Package com.codahale.metrics.servlet
Class AbstractInstrumentedFilter
java.lang.Object
com.codahale.metrics.servlet.AbstractInstrumentedFilter
- All Implemented Interfaces:
javax.servlet.Filter
- Direct Known Subclasses:
InstrumentedFilter
Filter
implementation which captures request information and a breakdown of the response
codes being returned.-
Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionprivate static class
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Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
destroy()
void
doFilter
(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) private MetricRegistry
getMetricsFactory
(javax.servlet.FilterConfig filterConfig) void
init
(javax.servlet.FilterConfig filterConfig) private void
markMeterForStatusCode
(int status)
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Field Details
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otherMetricName
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meterNamesByStatusCode
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registryAttribute
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metersByStatusCode
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otherMeter
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activeRequests
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requestTimer
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Constructor Details
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AbstractInstrumentedFilter
protected AbstractInstrumentedFilter(String registryAttribute, Map<Integer, String> meterNamesByStatusCode, String otherMetricName) Creates a new instance of the filter.- Parameters:
registryAttribute
- the attribute used to look up the metrics registry in the servlet contextmeterNamesByStatusCode
- A map, keyed by status code, of meter names that we are interested in.otherMetricName
- The name used for the catch-all meter.
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Method Details
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init
public void init(javax.servlet.FilterConfig filterConfig) throws javax.servlet.ServletException - Specified by:
init
in interfacejavax.servlet.Filter
- Throws:
javax.servlet.ServletException
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getMetricsFactory
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destroy
public void destroy()- Specified by:
destroy
in interfacejavax.servlet.Filter
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doFilter
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) throws IOException, javax.servlet.ServletException - Specified by:
doFilter
in interfacejavax.servlet.Filter
- Throws:
IOException
javax.servlet.ServletException
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markMeterForStatusCode
private void markMeterForStatusCode(int status)
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