[picocontainer-scm] [jira] (PICO-400) Need more logging/monitoring on parameter resolution/injectee selection

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                                    <a class="user-hover" rel="rimovm" id="email_rimovm" href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=rimovm" style="color:#005500;">Michael Rimov</a>
     created <img src="https://jira.codehaus.org/images/icons/issuetypes/improvement.png" height="16" width="16" border="0" align="absmiddle" alt="Improvement"> <a style='color:#005500;text-decoration:none;' href='https://jira.codehaus.org/browse/PICO-400'>PICO-400</a>
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                <a style='color:#005500;text-decoration:none;' href='https://jira.codehaus.org/browse/PICO-400'><strong>Need more logging/monitoring on parameter resolution/injectee selection</strong></a>
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        <strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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                <img src="https://jira.codehaus.org/images/icons/issuetypes/improvement.png" height="16" width="16" border="0" align="absmiddle" alt="Improvement">        Improvement
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        <strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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                    3.0            </td>
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        <strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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                                        <a class="user-hover" rel="paul" id="email_paul" href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=paul" style="color:#005500;">Paul Hammant</a>
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        <strong style="font-weight:normal;color:#505050;">Components:</strong>
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                    PicoContainer (Java)            </td>
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        <strong style="font-weight:normal;color:#505050;">Created:</strong>
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        14/Jun/13 4:15 PM
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        <strong style="font-weight:normal;color:#505050;">Description:</strong>
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        <p style='margin-top:0;margin-bottom:10px;'>Pico REALLY needs more information tracing as it goes through its finding matches for component resolution when injecting different types.  I'm finding I'm having to resort to debugging because something isn't getting injected when its just a wrong type being registered.</p>

<p style='margin-top:0;margin-bottom:10px;'>Since ComponentMonitor does its job on handling component modification, I'd like to propose:</p>

<p style='margin-top:0;margin-bottom:10px;'>interface InjectionTracingMonitor</p>

<p style='margin-top:0;margin-bottom:10px;'>To save on the already cluttered picocontainer constructors, I say we just default to NullInjectionTracingLogicMonitor and then create a "swapInjectionTracingMonitor()" method for those that need to turn on that level of debugging.</p>

<p style='margin-top:0;margin-bottom:10px;'>Duties will involve:</p>

<ul>
	<li>Notification if an injectee is matched with its component</li>
	<li>Notification if a component is rejected as a match due to incompatible types</li>
	<li>Notification if a component parameter is using default component resolution or a specific constant or specific component parameter.</li>
</ul>


<p style='margin-top:0;margin-bottom:10px;'>That kind of thing.</p>
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        <strong style="font-weight:normal;color:#505050;">Project:</strong>
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        <a style="color:#005500;" href="https://jira.codehaus.org/browse/PICO">PicoContainer</a>
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        <strong style="font-weight:normal;color:#505050;">Priority:</strong>
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                        <img src="https://jira.codehaus.org/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major">                Major
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        <strong style="font-weight:normal;color:#505050;">Reporter:</strong>
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                                        <a class="user-hover" rel="rimovm" id="email_rimovm" href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=rimovm" style="color:#005500;">Michael Rimov</a>
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