Author: buildbot
Date: Sun Jul 16 22:19:41 2017
New Revision: 1015561
Log:
Production update by buildbot for camel
Modified:
websites/production/camel/content/cache/main.pageCache
websites/production/camel/content/metrics-component.html
Modified: websites/production/camel/content/cache/main.pageCache
==============================================================================
Binary files - no diff available.
Modified: websites/production/camel/content/metrics-component.html
==============================================================================
--- websites/production/camel/content/metrics-component.html (original)
+++ websites/production/camel/content/metrics-component.html Sun Jul 16
22:19:41 2017
@@ -86,16 +86,16 @@
<tbody>
<tr>
<td valign="top" width="100%">
-<div class="wiki-content maincontent"><h2
id="MetricsComponent-MetricsComponent">Metrics
Component</h2><p><strong>Available as of Camel
2.14</strong></p><p>The <strong>metrics:</strong> component allows to
collect various metrics directly from Camel routes. Supported metric types
are <a shape="rect" href="#MetricsComponent-counter">counter</a>, <a
shape="rect" href="#MetricsComponent-histogram">histogram</a>, <a shape="rect"
href="#MetricsComponent-meter">meter</a> and <a shape="rect"
href="#MetricsComponent-timer">timer</a>. <a shape="rect"
class="external-link" href="http://metrics.codahale.com/";
rel="nofollow">Metrics</a> provides simple way to measure behaviour of
application. Configurable reporting backend is enabling different
integration options for collecting and visualizing statistics. The component
also provides a <code>MetricsRoutePolicyFactory</code> which allows to
expose route statistics using codehale metrics, see
bottom of page for details.</p><p>Maven users will need to add the following
dependency to their <code>pom.xml</code> for this component:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+<div class="wiki-content maincontent"><h2
id="MetricsComponent-MetricsComponent">Metrics
Component</h2><p><strong>Available as of Camel
2.14</strong></p><p>The <strong><code>metrics:</code></strong> component
allows to collect various metrics directly from Camel routes. Supported metric
types are <a shape="rect"
href="#MetricsComponent-counter">counter</a>, <a shape="rect"
href="#MetricsComponent-histogram">histogram</a>, <a shape="rect"
href="#MetricsComponent-meter">meter</a> and <a shape="rect"
href="#MetricsComponent-timer">timer</a>. <a shape="rect"
class="external-link" href="http://metrics.codahale.com/";
rel="nofollow">Metrics</a> provides simple way to measure behavior of
application. Configurable reporting backend is enabling different
integration options for collecting and visualizing
statistics.</p><p>The <span><strong><code>metrics</code></strong></span>
component also provides a <strong><code>MetricsRoutePolicyFacto
ry</code></strong> that allows route statistics to be exposed using Codahale
metrics. See bottom of page for details.</p><p>Maven users will need to add the
following dependency to their <strong><code>pom.xml</code></strong> for this
component:</p><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: xml; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-metrics</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>]]></script>
-</div></div><h3 id="MetricsComponent-URIformat">URI format</h3><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><h3 id="MetricsComponent-URIFormat">URI Format</h3><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[metrics:[ meter | counter | histogram | timer
]:metricname[?options]]]></script>
-</div></div><h3 id="MetricsComponent-registryMetricRegistry"><span
class="confluence-anchor-link" id="MetricsComponent-registry"></span><span
style="line-height: 1.5625;">Metric Registry</span></h3><p>Camel Metrics
Component uses by default <code>MetricRegistry</code> with
<code>Slf4jReporter</code> and 60 second reporting interval. Default registry
can be replaced with custom one by providing bean with name
<code>metricRegistry</code> in Camel registry. <span style="line-height:
1.4285715;">For example using Spring Java Configuration.</span></p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><h3 id="MetricsComponent-registryMetricRegistry"><span
class="confluence-anchor-link" id="MetricsComponent-registry"></span><span
style="line-height: 1.5625;">Metric Registry</span></h3><p>Camel Metrics
Component uses by default <strong><code>MetricRegistry</code></strong> with
<strong><code>Slf4jReporter</code></strong> and 60 second reporting interval.
