Annotation Interface ConditionalOnMissingProperty

@Target({METHOD,TYPE})
@Retention(RUNTIME)
@Conditional(ConditionalOnMissingProperty.Condition.class)
public @interface ConditionalOnMissingProperty

Conditional that only matches when the specified property is either unset or the empty string.

This can be used to register default behavior when configuration is absent.

Usage

@ConditionalOnMissingProperty("custom.datasource.url")
@Bean
public DataSource defaultDataSource() {
    return new H2DataSource();
}

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ConditionalOnMissingProperty.Condition

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
String	value	Returns the application property key that must be absent or have an empty string value for this condition to match.

Element Details

value

String value

Returns the application property key that must be absent or have an empty string value for this condition to match.