A B C D E H I M O P R S T U V

A

addCommonTag(String, String) - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

addCommonTags(Iterable<Tag>) - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

allMetricSets() - Static method in class org.apache.hc.client5.http.observation.ObservingOptions

Convenience: turn on all metric groups.

apply(List<Tag>, String, int, String, String, String) - Method in interface org.apache.hc.client5.http.observation.ObservingOptions.TagCustomizer

AsyncIoByteCounterExec - Class in org.apache.hc.client5.http.observation.interceptors

Counts request / response payload bytes for asynchronous clients.

AsyncIoByteCounterExec(MeterRegistry, ObservingOptions, MetricConfig) - Constructor for class org.apache.hc.client5.http.observation.interceptors.AsyncIoByteCounterExec

AsyncTimerExec - Class in org.apache.hc.client5.http.observation.interceptors

Records request latency and response counters for asynchronous clients.

AsyncTimerExec(MeterRegistry, ObservingOptions, MetricConfig) - Constructor for class org.apache.hc.client5.http.observation.interceptors.AsyncTimerExec

B

bindTo(MeterRegistry) - Method in class org.apache.hc.client5.http.observation.binder.ConnPoolMeters

bindTo(HttpClientBuilder, MeterRegistry, MetricConfig) - Static method in class org.apache.hc.client5.http.observation.binder.ConnPoolMeters

Binds pool gauges for the connection manager currently attached to the given builder.

bindTo(HttpClientBuilder, MeterRegistry) - Static method in class org.apache.hc.client5.http.observation.binder.ConnPoolMeters

Binds pool gauges using MetricConfig.DEFAULT.

bindTo(MeterRegistry) - Method in class org.apache.hc.client5.http.observation.binder.ConnPoolMetersAsync

bindTo(HttpAsyncClientBuilder, MeterRegistry, MetricConfig) - Static method in class org.apache.hc.client5.http.observation.binder.ConnPoolMetersAsync

Binds pool gauges for the async connection manager currently attached to the builder.

bindTo(HttpAsyncClientBuilder, MeterRegistry) - Static method in class org.apache.hc.client5.http.observation.binder.ConnPoolMetersAsync

Binds pool gauges using MetricConfig.DEFAULT.

build() - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

build() - Method in class org.apache.hc.client5.http.observation.ObservingOptions.Builder

builder() - Static method in class org.apache.hc.client5.http.observation.MetricConfig

Builder() - Constructor for class org.apache.hc.client5.http.observation.MetricConfig.Builder

builder() - Static method in class org.apache.hc.client5.http.observation.ObservingOptions

Builder() - Constructor for class org.apache.hc.client5.http.observation.ObservingOptions.Builder

C

commonTags - Variable in class org.apache.hc.client5.http.observation.MetricConfig

Tags added to every meter.

ConnPoolMeters - Class in org.apache.hc.client5.http.observation.binder

Registers connection pool gauges for a classic HttpClientBuilder.

ConnPoolMetersAsync - Class in org.apache.hc.client5.http.observation.binder

Registers connection-pool gauges for an HttpAsyncClientBuilder.

D

DEFAULT - Static variable in class org.apache.hc.client5.http.observation.MetricConfig

DEFAULT - Static variable in class org.apache.hc.client5.http.observation.ObservingOptions

E

enable(HttpClientBuilder, ObservationRegistry) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and default metrics on a classic client builder using Metrics.globalRegistry and MetricConfig.DEFAULT.

enable(HttpClientBuilder, ObservationRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a classic client builder using Metrics.globalRegistry and a custom ObservingOptions.

enable(HttpClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a classic client builder with an explicit meter registry and default MetricConfig.

enable(HttpClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions, MetricConfig) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a classic client builder using explicit registries and MetricConfig.

enable(CachingHttpClientBuilder, ObservationRegistry) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and default metrics on a caching classic client builder using Metrics.globalRegistry and MetricConfig.DEFAULT.

enable(CachingHttpClientBuilder, ObservationRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a caching classic client builder using Metrics.globalRegistry and a custom ObservingOptions.

enable(CachingHttpClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a caching classic client builder with an explicit meter registry and default MetricConfig.

enable(CachingHttpClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions, MetricConfig) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a caching classic client builder using explicit registries and MetricConfig.

enable(HttpAsyncClientBuilder, ObservationRegistry) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and default metrics on an async client builder using Metrics.globalRegistry and MetricConfig.DEFAULT.

enable(HttpAsyncClientBuilder, ObservationRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on an async client builder using Metrics.globalRegistry and a custom ObservingOptions.

enable(HttpAsyncClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on an async client builder with an explicit meter registry and default MetricConfig.

