Package com.twelvemonkeys.servlet
Class ThrottleFilter
- java.lang.Object
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- com.twelvemonkeys.servlet.GenericFilter
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- com.twelvemonkeys.servlet.ThrottleFilter
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- All Implemented Interfaces:
java.io.Serializable
,javax.servlet.Filter
,javax.servlet.FilterConfig
@Deprecated public class ThrottleFilter extends GenericFilter
Deprecated.ThrottleFilter, a filter for easing server during heavy load.Intercepts requests, and returns HTTP response code
503 (Service Unavailable)
, if there are more than a given number of concurrent requests, to avoid large backlogs. The number of concurrent requests and the response messages sent to the user agent, is configurable from the web descriptor.- Version:
- $Id: ThrottleFilter.java#1 $
- Author:
- Harald Kuhr, last modified by $Author: haku $
- See Also:
setMaxConcurrentThreadCount(java.lang.String)
,setResponseMessages(java.lang.String)
, Serialized Form
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Field Summary
Fields Modifier and Type Field Description protected static java.lang.String
DEFAULT_TYPE
Deprecated.Default response content typeprotected static java.lang.String
DEFUALT_RESPONSE_MESSAGE
Deprecated.Default response message sent to user agents, if the request is rejectedprotected int
maxConcurrentThreadCount
Deprecated.Minimum free thread count, defaults to10
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Fields inherited from class com.twelvemonkeys.servlet.GenericFilter
oncePerRequest
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Constructor Summary
Constructors Constructor Description ThrottleFilter()
Deprecated.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description protected void
doFilterImpl(javax.servlet.ServletRequest pRequest, javax.servlet.ServletResponse pResponse, javax.servlet.FilterChain pChain)
Deprecated.Invoked once, or each time a request/response pair is passed through the chain, depending on theGenericFilter.oncePerRequest
member variable.void
setMaxConcurrentThreadCount(java.lang.String pMaxConcurrentThreadCount)
Deprecated.Sets the minimum free thread count.void
setResponseMessages(java.lang.String pResponseMessages)
Deprecated.Sets the response message sent to the user agent, if the request is rejected.-
Methods inherited from class com.twelvemonkeys.servlet.GenericFilter
destroy, doFilter, getFilterConfig, getFilterName, getInitParameter, getInitParameterNames, getServletContext, init, init, log, log, setFilterConfig, setOncePerRequest
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Field Detail
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maxConcurrentThreadCount
protected int maxConcurrentThreadCount
Deprecated.Minimum free thread count, defaults to10
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DEFUALT_RESPONSE_MESSAGE
protected static final java.lang.String DEFUALT_RESPONSE_MESSAGE
Deprecated.Default response message sent to user agents, if the request is rejected- See Also:
- Constant Field Values
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DEFAULT_TYPE
protected static final java.lang.String DEFAULT_TYPE
Deprecated.Default response content type- See Also:
- Constant Field Values
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Method Detail
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setMaxConcurrentThreadCount
public void setMaxConcurrentThreadCount(java.lang.String pMaxConcurrentThreadCount)
Deprecated.Sets the minimum free thread count.- Parameters:
pMaxConcurrentThreadCount
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setResponseMessages
public void setResponseMessages(java.lang.String pResponseMessages)
Deprecated.Sets the response message sent to the user agent, if the request is rejected.
The format is<mime-type>=<filename>, <mime-type>=<filename>
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Example:<text/vnd.wap.wmlgt;=</errors/503.wml>, <text/html>=</errors/503.html>
- Parameters:
pResponseMessages
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doFilterImpl
protected void doFilterImpl(javax.servlet.ServletRequest pRequest, javax.servlet.ServletResponse pResponse, javax.servlet.FilterChain pChain) throws java.io.IOException, javax.servlet.ServletException
Deprecated.Description copied from class:GenericFilter
Invoked once, or each time a request/response pair is passed through the chain, depending on theGenericFilter.oncePerRequest
member variable.- Specified by:
doFilterImpl
in classGenericFilter
- Parameters:
pRequest
-pResponse
-pChain
-- Throws:
java.io.IOException
javax.servlet.ServletException
- See Also:
GenericFilter.oncePerRequest
,doFilter
,Filter.doFilter
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