Default registry can be replaced with custom one by providing bean with name
<strong><code>metricRegistry</code></strong> in Camel
registry. </p><p><span style="line-height: 1.4285715;">For example using
Spring Java Configuration:</span></p><div class="code panel pdl"
style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[@Configuration
public static class MyConfig extends SingleRouteCamelConfiguration {
@@ -116,14 +116,14 @@ public static class MyConfig extends Sin
return registry;
}
}]]></script>
-</div></div><div class="confluence-information-macro
confluence-information-macro-warning"><span class="aui-icon aui-icon-small
aui-iconfont-error confluence-information-macro-icon"></span><div
class="confluence-information-macro-body"><p><code>MetricRegistry</code> uses
internal thread(s) for reporting. There is no public API in DropWizard version
3.0.1 for users to clean up on exit. Thus using Camel Metrics Component leads
to Java classloader leak and my cause <code>OutOfMemoryErrors</code> in some
cases.</p></div></div><h3 id="MetricsComponent-Usage">Usage</h3><p>Each metric
has type and name. Supported types are <a shape="rect"
href="#MetricsComponent-counter">counter</a>, <a shape="rect"
href="#MetricsComponent-histogram">histogram</a>, <a shape="rect"
href="#MetricsComponent-meter">meter</a> and <a shape="rect"
href="#MetricsComponent-timer">timer</a>. Metric name is simple string. If
metric type is not provided then type meter is used by default.</p><h4
id="MetricsC
omponent-Headers">Headers</h4><p>Metric name defined in URI can be overridden
by using header with name <code>CamelMetricsName</code>.</p><p>For
example</p><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
+</div></div><div class="confluence-information-macro
confluence-information-macro-warning"><span class="aui-icon aui-icon-small
aui-iconfont-error confluence-information-macro-icon"></span><div
class="confluence-information-macro-body"><p><strong><code>MetricRegistry</code></strong>
uses internal thread(s) for reporting. There is no public API in DropWizard
version 3.0.1 for users to clean up on exit. Thus using Camel Metrics Component
leads to Java classloader leak and my cause
<strong><code>OutOfMemoryErrors</code></strong> in some
cases.</p></div></div><h3 id="MetricsComponent-Usage">Usage</h3><p>Each metric
has type and name. Supported types are <a shape="rect"
href="#MetricsComponent-counter">counter</a>, <a shape="rect"
href="#MetricsComponent-histogram">histogram</a>, <a shape="rect"
href="#MetricsComponent-meter">meter</a> and <a shape="rect"
href="#MetricsComponent-timer">timer</a>. Metric name is simple string. If
metric type is not provided then type meter is us
ed by default.</p><h4 id="MetricsComponent-Headers">Headers</h4><p>Metric name
defined in URI can be overridden by using header with name
<strong><code>CamelMetricsName</code>.</strong></p><p>For example</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[from("direct:in")
.setHeader(MetricsConstants.HEADER_METRIC_NAME,
constant("new.name"))
.to("metrics:counter:name.not.used")
.to("direct:out");]]></script>
-</div></div><p>will update counter with name <code>new.name</code> instead of
<code>name.not.used</code>.</p><p>All Metrics specific headers are removed from
the message once Metrics endpoint finishes processing of exchange. While
processing exchange Metrics endpoint will catch all exceptions and write log
entry using level <code>warn</code>.</p><h3
id="MetricsComponent-counterMetricstypecounter"><span
class="confluence-anchor-link" id="MetricsComponent-counter"></span>Metrics
type counter</h3><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
+</div></div><p>will update counter with name
<strong><code>new.name</code></strong> instead of
<strong><code>name.not.used</code></strong>.</p><p>All <span><strong><code>metrics</code></strong></span>
specific headers are removed from the message once Metrics endpoint finishes
processing of exchange. While processing the
exchange <span><strong><code>metrics</code></strong></span> endpoint any
exceptions thrown are caught and written to as a log entry at level
<strong><code>warn</code></strong>.</p><h3
id="MetricsComponent-counterMetricsTypeCounter"><span
class="confluence-anchor-link" id="MetricsComponent-counter"></span>Metrics
Type Counter</h3><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: text; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[metrics:counter:metricname[?options]]]></script>
-</div></div><h4 id="MetricsComponent-Options"><span style="line-height:
1.5;">Options</span></h4><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">increment </td><td colspan="1" rowspan="1"
class="confluenceTd">-</td><td colspan="1" rowspan="1"
class="confluenceTd">Long value to add to the counter</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd">decrement</td><td colspan="1"
rowspan="1" class="confluenceTd">-</td><td colspan="1" rowspan="1"
class="confluenceTd">Long value to subtract from the
counter</td></tr></tbody></table></div><p>If neither <code>increment</code> or
<code>decrement</code> is defined then counter value will be incremented by
one. If <code>increment</code> and <code>decrement</code> are both d
efined only increment operation is called.<span style="line-height:
1.4285715;"> </span></p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
+</div></div><h4 id="MetricsComponent-Options"><span style="line-height:
