Half way there...
Using Hiveutils I managed to write this, but in the Manager ASO
constructor the config is null. The setter for the config is never
called. The Manager is instantiated by a Border component when method
ping() is called. I can use spring provided config in Border component
just fine. What did I miss?
### hivemodule.xml ###
<contribution configuration-id="tapestry.state.ApplicationObjects">
<state-object name="manager" scope="application">
<invoke-factory object="object:Manager" />
</state-object>
</contribution>
<contribution configuration-id="hiveutils.ObjectBuilderObjects">
<object name="Manager" cached="true"
class="com.acme.application.Manager">
<inject name="config" object="spring:configuration" />
</object>
</contribution>
and
### Manager.java ###
public class Manager implements StateObjectFactory {
// Commons Configuration
private Configuration config;
/**
* Manager is an application scope ASO (Application State Object). This
* class is instantiated lazily - when first page injects it.
*/
public Manager() {
logger.info("config: " + config); // <<<<<< THIS IS NULL
String address = config.getString("person.address");
}
public Object createStateObject() {
return this;
}
public String ping() {
return "pong";
}
public Configuration getConfig() {
return config;
}
public void setConfig(Configuration config) { // <<<<<<< never
gets called
logger.info("SETTING CONFIG: " + config);
this.config = config;
}
}
### applicationContext.xml ###
<!-- Apache Commons Configuration Composite configuration -->
<bean id="configurations"
class="org.springmodules.commons.configuration.CommonsConfigurationFactoryBean">
<property name="configurations">
<list>
<bean
class="org.apache.commons.configuration.XMLConfiguration">
<constructor-arg type="java.net.URL"
value="classpath:posting-config.xml" />
<property name="reloadingStrategy">
<bean
class="org.apache.commons.configuration.reloading.FileChangedReloadingStrategy"/>
</property>
</bean>
</list>
</property>
<!-- define configuration as a set of spring resources -->
<property name="locations"
value="classpath*:META-INF/default.properties" />
</bean>
<bean id="configuration" factory-bean="&configurations"
factory-method="getConfiguration"/>
### Border.java ###
public abstract class Border extends BaseComponent {
@InjectState("manager")
abstract public Manager getManager();
@InjectObject("spring:configuration")
public abstract Configuration getConfig();
public void finishLoad()
{
logger.info("person.address: " +
getConfig().getString("person.address")); // correctly print the value
logger.info("manager.ping:" + getManager().ping()); // invokes Manager
}
On 15.3.2007 20:25, Borut Bolčina wrote:
Hello,
can someone provide some code hints to Hivemind and Spring newb - that
would
be me - on how to inject
1. Hivemind service into application scope ASO
2. Spring service into application scope ASO
I want to cache some long term objects in the global ASO, but want (if
it is
at all reasonable?) those objects provided by Hivemind and/or Spring
services. I am at the very beginning of learning of the SOA. I know
how to
inject services from both frameworks into Tapestry pages.
Cheers,
Borut
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