Dynamic dispatch - Revision history

JAL: /* See also */

2013-10-14T22:16:00Z

See also

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	<li>[[Narrowing assignments and class tests]]		<li>[[Narrowing assignments and class tests]]
	<li>[[Enhancement methods]]		<li>[[Enhancement methods]]
	<li>[[~~Janus SOAP ULI essentials~~]]		<li>[[Object oriented programming in SOUL]]
	</ul>		</ul>

	[[Category:Overviews]]		[[Category:Overviews]]
	[[Category:SOUL object-oriented programming topics]]		[[Category:SOUL object-oriented programming topics]]

JALWiccan: Automatically generated page update

2013-10-14T20:05:21Z

Automatically generated page update

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	[[Category:Overviews]]		[[Category:Overviews]]
	[[Category:~~Janus SOAP ULI~~ topics]]		[[Category:SOUL object-oriented programming topics]]

Dme at 02:38, 11 October 2013

2013-10-11T02:38:48Z

JALWiccan: Automatically generated page update

2013-06-03T21:28:59Z

Automatically generated page update

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	<li>[[Narrowing assignments and class tests]]		<li>[[Narrowing assignments and class tests]]
	<li>[[Enhancement methods]]		<li>[[Enhancement methods]]
	<li>[[Janus SOAP essentials]]		<li>[[Janus SOAP ULI essentials]]
	</ul>		</ul>

	[[Category:Overviews]]		[[Category:Overviews]]
	[[Category:Janus SOAP ULI topics]]		[[Category:Janus SOAP ULI topics]]

JAL2: /* See also */

2012-01-11T17:55:29Z

See also

← Older revision		Revision as of 17:55, 11 January 2012
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	<li>[[Narrowing assignments and class tests]]		<li>[[Narrowing assignments and class tests]]
	<li>[[Enhancement methods]]		<li>[[Enhancement methods]]
	<li>[[Janus SOAP ~~User Language Interface\|Janus SOAP ULI]]~~		<li>[[Janus SOAP essentials]]
	~~<li>[[Classes and Objects]]~~
	~~<li>[[Methods]]~~
	~~<li>[[Object variables]]~~
	~~<li>[[Global and session objects]]~~
	~~<li>[[Janus SOAP User Language Interface#Other User Language enhancements\|Other User Language enhancements~~]]
	</ul>		</ul>

	[[Category:Overviews]]		[[Category:Overviews]]
	[[Category:Janus SOAP ULI topics]]		[[Category:Janus SOAP ULI topics]]

JAL2 at 16:54, 11 January 2012

2012-01-11T16:54:17Z

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	[[Category:Overviews]]		[[Category:Overviews]]
			[[Category:Janus SOAP ULI topics]]

JAL2: /* See also */

2011-10-05T00:41:25Z

See also

← Older revision		Revision as of 00:41, 5 October 2011
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	==See also==		==See also==
	<ul>		<ul>
	<li>[[Inheritance and polymorphism~~\|"Inheritance and polymorphism"~~]]		<li>[[Inheritance and polymorphism]]
	<li>[[Narrowing assignments and class tests~~\|"Narrowing assignments and class tests"~~]]		<li>[[Narrowing assignments and class tests]]
	<li>[[Enhancement methods~~\|"Enhancement methods"~~]]		<li>[[Enhancement methods]]
	<li>[[Janus SOAP User Language Interface\|Janus SOAP ULI]]		<li>[[Janus SOAP User Language Interface\|Janus SOAP ULI]]
	<li>[[Classes and Objects~~\|"Classes and Objects"~~]]		<li>[[Classes and Objects]]
	<li>[[Methods~~\|"Methods"~~]]		<li>[[Methods]]
	<li>[[Object variables~~\|"Object variables"~~]]		<li>[[Object variables]]
	<li>[[Global and session objects]]		<li>[[Global and session objects]]
	<li>[[Janus SOAP User Language Interface#Other User Language enhancements\|"Other User Language enhancements"]]		<li>[[Janus SOAP User Language Interface#Other User Language enhancements\|Other User Language enhancements]]
	</ul>		</ul>

	[[Category:Overviews]]		[[Category:Overviews]]

JAL2: /* See also */

2011-09-09T21:34:26Z

See also

← Older revision		Revision as of 21:34, 9 September 2011
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	<li>[[Narrowing assignments and class tests\|"Narrowing assignments and class tests"]]		<li>[[Narrowing assignments and class tests\|"Narrowing assignments and class tests"]]
	<li>[[Enhancement methods\|"Enhancement methods"]]		<li>[[Enhancement methods\|"Enhancement methods"]]
			<li>[[Janus SOAP User Language Interface\|Janus SOAP ULI]]
	<li>[[Classes and Objects\|"Classes and Objects"]]		<li>[[Classes and Objects\|"Classes and Objects"]]
	<li>[[Methods\|"Methods"]]		<li>[[Methods\|"Methods"]]

