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Remove duplicate class in sentinel-core (#309) 

ClusterTokenClient.java,TokenClientProvider.java in package `com.alibaba.csp.sentinel.cluster`
This commit is contained in:
leitao 2018-12-17 14:14:16 +08:00 committed by Eric Zhao
parent cfcf45de99
commit e5cc277f0a
2 changed files with 0 additions and 93 deletions
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32
sentinel-core/src/main/java/com/alibaba/csp/sentinel/cluster/ClusterTokenClient.java
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@ -1,32 +0,0 @@
/*
* 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.cluster;
/**
* Token client interface for distributed flow control.
*
* @author Eric Zhao
* @since 1.4.0
*/
public interface ClusterTokenClient extends TokenService {
/**
* Get descriptor of current token server.
*
* @return current token server
*/
TokenServerDescriptor currentServer();
}

61
sentinel-core/src/main/java/com/alibaba/csp/sentinel/cluster/TokenClientProvider.java
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@ -1,61 +0,0 @@
/*
* 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.cluster;
import java.util.ArrayList;
import java.util.List;
import java.util.ServiceLoader;
import com.alibaba.csp.sentinel.log.RecordLog;
/**
* Provider for a universal {@link ClusterTokenClient} instance.
*
* @author Eric Zhao
* @since 1.4.0
*/
public final class TokenClientProvider {
private static ClusterTokenClient client = null;
private static final ServiceLoader<ClusterTokenClient> LOADER = ServiceLoader.load(ClusterTokenClient.class);
static {
// Not strictly thread-safe, but it's OK since it will be resolved only once.
resolveTokenClientInstance();
}
public static ClusterTokenClient getClient() {
return client;
}
private static void resolveTokenClientInstance() {
List<ClusterTokenClient> clients = new ArrayList<ClusterTokenClient>();
for (ClusterTokenClient client : LOADER) {
clients.add(client);
}
if (!clients.isEmpty()) {
// Get first.
client = clients.get(0);
RecordLog.info("[TokenClientProvider] Token client resolved: " + client.getClass().getCanonicalName());
} else {
RecordLog.warn("[TokenClientProvider] No existing token client, resolve failed");
}
}
private TokenClientProvider() {}
}