1.5;">Options</span></h4><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>increment</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>-</code></td><td colspan="1" rowspan="1"
class="confluenceTd">Long value to add to the counter</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><code>decrement</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>-</code></td><td colspan="1"
rowspan="1" class="confluenceTd">Long value to subtract from the
counter</td></tr></tbody></table></div><p>If neither
<strong><code>increment</code></strong> or
<strong><code>decrement</code></strong> is defined then counter value will be
inc
remented by one. If <strong><code>increment</code></strong> and
<strong><code>decrement</code></strong> are both defined
only <strong><code>increment</code></strong> operation is called.<span
style="line-height: 1.4285715;"> </span></p><div class="code panel pdl"
style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// update counter simple.counter by 7
from("direct:in")
.to("metric:counter:simple.counter?increment=7")
@@ -138,7 +138,7 @@ from("direct:in")
from("direct:in")
.to("metric:counter:simple.counter?decrement=3")
.to("direct:out");]]></script>
-</div></div><h4 id="MetricsComponent-Headers.1">Headers</h4><p><span
style="line-height: 1.4285715;">Message headers can be used to override
<code>increment</code> and <code>decrement</code> values specified in Metrics
component URI.</span></p><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">CamelMetricsCounterIncrement </td><td colspan="1"
rowspan="1" class="confluenceTd">Override increment value in URI</td><td
colspan="1" rowspan="1" class="confluenceTd">Long</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd">CamelMetricsCounterDecrement </td><td
colspan="1" rowspan="1" class="confluenceTd">Override decrement value in
URI</td><td colspan="1" rowspan="1"
class="confluenceTd">Long</td></tr></tbody></ta
ble></div><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
+</div></div><h4 id="MetricsComponent-Headers.1">Headers</h4><p><span
style="line-height: 1.4285715;">Message headers can be used to override
<strong><code>increment</code></strong> and
<strong><code>decrement</code></strong> values specified in
the <strong><code>metrics</code></strong> component URI.</span></p><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>CamelMetricsCounterIncrement</code></td><td
colspan="1" rowspan="1" class="confluenceTd">Override increment value in
URI</td><td colspan="1" rowspan="1"
class="confluenceTd"><code>Long</code></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>CamelMetricsCounterDecrement</code></td><td
colspan="1" rowspan="1" class="confluenceTd">Override de
crement value in URI</td><td colspan="1" rowspan="1"
class="confluenceTd"><code>Long</code></td></tr></tbody></table></div><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// update counter simple.counter by 417
from("direct:in")
.setHeader(MetricsConstants.HEADER_COUNTER_INCREMENT, constant(417L))
@@ -152,7 +152,7 @@ from("direct:in")
.to("mock:out");]]></script>
</div></div><h3 id="MetricsComponent-histogramMetrictypehistogram"><span
class="confluence-anchor-link" id="MetricsComponent-histogram"></span>Metric
type histogram</h3><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: text; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[metrics:histogram:metricname[?options]]]></script>
-</div></div><h4 id="MetricsComponent-Options.1">Options</h4><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">value</td><td colspan="1" rowspan="1"
class="confluenceTd">-</td><td colspan="1" rowspan="1"
class="confluenceTd">Value to use in
histogram</td></tr></tbody></table></div><p>If no <code>value</code> is not set
nothing is added to histogram and warning is logged.</p><div class="code panel
pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><h4 id="MetricsComponent-Options.1">Options</h4><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>value</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>-</code></td><td colspan="1" rowspan="1"
class="confluenceTd">Value to use in
histogram</td></tr></tbody></table></div><p>If no
<strong><code>value</code></strong> is not set nothing is added to histogram
and warning is logged.</p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// adds value 9923 to simple.histogram
from("direct:in")
.to("metric:histogram:simple.histogram?value=9923")
@@ -162,15 +162,15 @@ from("direct:in")
from("direct:in")
.to("metric:histogram:simple.histogram")
.to("direct:out");]]></script>
-</div></div><h4 id="MetricsComponent-Headers.2">Headers</h4><p>Message header
can be used to override value specified in Metrics component URI.</p><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">CamelMetricsHistogramValue</td><td colspan="1" rowspan="1"
class="confluenceTd">Override histogram value in URI</td><td colspan="1"
rowspan="1" class="confluenceTd">Long</td></tr></tbody></table></div><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
-<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// adds value 992 to simple.histogram
+</div></div><h4 id="MetricsComponent-Headers.2">Headers</h4><p>Message header
can be used to override value specified in
<span><strong><code>metrics</code></strong></span> component URI.</p><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>CamelMetricsHistogramValue</code></td><td
colspan="1" rowspan="1" class="confluenceTd">Override histogram value in
