01: /*
02: (c) Copyright 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
03: All rights reserved - see end of file.
04: $Id: BunchMap.java,v 1.8 2008/01/02 12:09:51 andy_seaborne Exp $
05: */
06: package com.hp.hpl.jena.mem;
07:
08: import java.util.Iterator;
09:
10: import com.hp.hpl.jena.util.iterator.ExtendedIterator;
11:
12: /**
13: A pruned (and slightly stewed) version of Map, containing just those operations
14: required by NodeToTriplesMaps. BunchMaps contain only TripleBunch's.
15:
16: @author kers
17: */
18: public interface BunchMap {
19: /**
20: Clear this map: all entries are removed.
21: */
22: public void clear();
23:
24: /**
25: The number of items in the bunch.
26: */
27: public long size();
28:
29: /**
30: Answer the TripleBunch associated with <code>key</code>, or
31: <code>null</code> if there isn't one.
32: */
33: public TripleBunch get(Object key);
34:
35: /**
36: Associate <code>key</code> and <code>value</code>. Any existing
37: association of <code>key</code> is lost. <code>get</code> on this key
38: will now deliver this value.
39: */
40: public void put(Object key, TripleBunch value);
41:
42: /**
43: Remove any association for <code>key</code>; <code>get</code> on this
44: key will now deliver <code>null</code>.
45: */
46: public void remove(Object key);
47:
48: /**
49: Answer an iterator over all the keys in this map.
50: */
51: public ExtendedIterator keyIterator();
52: }
53:
54: /*
55: * (c) Copyright 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
56: * All rights reserved.
57: *
58: * Redistribution and use in source and binary forms, with or without
59: * modification, are permitted provided that the following conditions
60: * are met:
61: * 1. Redistributions of source code must retain the above copyright
62: * notice, this list of conditions and the following disclaimer.
63: * 2. Redistributions in binary form must reproduce the above copyright
64: * notice, this list of conditions and the following disclaimer in the
65: * documentation and/or other materials provided with the distribution.
66: * 3. The name of the author may not be used to endorse or promote products
67: * derived from this software without specific prior written permission.
68: *
69: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
70: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
71: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
72: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
73: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
74: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
75: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
76: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
77: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
78: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
79: */
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