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.ejb3;
23:
24: import org.jboss.injection.Injector;
25:
26: /**
27: * Minimally a pool acts as a factory for a bean. It will handle callbacks
28: * to ejbCreate and ejbRemove as well.
29: *
30: * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
31: * @version $Revision: 61280 $
32: */
33: public interface Pool {
34: /**
35: * Creates if no object is available in pool. ejbCreate will be called if created
36: */
37: BeanContext get();
38:
39: BeanContext get(Class[] initTypes, Object[] initValues);
40:
41: /**
42: * Put bean back in pool
43: */
44: void release(BeanContext obj);
45:
46: /**
47: * Destroy bean. ejbRemove callback is executed
48: */
49: void remove(BeanContext obj);
50:
51: /**
52: * Discard the bean. Called in different context as remove. If there is a system exception this is
53: * called.
54: *
55: * @param obj
56: */
57: void discard(BeanContext obj);
58:
59: public void setInjectors(Injector[] injectors);
60:
61: void initialize(Container container, Class contextClass,
62: Class beanClass, int maxSize, long timeout);
63:
64: int getCurrentSize();
65:
66: int getAvailableCount();
67:
68: int getMaxSize();
69:
70: void setMaxSize(int maxSize);
71:
72: int getCreateCount();
73:
74: int getRemoveCount();
75:
76: /**
77: * Destroy the pool.
78: */
79: void destroy();
80: }
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