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Java > Open Source Codes > org > apache > excalibur > instrument > manager > InstrumentableDescriptorLocal


1 /*
2
3  ============================================================================
4                    The Apache Software License, Version 1.1
5  ============================================================================
6  
7  Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
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9  Redistribution and use in source and binary forms, with or without modifica-
10  tion, are permitted provided that the following conditions are met:
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12  1. Redistributions of source code must retain the above copyright notice,
13     this list of conditions and the following disclaimer.
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15  2. Redistributions in binary form must reproduce the above copyright notice,
16     this list of conditions and the following disclaimer in the documentation
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19  3. The end-user documentation included with the redistribution, if any, must
20     include the following acknowledgment: "This product includes software
21     developed by the Apache Software Foundation (http://www.apache.org/)."
22     Alternately, this acknowledgment may appear in the software itself, if
23     and wherever such third-party acknowledgments normally appear.
24  
25  4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
26     must not be used to endorse or promote products derived from this software
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30  5. Products derived from this software may not be called "Apache", nor may
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32     Apache Software Foundation.
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34  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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39  DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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43  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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45  This software consists of voluntary contributions made by many individuals
46  on behalf of the Apache Software Foundation. For more information on the
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49 */
50 package org.apache.excalibur.instrument.manager;
51
52 import org.apache.excalibur.instrument.manager.interfaces.InstrumentableDescriptor;
53 import org.apache.excalibur.instrument.manager.interfaces.NoSuchInstrumentException;
54 import org.apache.excalibur.instrument.manager.interfaces.NoSuchInstrumentableException;
55
56 /**
57  * Describes a Instrumentable and acts as a Proxy to protect the original
58  * Instrumentable. Methods defined by the Local interface should only
59  * be accessed from within the same JVM for performance reasons.
60  *
61  * @author <a HREF="mailto:leif@tanukisoftware.com">Leif Mortenson</a>
62  * @version CVS $Revision: 1.3 $ $Date: 2003/02/25 16:28:16 $
63  * @since 4.1
64  */
65 public interface InstrumentableDescriptorLocal
66     extends InstrumentableDescriptor
67 {
68     /**
69      * Returns a child InstrumentableDescriptorLocal based on its name or the
70      * name of any of its children.
71      *
72      * @param childInstrumentableName Name of the child Instrumentable being
73      * requested.
74      *
75      * @return A descriptor of the requested child Instrumentable.
76      *
77      * @throws NoSuchInstrumentableException If the specified Instrumentable
78      * does not exist.
79      */
80     InstrumentableDescriptorLocal getChildInstrumentableDescriptorLocal(
81         String JavaDoc childInstrumentableName ) throws NoSuchInstrumentableException;
82
83     /**
84      * Returns an array of Descriptors for the child Instrumentables registered
85      * by this Instrumentable.
86      *
87      * @return An array of Descriptors for the child Instrumentables registered
88      * by this Instrumentable.
89      */
90     InstrumentableDescriptorLocal[] getChildInstrumentableDescriptorLocals();
91     
92     /**
93      * Returns a InstrumentDescriptorLocal based on its name.
94      *
95      * @param instrumentName Name of the Instrument being requested.
96      *
97      * @return A Descriptor of the requested Instrument.
98      *
99      * @throws NoSuchInstrumentException If the specified Instrument does
100      * not exist.
101      */
102     InstrumentDescriptorLocal getInstrumentDescriptorLocal( String JavaDoc instrumentName )
103         throws NoSuchInstrumentException;
104
105     /**
106      * Returns an array of Descriptors for the Instruments registered by this
107      * Instrumentable.
108      *
109      * @return An array of Descriptors for the Instruments registered by this
110      * Instrumentable.
111      */
112     InstrumentDescriptorLocal[] getInstrumentDescriptorLocals();
113 }
114
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