01: /*
02: * GeoTools - OpenSource mapping toolkit
03: * http://geotools.org
04: * (C) 2002-2006, GeoTools Project Managment Committee (PMC)
05: * (C) 2002, Refractions Reserach Inc.
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation;
10: * version 2.1 of the License.
11: *
12: * This library 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: package org.geotools.graph.util;
18:
19: public interface Queue {
20:
21: public void enq(Object object);
22:
23: public Object deq();
24:
25: public boolean isEmpty();
26:
27: public void clear();
28: }
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