URI</td><td colspan="1" rowspan="1"
class="confluenceTd"><code>Long</code></td></tr></tbody></table></div><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// Adds value 992 to simple.histogram
from("direct:in")
.setHeader(MetricsConstants.HEADER_HISTOGRAM_VALUE, constant(992L))
.to("metric:histogram:simple.histogram?value=700")
.to("direct:out")]]></script>
</div></div><h3 id="MetricsComponent-meterMetrictypemeter"><span
class="confluence-anchor-link" id="MetricsComponent-meter"></span>Metric type
meter</h3><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: text; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[metrics:meter:metricname[?options]]]></script>
-</div></div><h4 id="MetricsComponent-Options.2"><span style="line-height:
1.4285715;">Options</span></h4><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">mark </td><td colspan="1" rowspan="1"
class="confluenceTd">-</td><td colspan="1" rowspan="1"
class="confluenceTd">Long value to use as
mark</td></tr></tbody></table></div><p><span style="line-height: 1.4285715;">If
<code>mark</code> is not set then <code>meter.mark()</code> is called
without argument.</span></p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
+</div></div><h4 id="MetricsComponent-Options.2"><span style="line-height:
1.4285715;">Options</span></h4><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>mark</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>-</code></td><td colspan="1" rowspan="1"
class="confluenceTd">Long value to use as
mark</td></tr></tbody></table></div><p><span style="line-height: 1.4285715;">If
<strong><code>mark</code></strong> is not set
then <strong><code>meter.mark()</code></strong> is called without
argument.</span></p><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// marks simple.meter without value
from("direct:in")
.to("metric:simple.meter")
@@ -180,7 +180,7 @@ from("direct:in")
from("direct:in")
.to("metric:meter:simple.meter?mark=81")
.to("direct:out");]]></script>
-</div></div><h4 id="MetricsComponent-Headers.3">Headers</h4><p>Message header
can be used to override <code>mark</code> value specified in Metrics component
URI.</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th
colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1"
rowspan="1" class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">CamelMetricsMeterMark</td><td colspan="1" rowspan="1"
class="confluenceTd">Override mark value in URI</td><td colspan="1" rowspan="1"
class="confluenceTd">Long</td></tr></tbody></table></div><div class="code panel
pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><h4 id="MetricsComponent-Headers.3">Headers</h4><p>Message header
can be used to override <strong><code>mark</code></strong> value specified
in <span><strong><code>metrics</code></strong></span> component
URI.</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th
colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1"
rowspan="1" class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>CamelMetricsMeterMark</code></td><td colspan="1"
rowspan="1" class="confluenceTd">Override mark value in URI</td><td colspan="1"
rowspan="1"
class="confluenceTd"><code>Long</code></td></tr></tbody></table></div><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// updates meter simple.meter with value 345
from("direct:in")
.setHeader(MetricsConstants.HEADER_METER_MARK, constant(345L))
@@ -188,38 +188,39 @@ from("direct:in")
.to("direct:out");]]></script>
</div></div><h3 id="MetricsComponent-timerMetricstypetimer"><span
class="confluence-anchor-link" id="MetricsComponent-timer"></span>Metrics type
timer</h3><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: text; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[metrics:timer:metricname[?options]]]></script>
-</div></div><h4 id="MetricsComponent-Options.3"><span style="line-height:
1.4285715;">Options</span></h4><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">action</td><td colspan="1" rowspan="1"
class="confluenceTd">-</td><td colspan="1" rowspan="1"
class="confluenceTd">start or stop</td></tr></tbody></table></div><p><span
style="line-height: 1.4285715;">If no <code>action</code> or invalid value is
provided then warning is logged without any timer update. If action
<code>start</code> is called on already running timer or <code>stop</code> is
called on not running timer then nothing is updated and warning is
logged.</span></p><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
+</div></div><h4 id="MetricsComponent-Options.3"><span style="line-height:
1.4285715;">Options</span></h4><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>action</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>-</code></td><td colspan="1" rowspan="1"
class="confluenceTd">start or stop</td></tr></tbody></table></div><p><span
style="line-height: 1.4285715;">If no <strong><code>action</code></strong> or
invalid value is provided then warning is logged without any timer update. If
action <strong><code>start</code></strong> is called on already running timer
or <strong><code>stop</code></strong> is called on not running timer then
nothing is updated and warning is logged.</span></p><div class="code panel pdl"
s
tyle="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// measure time taken by route
"calculate"
from("direct:in")
.to("metrics:timer:simple.timer?action=start")
.to("direct:calculate")
.to("metrics:timer:simple.timer?action=stop");]]></script>
