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2018-10-04 15:58:54 +00:00
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multi/multi__spring_cloud_context_application_context_services.html
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@@ -74,7 +74,9 @@ Then, the next time something borrows a connection from the pool, it gets one wi
annotation on some beans which can be only initialized once. If a bean
is "immutable", you will have to either annotate the bean with <code class="literal">@RefreshScope</code>
or specify the classname under the property key
<code class="literal">spring.cloud.refresh.extra-refreshable</code>.</p><p>Refresh scope beans are lazy proxies that initialize when they are used (that is, when a method is called), and the scope acts as a cache of initialized values.
<code class="literal">spring.cloud.refresh.extra-refreshable</code>.</p><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>If you create a <code class="literal">DataSource</code> bean yourself and the implementation is a <code class="literal">HikariDataSource</code>, return the
most specific type, in this case <code class="literal">HikariDataSource</code>. Otherwise, you will need to set
<code class="literal">spring.cloud.refresh.extra-refreshable=javax.sql.DataSource</code>.</p></td></tr></table></div><p>Refresh scope beans are lazy proxies that initialize when they are used (that is, when a method is called), and the scope acts as a cache of initialized values.
To force a bean to re-initialize on the next method call, you must invalidate its cache entry.</p><p>The <code class="literal">RefreshScope</code> is a bean in the context and has a public <code class="literal">refreshAll()</code> method to refresh all beans in the scope by clearing the target cache.
The <code class="literal">/refresh</code> endpoint exposes this functionality (over HTTP or JMX).
To refresh an individual bean by name, there is also a <code class="literal">refresh(String)</code> method.</p><p>To expose the <code class="literal">/refresh</code> endpoint, you need to add following configuration to your application:</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">management</span>: