/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.kernel.deployment.jboss.beans.dependspojo;
import java.io.Serializable;
import java.util.Arrays;
import java.util.List;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.jboss.naming.Util;
/**
* Simple service to examine if dependencies are satisfied
*
* @author <a href="mailto:dimitris@jboss.org">Dimitris Andreadis</a>
* @version $Revision: 81036 $
*/
public class SimpleService implements Serializable
{
/** The serialVersionUID */
private static final long serialVersionUID = 1L;
public static final String BASE_JNDI_NAME = "test/kernel/deployment/depends/pojo";
public static final String CONSTRUCTED = "CONSTRUCTED";
public static final String CREATED = "CREATED";
public static final String STARTED = "STARTED";
public static final String STOPPED = "STOPPED";
public static final String DESTROYED = "DESTROYED";
public static final String FAILED = "FAILED";
// Protected -----------------------------------------------------
protected transient InitialContext ctx;
protected String name;
protected String[] depends;
protected String state = CONSTRUCTED;
// Constructor ---------------------------------------------------
public SimpleService(String name) throws NamingException
{
// cache it
ctx = new InitialContext();
this.name = name;
log("CTOR");
}
// Accessors -----------------------------------------------------
public String getName()
{
return name;
}
public String[] getDepends()
{
return depends;
}
public String getState()
{
return state;
}
public void setDepends(String[] depends) throws NamingException
{
log("setDepends(" + depends + ")");
this.depends = depends;
if (depends == null)
{
Util.unbind(ctx, getJndiName(name));
log("Destroyed binding: " + name);
}
else
{
Util.rebind(ctx, getJndiName(name), this);
log("Created binding: " + name);
}
}
// Lifecycle -----------------------------------------------------
public void create() throws Exception
{
log("create()");
state = CREATED;
checkDependencies(CREATED, STARTED);
}
public void start() throws Exception
{
log("start()");
state = STARTED;
checkDependencies(STARTED);
}
public void stop() throws Exception
{
log("stop()");
state = STOPPED;
checkDependencies(STARTED);
}
public void destroy() throws Exception
{
log("destroy()");
state = DESTROYED;
checkDependencies(STOPPED, STARTED);
}
// protected -----------------------------------------------------
protected void log(Object message)
{
System.out.println(getName() + " - " + message);
}
protected String getJndiName(String name)
{
return BASE_JNDI_NAME + '/' + name;
}
protected void checkDependencies(String... desiredStates)
{
List<String> desired = Arrays.asList(desiredStates);
if (depends != null)
{
for (int i = 0; i < depends.length; i++)
{
try
{
SimpleService other = (SimpleService)ctx.lookup(getJndiName(depends[i]));
log(depends[i] + " is " + other.getState());
if (desired.contains(other.getState()) == false)
throw new IllegalStateException(depends[i] + " at " + other.getState() + " not in " + desired);
}
catch (NamingException e)
{
throw new RuntimeException(depends[i] + " not bound\n");
}
}
}
}
// Overrides -----------------------------------------------------
public String toString()
{
StringBuffer sbuf = new StringBuffer();
sbuf
.append(getClass().getName())
.append("[ name=").append(name)
.append(", state=").append(state);
if (depends != null)
{
sbuf.append(", depends=[");
for (int i = 0; i < depends.length; i++)
sbuf.append(' ').append(depends[i]);
sbuf.append(" ]");
}
sbuf.append(" ]");
return sbuf.toString();
}
}