enable(HttpAsyncClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions, MetricConfig) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on an async client builder using explicit registries and MetricConfig.

enable(CachingHttpAsyncClientBuilder, ObservationRegistry) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and default metrics on a caching async client builder using Metrics.globalRegistry and MetricConfig.DEFAULT.

enable(CachingHttpAsyncClientBuilder, ObservationRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a caching async client builder using Metrics.globalRegistry and a custom ObservingOptions.

enable(CachingHttpAsyncClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a caching async client builder with an explicit meter registry and default MetricConfig.

enable(CachingHttpAsyncClientBuilder, ObservationRegistry, MeterRegistry, ObservingOptions, MetricConfig) - Static method in class org.apache.hc.client5.http.observation.HttpClientObservationSupport

Enables observations and metrics on a caching async client builder using explicit registries and MetricConfig.

execute(HttpRequest, AsyncEntityProducer, AsyncExecChain.Scope, AsyncExecChain, AsyncExecCallback) - Method in class org.apache.hc.client5.http.observation.impl.ObservationAsyncExecInterceptor

execute(ClassicHttpRequest, ExecChain.Scope, ExecChain) - Method in class org.apache.hc.client5.http.observation.impl.ObservationClassicExecInterceptor

execute(HttpRequest, AsyncEntityProducer, AsyncExecChain.Scope, AsyncExecChain, AsyncExecCallback) - Method in class org.apache.hc.client5.http.observation.interceptors.AsyncIoByteCounterExec

execute(HttpRequest, AsyncEntityProducer, AsyncExecChain.Scope, AsyncExecChain, AsyncExecCallback) - Method in class org.apache.hc.client5.http.observation.interceptors.AsyncTimerExec

execute(ClassicHttpRequest, ExecChain.Scope, ExecChain) - Method in class org.apache.hc.client5.http.observation.interceptors.IoByteCounterExec

execute(ClassicHttpRequest, ExecChain.Scope, ExecChain) - Method in class org.apache.hc.client5.http.observation.interceptors.TimerExec

H

HttpClientObservationSupport - Class in org.apache.hc.client5.http.observation

Utility class that wires Micrometer / OpenTelemetry instrumentation into the HttpClient execution pipeline(s).

I

IoByteCounterExec - Class in org.apache.hc.client5.http.observation.interceptors

Counts request / response payload bytes for classic clients.

IoByteCounterExec(MeterRegistry, ObservingOptions, MetricConfig) - Constructor for class org.apache.hc.client5.http.observation.interceptors.IoByteCounterExec

M

MeteredDnsResolver - Class in org.apache.hc.client5.http.observation.impl

DnsResolver wrapper that records DNS resolution metrics via Micrometer.

MeteredDnsResolver(DnsResolver, MeterRegistry, MetricConfig, ObservingOptions) - Constructor for class org.apache.hc.client5.http.observation.impl.MeteredDnsResolver

MeteredTlsStrategy - Class in org.apache.hc.client5.http.observation.impl

TlsStrategy decorator that records TLS handshake metrics via Micrometer.

MeteredTlsStrategy(TlsStrategy, MeterRegistry, MetricConfig, ObservingOptions) - Constructor for class org.apache.hc.client5.http.observation.impl.MeteredTlsStrategy

Primary constructor.

MeteredTlsStrategy(TlsStrategy, MeterRegistry, String) - Constructor for class org.apache.hc.client5.http.observation.impl.MeteredTlsStrategy

Deprecated.

Use MeteredTlsStrategy(TlsStrategy, MeterRegistry, MetricConfig, ObservingOptions) supplying MetricConfig and ObservingOptions.

MetricConfig - Class in org.apache.hc.client5.http.observation

Tunables for Micrometer metrics: SLOs, percentiles, common tags, optional high-cardinality URI tagging for I/O counters.

MetricConfig.Builder - Class in org.apache.hc.client5.http.observation

metrics(EnumSet<ObservingOptions.MetricSet>) - Method in class org.apache.hc.client5.http.observation.ObservingOptions.Builder

metricSets - Variable in class org.apache.hc.client5.http.observation.ObservingOptions

micrometerFilter(ObservationPredicate) - Method in class org.apache.hc.client5.http.observation.ObservingOptions.Builder

micrometerFilter - Variable in class org.apache.hc.client5.http.observation.ObservingOptions

O

ObservationAsyncExecInterceptor - Class in org.apache.hc.client5.http.observation.impl

Asynchronous execution interceptor that emits Micrometer Observations around HTTP client exchanges.

ObservationAsyncExecInterceptor(ObservationRegistry, ObservingOptions) - Constructor for class org.apache.hc.client5.http.observation.impl.ObservationAsyncExecInterceptor

ObservationClassicExecInterceptor - Class in org.apache.hc.client5.http.observation.impl

Classic (blocking) execution interceptor that emits Micrometer Observations around HTTP client exchanges.