-</div></div><p><code>TimerContext</code> objects are stored as Exchange
properties between different Metrics component calls.</p><h4
id="MetricsComponent-Headers.4">Headers</h4><p>Message header can be used to
override action value specified in Metrics component URI.</p><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">CamelMetricsTimerAction</td><td colspan="1" rowspan="1"
class="confluenceTd">Override timer action in URI</td><td colspan="1"
rowspan="1"
class="confluenceTd"><code>org.apache.camel.component.metrics.timer.TimerEndpoint.TimerAction</code></td></tr></tbody></table></div><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><p><strong><code>TimerContext</code></strong> objects are stored
as <strong><code>Exchange</code></strong> properties between
different <span><strong><code>metrics</code></strong></span> component
calls.</p><h4 id="MetricsComponent-Headers.4">Headers</h4><p>Message header can
be used to override action value specified
in <span><strong><code>metrics</code></strong></span> component
URI.</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th
colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1"
rowspan="1" class="confluenceTh">Description</th><th colspan="1" rowspan="1"
class="confluenceTh">Expected type</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>CamelMetricsTimerAction</code></td><td colspan="1"
rowspan="1" class="confluenceTd">Override timer action in URI</td><td
colspan="1" rowspan="1"
class="confluenceTd"><strong><code>org.apache.camel.component.metrics.timer.TimerEndpoint.TimerAction</code></str
ong></td></tr></tbody></table></div><div class="code panel pdl"
style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[// sets timer action using header
from("direct:in")
.setHeader(MetricsConstants.HEADER_TIMER_ACTION, TimerAction.start)
.to("metric:timer:simple.timer")
.to("direct:out");]]></script>
-</div></div><h3
id="MetricsComponent-MetricsRoutePolicyFactory">MetricsRoutePolicyFactory</h3><p>This
factory allows to add a <a shape="rect"
href="routepolicy.html">RoutePolicy</a> for each route which exposes route
utilization statistics using codehale metrics. This factory can be used in Java
and XML as the examples below demonstrates. </p><div
class="confluence-information-macro confluence-information-macro-tip"><span
class="aui-icon aui-icon-small aui-iconfont-approve
confluence-information-macro-icon"></span><div
class="confluence-information-macro-body"><p>Instead of using the
MetricsRoutePolicyFactory you can define a MetricsRoutePolicy per route you
want to instrument, in case you only want to instrument a few selected
routes.</p></div></div><p>From Java you just add the factory to
the <code>CamelContext</code> as shown below:</p><div class="code panel
pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><h3
id="MetricsComponent-MetricsRoutePolicyFactory"><code>MetricsRoutePolicyFactory</code></h3><p>This
factory allows to add a <a shape="rect"
href="routepolicy.html">RoutePolicy</a> for each route which exposes route
utilization statistics using CodaHale metrics. This factory can be used in Java
and XML as the examples below demonstrates. </p><div
class="confluence-information-macro confluence-information-macro-tip"><span
class="aui-icon aui-icon-small aui-iconfont-approve
confluence-information-macro-icon"></span><div
class="confluence-information-macro-body"><p>Instead of using
the <strong><code>MetricsRoutePolicyFactory</code></strong> you can define
a <strong><code>MetricsRoutePolicy</code></strong> per route you want to
instrument, in case you only want to instrument a few selected
routes.</p></div></div><p>From Java you just add the factory to
the <strong><code>CamelContext</code></strong> as shown below:</p><div
class="code panel pdl" sty
le="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[context.addRoutePolicyFactory(new
MetricsRoutePolicyFactory());]]></script>
-</div></div><p>And from XML DSL you define a <bean> as follows:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><p>And from XML DSL you define
a <strong><code><bean></code></strong> as follows:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[ <!-- use camel-metrics route policy to
gather metrics for all routes -->
<bean id="metricsRoutePolicyFactory"
class="org.apache.camel.component.metrics.routepolicy.MetricsRoutePolicyFactory"/>]]></script>
-</div></div><p>The <code>MetricsRoutePolicyFactory</code>
and <code>MetricsRoutePolicy</code> supports the following
options:</p><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">useJmx</td><td colspan="1" rowspan="1"
class="confluenceTd">false</td><td colspan="1" rowspan="1"
class="confluenceTd">Whether to report fine grained statistics to JMX by using
the <code>com.codahale.metrics.JmxReporter</code>.<br clear="none">Notice that
if JMX is enabled on <a shape="rect" href="camelcontext.html">CamelContext</a>
then a <code>MetricsRegistryService</code> mbean is enlisted under the services
type in the JMX tree. That mbean has a single operation to output the
statistics using json. Setting <code>useJmx</code> to true is onl
y needed if you want fine grained mbeans per statistics type.</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd">jmxDomain</td><td colspan="1"
rowspan="1" class="confluenceTd">org.apache.camel.metrics</td><td colspan="1"
rowspan="1" class="confluenceTd">The JMX domain name</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd">prettyPrint</td><td colspan="1"
