01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.server.cluster;
30:
31: import java.io.IOException;
32: import java.io.InputStream;
33: import java.io.OutputStream;
34:
35: /**
36: * Base class for the distributed objects
37: */
38: public interface ObjectManager {
39: /**
40: * Returns the maximum idle time.
41: */
42: public long getMaxIdleTime();
43:
44: /**
45: * Loads the object from the input stream.
46: */
47: public void load(InputStream in, Object object) throws IOException;
48:
49: /**
50: * Returns true if the object is empty.
51: */
52: public boolean isEmpty(Object object) throws IOException;
53:
54: /**
55: * Stores the object in the output stream.
56: */
57: public void store(OutputStream out, Object object)
58: throws IOException;
59:
60: /**
61: * Notifies that an object is updated.
62: */
63: public void notifyUpdate(String objectId) throws IOException;
64:
65: /**
66: * Notifies an object has been removed.
67: */
68: public void notifyRemove(String objectId) throws IOException;
69: }
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