Class BackgroundPreinitializer
java.lang.Object
org.springframework.boot.autoconfigure.BackgroundPreinitializer
- All Implemented Interfaces:
EventListener
,ApplicationListener<SpringApplicationEvent>
,Ordered
public class BackgroundPreinitializer
extends Object
implements ApplicationListener<SpringApplicationEvent>, Ordered
ApplicationListener
to trigger early initialization in a background thread of
time-consuming tasks.
Set the IGNORE_BACKGROUNDPREINITIALIZER_PROPERTY_NAME
system property to
true
to disable this mechanism and let such initialization happen in the
foreground.
- Since:
- 1.3.0
- Author:
- Phillip Webb, Andy Wilkinson, Artsiom Yudovin, Sebastien Deleuze
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Field Summary
Modifier and TypeFieldDescriptionstatic final String
System property that instructs Spring Boot how to run pre initialization.Fields inherited from interface org.springframework.core.Ordered
HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE
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Constructor Summary
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Method Summary
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Field Details
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IGNORE_BACKGROUNDPREINITIALIZER_PROPERTY_NAME
System property that instructs Spring Boot how to run pre initialization. When the property is set totrue
, no pre-initialization happens and each item is initialized in the foreground as it needs to. When the property isfalse
(default), pre initialization runs in a separate thread in the background.- Since:
- 2.1.0
- See Also:
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Constructor Details
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BackgroundPreinitializer
public BackgroundPreinitializer()
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Method Details
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getOrder
public int getOrder() -
onApplicationEvent
- Specified by:
onApplicationEvent
in interfaceApplicationListener<SpringApplicationEvent>
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