rowspan="1" class="confluenceTd">false</td><td colspan="1" rowspan="1"
class="confluenceTd">Whether to use pretty print when outputting statistics in
json format</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">metricsRegistry</td><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd">Allow to use a shared
<code>com.codahale.metrics.MetricRegistry</code>. If none is provided then
Camel will create a shared instance used by the this
CamelContext.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">rateUnit</td><td colspan="1" rowspan="1
" class="confluenceTd">TimeUnit.SECONDS</td><td colspan="1" rowspan="1"
class="confluenceTd">The unit to use for rate in the metrics reporter or when
dumping the statistics as json.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">durationUnit</td><td colspan="1" rowspan="1"
class="confluenceTd">TimeUnit.MILLISECONDS</td><td colspan="1" rowspan="1"
class="confluenceTd">The unit to use for duration in the metrics reporter or
when dumping the statistics as json.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">namePattern</td><td colspan="1" rowspan="1"
class="confluenceTd">##name##.##routeId##.##type##</td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Camel 2.17:</strong> The name pattern
to use. Uses dot as separators, but you can change that. The values ##name##,
##routeId##, and ##type## will be replaced with actual value. Where ###name###
is the name of the CamelContext. ###routeId### is the name of the route. And
###type### is the value of re
sponses.</td></tr></tbody></table></div><p> </p><p>From Java code tou can
get hold of
the <code>com.codahale.metrics.MetricRegistry</code><span> from the
<code>org.apache.camel.component.metrics.routepolicy.MetricsRegistryService</code>
as shown below:</span></p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
+</div></div><p>The <strong><code>MetricsRoutePolicyFactory</code></strong>
and <strong><code>MetricsRoutePolicy</code></strong> supports the
following options:</p><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>useJmx</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>false</code></td><td colspan="1" rowspan="1"
class="confluenceTd">Whether to report fine grained statistics to JMX by using
the <strong><code>com.codahale.metrics.JmxReporter</code></strong>.<br
clear="none">Notice that if JMX is enabled on <a shape="rect"
href="camelcontext.html">CamelContext</a> then a
<strong><code>MetricsRegistryService</code></strong> mbean is enlisted under
the services type in the JMX tree. That MBean has a si
ngle operation to output the statistics using JSON. Setting
<strong><code>useJmx</code></strong> to true is only needed if you want fine
grained MBeans per statistics type.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>jmxDomain</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>org.apache.camel.metrics</code></td><td colspan="1"
rowspan="1" class="confluenceTd">The JMX domain name.</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><code>prettyPrint</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>false</code></td><td
colspan="1" rowspan="1" class="confluenceTd">Whether to use pretty print when
outputting statistics in JSON format.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>metricsRegistry</code></td><td colspan="1"
rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd">Allow to use a shared
<strong><code>com.codahale.metrics.MetricRegistry</code></strong>
. If one is not configured Camel will create a shared instance for use by the
<strong><code>CamelContext</code></strong>.</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>rateUnit</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>TimeUnit.SECONDS</code></td><td
colspan="1" rowspan="1" class="confluenceTd">The unit to use for rate in the
metrics reporter or when dumping the statistics as JSON.</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><code>durationUnit</code></td><td
colspan="1" rowspan="1"
class="confluenceTd"><code>TimeUnit.MILLISECONDS</code></td><td colspan="1"
rowspan="1" class="confluenceTd">The unit to use for duration in the metrics
reporter or when dumping the statistics as JSON.</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>namePattern</code></td><td colspan="1"
rowspan="1"
class="confluenceTd"><code>##name##.##routeId##.##type##</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><stro
ng>Camel 2.17</strong>: The name pattern to use. Uses dot as separators, but
you can change that. The values <strong><code>##name##</code></strong>,
<strong><code>##routeId##</code></strong>,
and <strong><code>##type##</code></strong> will be replaced with actual
value. Where <strong><code>###name###</code></strong> is the name of
the <strong><code>CamelContext. ###routeId###</code></strong> is the id of
the route, where <strong><code>###type###</code></strong> is the value of
responses.</p></td></tr></tbody></table></div><p> </p><p>In Java you can
get
the <strong><code>com.codahale.metrics.MetricRegistry</code></strong><span> from
the
<strong><code>org.apache.camel.component.metrics.routepolicy.MetricsRegistryService</code></strong>
as shown below:</span></p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[MetricRegistryService registryService =
context.hasService(MetricsRegistryService.class);
+
if (registryService != null) {
MetricsRegistry registry = registryService.getMetricsRegistry();
- ...
