed");
} catch (BlockException ex) {
ex.printStackTrace();
} finally {
if (entry != null) {
entry.exit();
}
}
}
}