THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
How to declare a component type
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<component
classname="my.Implementation"
name="my-type"
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</component>
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@Component(name="my-type")
public class Implementation {
// ...
}
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How to declare instances
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<instance component="my-type"/>
<instance component="my.Implementation"/>
<instance component="my-type" name="my-instance"/>
<instance component="my-type" name="my-instance">
<property name="property1" value="value1"/>
</instance>
</component>
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Attribute name | Required | Default value |
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component | yes |
| specifies the component type (either by using the name or the class name) |
name | no | generated | specifies the instance name. |
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- Instances can contains a configuration given under the
key-valueform.
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- Properties can also by complex type (refer to How-to use iPOJO factories)
How to provide a service
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<component classname="my.service.implementation" name="my-service-impl">
<provides/>
</component>
<instance name="my-service-impl"/>
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@Component
@Provides
public class Implementation implements FooService {
...
}
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- Only instances provides really services, so don't forget to declare an instance.
- Published service interfaces must be implemented by your component implementation
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Publishing service properties
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<component classname="my.service.implementation" name="my-service-impl"> <provides> <property name="foo" field="m_foo" /> <property name="bar" field="m_bar" mandatory="true" /> <property name="baz" type="java.lang.String" /> <!-- Static property (do not change at runtime) --> </provides> </component> <instance name="my-service-impl"> <!-- The configuration has to inject value in unvalued mandatory properties --> <property name="bar" value="5"/> <property name="baz" value="my string"/> <instance/> |
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@Component
@Provides(specifications= {FooService.class, BarService.class})
public class ProvidesProperties implements FooService, BarService {
@ServiceProperty(name = "foo")
public int m_foo = 0;
@ServiceProperty(name="bar", mandatory=true)
public int m_bar;
// ...
}
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