+ // ...
}]]></script>
-</div></div><h3
id="MetricsComponent-MetricsMessageHistoryFactory">MetricsMessageHistoryFactory</h3><p><strong>Available
as of Camel 2.17</strong></p><p>This factory allows to use metrics to
capture <a shape="rect" href="message-history.html">Message History</a>
performance statistics while routing messages. It works by using a metrics
Timer for each node in all the routes. This factory can be used in Java
and XML as the examples below demonstrates. </p><p>From Java you just set
the factory to the <code>CamelContext</code> as shown below:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><h3
id="MetricsComponent-MetricsMessageHistoryFactory"><code>MetricsMessageHistoryFactory</code></h3><p><strong>Available
as of Camel 2.17</strong></p><p>This factory allows to use metrics to
capture <a shape="rect" href="message-history.html">Message History</a>
performance statistics while routing messages. It works by using a metrics
Timer for each node in all the routes. This factory can be used in Java
and XML as the examples below demonstrates. </p><p>In Java set the factory
on the <strong><code>CamelContext</code></strong> as shown
below:</p><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[context.setMessageHistoryFactory(new
MetricsMessageHistoryFactory());]]></script>
-</div></div><p>And from XML DSL you define a <bean> as follows:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><p>And from XML DSL you define
a <strong><code><bean></code></strong> as follows:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[ <!-- use camel-metrics message history
to gather metrics for all messages being routed -->
<bean id="metricsMessageHistoryFactory"
class="org.apache.camel.component.metrics.messagehistory.MetricsMessageHistoryFactory"/>]]></script>
-</div></div><p>The following options is supported on the factory:</p><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">useJmx</td><td colspan="1" rowspan="1"
class="confluenceTd">false</td><td colspan="1" rowspan="1"
class="confluenceTd">Whether to report fine grained statistics to JMX by using
the <code>com.codahale.metrics.JmxReporter</code>.<br clear="none">Notice that
if JMX is enabled on <a shape="rect" href="camelcontext.html">CamelContext</a>
then a <code>MetricsRegistryService</code> mbean is enlisted under the services
type in the JMX tree. That mbean has a single operation to output the
statistics using json. Setting <code>useJmx</code> to true is only needed if
you want fine grained mbeans per statistics type.</td></tr
><tr><td colspan="1" rowspan="1" class="confluenceTd">jmxDomain</td><td
>colspan="1" rowspan="1" class="confluenceTd">org.apache.camel.metrics</td><td
>colspan="1" rowspan="1" class="confluenceTd">The JMX domain
>name</td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd">prettyPrint</td><td colspan="1" rowspan="1"
>class="confluenceTd">false</td><td colspan="1" rowspan="1"
>class="confluenceTd">Whether to use pretty print when outputting statistics
>in json format</td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd">metricsRegistry</td><td colspan="1" rowspan="1"
>class="confluenceTd"> </td><td colspan="1" rowspan="1"
>class="confluenceTd">Allow to use a shared
><code>com.codahale.metrics.MetricRegistry</code>. If none is provided then
>Camel will create a shared instance used by the this
>CamelContext.</td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd">rateUnit</td><td colspan="1" rowspan="1"
>class="confluenceTd">TimeUnit.SECONDS</td><td colspan="1" rowspan="1
" class="confluenceTd">The unit to use for rate in the metrics reporter or
when dumping the statistics as json.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">durationUnit</td><td colspan="1" rowspan="1"
class="confluenceTd">TimeUnit.MILLISECONDS</td><td colspan="1" rowspan="1"
class="confluenceTd">The unit to use for duration in the metrics reporter or
when dumping the statistics as json.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">namePattern</td><td colspan="1" rowspan="1"
class="confluenceTd">##name##.##routeId##.<span>###id###.</span>##type##</td><td
colspan="1" rowspan="1" class="confluenceTd">The name pattern to use. Uses dot
as separators, but you can change that. The values ##name##, ##routeId##,
##type##, and ###id### will be replaced with actual value. <span>Where
###name### is the name of the CamelContext. ###routeId### is the name of the
route. </span>The ###id### pattern represents the node id. And ###type### is