ObservationClassicExecInterceptor(ObservationRegistry, ObservingOptions) - Constructor for class org.apache.hc.client5.http.observation.impl.ObservationClassicExecInterceptor

ObservingOptions - Class in org.apache.hc.client5.http.observation

Immutable container with all user–tunable knobs for metrics/tracing.

ObservingOptions.Builder - Class in org.apache.hc.client5.http.observation

ObservingOptions.MetricSet - Enum in org.apache.hc.client5.http.observation

Which metric groups to enable.

ObservingOptions.TagCustomizer - Interface in org.apache.hc.client5.http.observation

Per-request tag customization hook.

ObservingOptions.TagLevel - Enum in org.apache.hc.client5.http.observation

How many tags each metric/trace should get.

org.apache.hc.client5.http.observation - package org.apache.hc.client5.http.observation

Simple facade APIs for HttpClient based on the concept of a observation interface.

org.apache.hc.client5.http.observation.binder - package org.apache.hc.client5.http.observation.binder

Simple facade APIs for HttpClient based on the concept of an observation binder interface.

org.apache.hc.client5.http.observation.impl - package org.apache.hc.client5.http.observation.impl

Simple facade APIs for HttpClient based on the concept of an observation implementations interface.

org.apache.hc.client5.http.observation.interceptors - package org.apache.hc.client5.http.observation.interceptors

Simple facade APIs for HttpClient based on the concept of an interceptor interface.

P

percentiles(double...) - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

percentiles - Variable in class org.apache.hc.client5.http.observation.MetricConfig

Percentiles to publish (e.g., 0.95, 0.99).

perUriIo(boolean) - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

perUriIo - Variable in class org.apache.hc.client5.http.observation.MetricConfig

If true, IO counters get a "uri" tag (can be high-cardinality).

prefix(String) - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

prefix - Variable in class org.apache.hc.client5.http.observation.MetricConfig

Metric name prefix; defaults to "http.client".

R

resolve(String) - Method in class org.apache.hc.client5.http.observation.impl.MeteredDnsResolver

resolveCanonicalHostname(String) - Method in class org.apache.hc.client5.http.observation.impl.MeteredDnsResolver

S

slo(Duration) - Method in class org.apache.hc.client5.http.observation.MetricConfig.Builder

slo - Variable in class org.apache.hc.client5.http.observation.MetricConfig

Service-level objective for latency histograms.

spanSampling(Predicate<String>) - Method in class org.apache.hc.client5.http.observation.ObservingOptions.Builder

spanSampling - Variable in class org.apache.hc.client5.http.observation.ObservingOptions

T

tagCustomizer(ObservingOptions.TagCustomizer) - Method in class org.apache.hc.client5.http.observation.ObservingOptions.Builder

tagCustomizer - Variable in class org.apache.hc.client5.http.observation.ObservingOptions

tagLevel(ObservingOptions.TagLevel) - Method in class org.apache.hc.client5.http.observation.ObservingOptions.Builder

tagLevel - Variable in class org.apache.hc.client5.http.observation.ObservingOptions

TimerExec - Class in org.apache.hc.client5.http.observation.interceptors

Classic (blocking) interceptor that records a Micrometer Timer per request and a Counter for response codes.

TimerExec(MeterRegistry, ObservingOptions) - Constructor for class org.apache.hc.client5.http.observation.interceptors.TimerExec

Back-compat: two-arg ctor.

TimerExec(MeterRegistry, ObservingOptions, MetricConfig) - Constructor for class org.apache.hc.client5.http.observation.interceptors.TimerExec

Preferred: honors MetricConfig.

U

upgrade(TransportSecurityLayer, NamedEndpoint, Object, Timeout, FutureCallback<TransportSecurityLayer>) - Method in class org.apache.hc.client5.http.observation.impl.MeteredTlsStrategy

upgrade(TransportSecurityLayer, HttpHost, SocketAddress, SocketAddress, Object, Timeout) - Method in class org.apache.hc.client5.http.observation.impl.MeteredTlsStrategy

Deprecated.

Implementations should prefer the async overload; this remains to fulfill the interface.

V

valueOf(String) - Static method in enum org.apache.hc.client5.http.observation.ObservingOptions.MetricSet

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum org.apache.hc.client5.http.observation.ObservingOptions.TagLevel

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.apache.hc.client5.http.observation.ObservingOptions.MetricSet

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum org.apache.hc.client5.http.observation.ObservingOptions.TagLevel

Returns an array containing the constants of this enum type, in the order they are declared.

A B C D E H I M O P R S T U V