Date: 2004-02-28T16:41:36
Editor: AaronFarr <[EMAIL PROTECTED]>
Wiki: Apache Avalon Wiki
Page: SimpleComponentExample
URL: http://wiki.apache.org/avalon/SimpleComponentExample
adding more code -farra
Change Log:
------------------------------------------------------------------------------
@@ -7,11 +7,19 @@
{{{
package org.apache.avalon.examples.simple;
+/**
+ * a simple service interface
+ * @avalon.version 0.1
+ */
public interface Simple {
- public String getName();
+ /**
+ * @return the name or a message from the service
+ */
+ public String getName();
}
+
}}}
== A Simple Implementation ==
@@ -21,7 +29,12 @@
import org.apache.avalon.examples.simple.Simple;
-public class SimpleHelloImpl implements Simple
+/**
+ * a Simple service implementation that returns 'Hello World!'
+ * @avalon.component name="simple" lifestyle="singleton"
+ * @avalon.service type="org.apache.avalon.examples.simple.Simple"
+ */
+public class SimpleHelloImpl implements Simple
{
public String getName()
@@ -33,6 +46,100 @@
}}}
== Adding Lifecycles ==
+
+{{{
+package org.apache.avalon.examples.simple.impl;
+
+import org.apache.avalon.examples.simple.Simple;
+
+import org.apache.avalon.framework.logger.AbstractLogEnabled;
+
+import org.apache.avalon.framework.context.Contextualizable;
+import org.apache.avalon.framework.context.Context;
+
+import org.apache.avalon.framework.service.Serviceable;
+import org.apache.avalon.framework.service.ServiceManager;
+import org.apache.avalon.framework.service.ServiceException;
+
+import org.apache.avalon.framework.activity.Initializable;
+import org.apache.avalon.framework.activity.Startable;
+import org.apache.avalon.framework.activity.Disposable;
+
+import org.apache.avalon.framework.configuration.Configurable;
+import org.apache.avalon.framework.configuration.Configuration;
+import org.apache.avalon.framework.configuration.ConfigurationException;
+
+import org.apache.avalon.framework.parameters.Parameterizable;
+import org.apache.avalon.framework.parameters.Parameters;
+
+/**
+ * a Simple service implementation that implements the basic lifecycles.
+ * @avalon.component name="lifecycle" lifestyle="singleton"
+ * @avalon.service type="org.apache.avalon.examples.simple.Simple"
+ */
+public class SimpleLifecycleImpl
+ extends AbstractLogEnabled
+ implements Simple, Contextualizable, Serviceable,
+ Configurable, Parameterizable, Initializable,
+ Startable, Disposable
+{
+
+ protected String m_name = "Avalon Lifecycle Example";
+ protected ServiceManager m_serviceManager;
+
+ public String getName()
+ {
+ return m_name;
+ }
+
+
+ public void contextualize(Context context) {
+ if(getLogger().isInfoEnabled())
+ getLogger().info("contextualizing simple component");
+ }
+
+
+ public void service(ServiceManager manager){
+ if(getLogger().isInfoEnabled())
+ getLogger().info("servicing simple component");
+ }
+
+
+ public void configure(Configuration config) throws ConfigurationException
+ {
+ if(getLogger().isInfoEnabled())
+ getLogger().info("configuring simple component");
+ }
+
+ public void parameterize(Parameters parameters) {
+ if(getLogger().isInfoEnabled())
+ getLogger().info("parameterizing simple component");
+ }
+
+
+ public void initialize(){
+ if(getLogger().isInfoEnabled())
+ getLogger().info("initializing simple component");
+ }
+
+ public void start(){
+ if(getLogger().isInfoEnabled())
+ getLogger().info("starting simple component");
+ }
+
+ public void stop(){
+ if(getLogger().isInfoEnabled())
+ getLogger().info("stopping simple component");
+ }
+
+ public void dispose(){
+ if(getLogger().isInfoEnabled())
+ getLogger().info("disposing simple component");
+ }
+
+
+}
+}}}
== Adding A Dependency ==
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