the value of history.</t
d></tr></tbody></table></div><p>At runtime the metrics can be accessed from
Java API or JMX which allows to gather the data as json output.</p><p>From Java
code you can do get the service from the CamelContext as shown:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><p>The following options is supported on the factory:</p><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1"
rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1"
class="confluenceTh">Default</th><th colspan="1" rowspan="1"
class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>useJmx</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>false</code></td><td colspan="1" rowspan="1"
class="confluenceTd">Whether to report fine grained statistics to JMX by using
the <strong><code>com.codahale.metrics.JmxReporter</code></strong>.<br
clear="none">Notice that if JMX is enabled on <a shape="rect"
href="camelcontext.html">CamelContext</a> then a
<strong><code>MetricsRegistryService</code></strong> MBean is enlisted under
the services type in the JMX tree. That MBean has a single operation to output
the statistics using JSON. Setting <strong><code>useJmx</code></strong> to true
is only needed if you want fine grained MBeans per statistics
type.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>jmxDomain</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>org.apache.camel.metrics</code></td><td colspan="1"
rowspan="1" class="confluenceTd">The JMX domain name.</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><code>prettyPrint</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>false</code></td><td
colspan="1" rowspan="1" class="confluenceTd">Whether to use pretty print when
outputting statistics in JSON format.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>metricsRegistry</code></td><td colspan="1"
rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd">Allow to use a shared
<strong><code>com.codahale.metrics.MetricRegistry</code></strong>. If one is
not provided Camel will create a shared instance for use by the
<strong><code>CamelContext</
code></strong>.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>rateUnit</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>TimeUnit.SECONDS</code></td><td colspan="1"
rowspan="1" class="confluenceTd">The unit to use for rate in the metrics
reporter or when dumping the statistics as JSON.</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>durationUnit</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>TimeUnit.MILLISECONDS</code></td><td
colspan="1" rowspan="1" class="confluenceTd">The unit to use for duration in
the metrics reporter or when dumping the statistics as JSON</td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><code>namePattern</code></td><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>##name##.##routeId##.###id###.##type##</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd">The name pattern to use. Uses dot
as separators, but you can change that. The values <strong><code>
##name##</code></strong>, <strong><code>##routeId##</code></strong>,
<strong><code>##type##</code></strong>,
and <strong><code>###id###</code></strong> will be replaced with actual
value. <span>Where <strong><code>###name###</code></strong> is the name of
the <strong><code>CamelContext.###routeId###</code></strong> is the name
of the route. </span>The <strong><code>###id###</code></strong> pattern
represents the node id, where <strong><code>###type###</code></strong> is the
value of history.</td></tr></tbody></table></div><p>At runtime the metrics can
be accessed from Java API or JMX which allows to gather the data as JSON
output.</p><p>In Java, get the service from the <strong>CamelContext</strong>
as shown:</p><div class="code panel pdl" style="border-width: 1px;"><div
class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default"
type="syntaxhighlighter"><![CDATA[MetricsMessageHistoryService service =
context.hasService(MetricsMessageHistoryService.class);
String json = service.dumpStatisticsAsJson();]]></script>
-</div></div><p>And the JMX API the MBean is registered in
the <code>type=services</code> tree
with <code>name=MetricsMessageHistoryService</code>. </p><p> </p></div>
+</div></div><p>And the JMX API the MBean is registered in
the <strong><code>type=services</code> tree
with <code>name=MetricsMessageHistoryService</code></strong>. </p><p> </p></div>
</td>
<td valign="top">
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