Christopher Barran wrote:
I have created a set of services that depend on each other.
ServiceA depends on ServiceB which depends on ServiceC
If I write a unit test that builds the HiveMind registry.
I can get out ServiceC and test it, works OK
If I get ServiceB and test it works OK.
If I get ServiceA and test it, fails because
ServiceB has no reference to ServiceC.
I guess this is something to do with proxies ?
When I get ServiceB from the registry a proxy is created for ServiceC
and when I use the service it is instanciated.
However when I get ServiceA from the registry a Singlton proxy is
created for ServiceB but I see no such message about autowiring a
Single ton proxy for ServiceC. When the code tries to access ServiceC
I get a NullPointerException. Any ideas.
<?xml version="1.0" encoding="UTF-8"?>
<module id="myModule" version="1.0.0">
<service-point id="ServiceC" interface="foo.bar.ServiceC">
<create-instance class="foo.bar.ServiceCImpl" />
<interceptor service-id="hivemind.LoggingInterceptor"/>
</service-point>
<service-point id="ServiceB" interface="foo.bar.ServiceB">
<invoke-factory service-id="hivemind.BuilderFactory">
<construct class="foo.bar.ServiceBImpl" autowire-services="true" />
</invoke-factory>
<interceptor service-id="hivemind.LoggingInterceptor"/>
</service-point>
<service-point id="ServiceA" interface="foo.bar.ServiceA" >
<invoke-factory service-id="hivemind.BuilderFactory">
<construct class="foo.bar.ServiceAImpl" autowire-services="true">
<set property="country" value="GB" />
<set property="company" value="COMPANY" />
<set property="url" value="http://www.foo.com"; />
<set property="script" value="/foo/bar.jsp" />
</construct>
</invoke-factory>
<interceptor service-id="hivemind.LoggingInterceptor"/>
</service-point>
</module>
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Maybe it is because you use create-instance for ServiceC?
Also you can skip service-id="hivemind.BuilderFactory" because it is
default ( as autowire-services="true" )
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