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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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f513c39d
编写于
6月 07, 2020
作者:
Z
zifeihan
提交者:
GitHub
6月 07, 2020
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Enhance hystrix plugin,see
https://github.com/apache/skywalking/issues/4850
(#4857)
上级
f3d907bf
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
92 addition
and
0 deletion
+92
-0
apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/hystrix/v1/SWHystrixConcurrencyStrategyWrapper.java
...lugin/hystrix/v1/SWHystrixConcurrencyStrategyWrapper.java
+8
-0
apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/hystrix/v1/SWHystrixLifecycleForwardingRequestVariable.java
...strix/v1/SWHystrixLifecycleForwardingRequestVariable.java
+84
-0
未找到文件。
apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/hystrix/v1/SWHystrixConcurrencyStrategyWrapper.java
浏览文件 @
f513c39d
...
...
@@ -21,6 +21,9 @@ package org.apache.skywalking.apm.plugin.hystrix.v1;
import
com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy
;
import
java.util.concurrent.Callable
;
import
com.netflix.hystrix.strategy.concurrency.HystrixRequestVariable
;
import
com.netflix.hystrix.strategy.concurrency.HystrixRequestVariableLifecycle
;
import
org.apache.skywalking.apm.agent.core.conf.RuntimeContextConfiguration
;
import
org.apache.skywalking.apm.agent.core.context.ContextManager
;
import
org.apache.skywalking.apm.agent.core.context.RuntimeContextSnapshot
;
...
...
@@ -39,6 +42,11 @@ public class SWHystrixConcurrencyStrategyWrapper extends HystrixConcurrencyStrat
return
new
WrappedCallable
<
T
>(
ContextManager
.
getRuntimeContext
().
capture
(),
delegateCallable
);
}
@Override
public
<
T
>
HystrixRequestVariable
<
T
>
getRequestVariable
(
HystrixRequestVariableLifecycle
<
T
>
rv
)
{
return
new
SWHystrixLifecycleForwardingRequestVariable
(
rv
);
}
static
class
WrappedCallable
<
T
>
implements
Callable
<
T
>
{
private
final
RuntimeContextSnapshot
contextSnapshot
;
...
...
apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/hystrix/v1/SWHystrixLifecycleForwardingRequestVariable.java
0 → 100644
浏览文件 @
f513c39d
/*
* 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.skywalking.apm.plugin.hystrix.v1
;
import
com.netflix.hystrix.strategy.concurrency.HystrixRequestContext
;
import
com.netflix.hystrix.strategy.concurrency.HystrixRequestVariable
;
import
com.netflix.hystrix.strategy.concurrency.HystrixRequestVariableDefault
;
import
com.netflix.hystrix.strategy.concurrency.HystrixRequestVariableLifecycle
;
import
com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy
;
/**
* Implementation of {@link HystrixRequestVariable} which forwards to the wrapped
* {@link HystrixRequestVariableLifecycle}.
* <p>
* This implementation also returns null when {@link #get()} is called while the {@link HystrixRequestContext} has not
* been initialized rather than throwing an exception, allowing for use in a {@link HystrixConcurrencyStrategy} which
* does not depend on an a HystrixRequestContext
*/
public
class
SWHystrixLifecycleForwardingRequestVariable
<
T
>
extends
HystrixRequestVariableDefault
<
T
>
{
private
final
HystrixRequestVariableLifecycle
<
T
>
lifecycle
;
/**
* Creates a HystrixRequestVariable which will return data as provided by the {@link HystrixRequestVariableLifecycle}
*
* @param lifecycle lifecycle used to provide values. Must have the same type parameter as the constructed instance.
*/
public
SWHystrixLifecycleForwardingRequestVariable
(
HystrixRequestVariableLifecycle
<
T
>
lifecycle
)
{
this
.
lifecycle
=
lifecycle
;
}
/**
* Delegates to the wrapped {@link HystrixRequestVariableLifecycle}
*
* @return T with initial value or null if none.
*/
@Override
public
T
initialValue
()
{
return
lifecycle
.
initialValue
();
}
/**
* Delegates to the wrapped {@link HystrixRequestVariableLifecycle}
*
* @param value of request variable to allow cleanup activity.
* <p>
* If nothing needs to be cleaned up then nothing needs to be done in this method.
*/
@Override
public
void
shutdown
(
T
value
)
{
lifecycle
.
shutdown
(
value
);
}
/**
* Return null if the {@link HystrixRequestContext} has not been initialized for the current thread.
* <p>
* If {@link HystrixRequestContext} has been initialized then call method in superclass:
* {@link HystrixRequestVariableDefault#get()}
*/
@Override
public
T
get
()
{
if
(!
HystrixRequestContext
.
isCurrentThreadInitialized
())
{
return
null
;
}
return
super
.
get
();
}
}
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