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public abstract class BaseCmd {
static public ConfigurationService _configService;
static public AccountService _accountService;
static public UserVmService _userVmService;
static public ManagementService _mgr;
// more code ...
// code to resolve above static references using runtime resolution
}
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public class ConfigurationDaoImpl extends GenericDaoBase<ConfigurationVO, String> implements ConfigurationDao {
@PostConstruct @PostConstruct void initComponent() { // more code... }
}
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4.4 When to use or avoid creating run-time relationship with component container
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public class FooObject {
FooService _fooService;
public FooObject(FooService service) {
_fooService = service;
}
....
}
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If you ever need to implement a method interceptor, implement interface ComponentMethodInterceptor and declare it in applicationContext.xml.in. As you see in the above example, ActionEventInterceptor implements an aspect to automatically log events at methods in classes that have been marked as @ActionEvent. To install such interceptor, declare it as following in applicationContext.xml.in
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<bean <bean id="actionEventInterceptor" class="com.cloud.event.ActionEventInterceptor" /> <bean id="instantiatePostProcessor" class="com.cloud.utils.component.ComponentInstantiationPostProcessor"> <property name="Interceptors"> <list> <ref bean="transactionContextBuilder" /> <ref bean="actionEventInterceptor" /> </list> </property> </bean> |
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