01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.ejb;
23:
24: import org.jboss.metadata.XmlLoadable;
25: import org.jboss.ejb.InstancePool;
26:
27: /**
28: * Interface for bean instances Pool Feeder
29: *
30: * @author <a href="mailto:vincent.harcq@hubmethods.com">Vincent Harcq</a>
31: * @version $Revision: 57209 $
32: */
33: public interface InstancePoolFeeder extends XmlLoadable {
34: /**
35: * Start the pool feeder.
36: */
37: void start();
38:
39: /**
40: * Stop the pool feeder.
41: */
42: void stop();
43:
44: /**
45: * Sets the instance pool inside the pool feeder.
46: *
47: * @param ip the instance pool
48: */
49: void setInstancePool(InstancePool ip);
50:
51: /**
52: * Tells if the pool feeder is already started.
53: * The reason is that we start the PF at first get() on the pool and we
54: * want to give a warning to the user when the pool is empty.
55: *
56: * @return true if started
57: */
58: boolean isStarted();
59: }
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