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Java > Open Source Codes > org > jboss > dependency > spi > DependencyInfo


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * 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.dependency.spi;
23
24 import java.util.Set JavaDoc;
25
26 import org.jboss.util.JBossInterface;
27
28 /**
29  * Information about dependencies.
30  *
31  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
32  * @version $Revision: 45764 $
33  */

34 public interface DependencyInfo extends JBossInterface
35 {
36    /**
37     * Return what we depend upon
38     *
39     * @param type the class of the dependency or null for all types
40     * @return our dependencies
41     */

42    Set JavaDoc<DependencyItem> getIDependOn(Class JavaDoc type);
43
44    /**
45     * Return what depends upon me
46     *
47     * @param type the class of the dependency or null for all types
48     * @return what depends upon this
49     */

50    Set JavaDoc<DependencyItem> getDependsOnMe(Class JavaDoc type);
51
52    /**
53     * Add a dependency
54     *
55     * @param dependency the dependency to add
56     */

57    void addIDependOn(DependencyItem dependency);
58
59    /**
60     * Remove a dependency
61     *
62     * @param dependency the dependency to remove
63     */

64    void removeIDependOn(DependencyItem dependency);
65
66    /**
67     * Add a dependency reference
68     *
69     * @param dependency the dependency to add
70     */

71    void addDependsOnMe(DependencyItem dependency);
72
73    /**
74     * Remove a dependency reference
75     *
76     * @param dependency the dependency to remove
77     */

78    void removeDependsOnMe(DependencyItem dependency);
79
80    /**
81     * Try to resolve dependencies
82     *
83     * @param controller the controller
84     * @param state the state of dependency to resolve
85     * @return true when all dependencies are resolved
86     */

87    boolean resolveDependencies(Controller controller, ControllerState state);
88    
89    /**
90     * Return the unresolved dependencies
91     *
92     * @return our unresolved dependencies
93     */

94    Set JavaDoc<DependencyItem> getUnresolvedDependencies();
95 }
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