JAL2 at 19:49, 2 September 2011

2011-09-02T19:49:38Z

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	<li>[[Methods\|"Methods"]]		<li>[[Methods\|"Methods"]]
	<li>[[Object variables\|"Object variables"]]		<li>[[Object variables\|"Object variables"]]
			<li>[[Global and session objects]]
			<li>[[Janus SOAP User Language Interface#Other User Language enhancements\|"Other User Language enhancements"]]
	</ul>		</ul>

	[[Category:Overviews]]		[[Category:Overviews]]

JAL2 at 19:45, 2 September 2011

2011-09-02T19:45:09Z

@@ Line 307: / Line 307: @@
 Performance cost should not be a consideration when trying to determine whether
 dynamic dispatch should be used.
 [[Category:Overviews]]

← Older revision		Revision as of 21:34, 9 September 2011
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	<li>[[Narrowing assignments and class tests\|"Narrowing assignments and class tests"]]		<li>[[Narrowing assignments and class tests\|"Narrowing assignments and class tests"]]
	<li>[[Enhancement methods\|"Enhancement methods"]]		<li>[[Enhancement methods\|"Enhancement methods"]]
			<li>[[Janus SOAP User Language Interface\|Janus SOAP ULI]]
	<li>[[Classes and Objects\|"Classes and Objects"]]		<li>[[Classes and Objects\|"Classes and Objects"]]
	<li>[[Methods\|"Methods"]]		<li>[[Methods\|"Methods"]]

← Older revision		Revision as of 02:38, 11 October 2013
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	</p>		</p>

	When the <code>Nextfeeding</code> method is invoked in the above example, <var class="product">~~Janus SOAP ULI~~</var>		When the <code>Nextfeeding</code> method is invoked in the above example, <var class="product">SOUL</var>
	determines the true class (remember, <code>%creature</code> can reference something		determines the true class (remember, <code>%creature</code> can reference something
	of the <code>Animal</code> class, or of any extension class of <code>Animal</code>) of the object		of the <code>Animal</code> class, or of any extension class of <code>Animal</code>) of the object
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	or implementing methods:		or implementing methods:
	<ul>		<ul>
	<li>Overridable or abstract methods can be any of the <var class="product">~~Janus SOAP ULI~~</var> method types:		<li>Overridable or abstract methods can be any of the <var class="product">SOUL</var> method types:
	<var>Functions</var>, <var>Subroutines</var>, or <var>Properties</var>.		<var>Functions</var>, <var>Subroutines</var>, or <var>Properties</var>.
	<li>Overridable or abstract methods can also have any type of parameter		<li>Overridable or abstract methods can also have any type of parameter
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	methods, since with abstract methods, there is no base class method for the		methods, since with abstract methods, there is no base class method for the
	<var>Super</var> member to reference.		<var>Super</var> member to reference.
	==<var class="product">~~Janus SOAP ULI~~</var> versus other languages==		==<var class="product">SOUL</var> versus other languages==
	For programmers familiar with other object-oriented programming languages, it is		For programmers familiar with other object-oriented programming languages, it is
	worth pointing out that most of the facilities provided for dynamic		worth pointing out that most of the facilities provided for dynamic
	dispatch by <var class="product">~~Janus SOAP ULI~~</var> are no different than those provided by those		dispatch by <var class="product">SOUL</var> are no different than those provided by those
	other languages.		other languages.
	However, some of the defaults in some other languages are different.		However, some of the defaults in some other languages are different.
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	considered to implement the base class method.		considered to implement the base class method.

	In <var class="product">~~Janus SOAP ULI~~</var>, the <var>Implements</var> clause is required in a method declaration		In <var class="product">SOUL</var>, the <var>Implements</var> clause is required in a method declaration
	for a method to be considered to implement a base class method.		for a method to be considered to implement a base class method.
	</ul>		</ul>
	These differences are present in <var class="product">~~Janus SOAP ULI~~</var> to facilitate its support for		These differences are present in <var class="product">SOUL</var> to facilitate its support for
	multiple inheritance, and also, independent of multiple inheritance,		multiple inheritance, and also, independent of multiple inheritance,
	to improve the maintainability of <var class="product">~~Janus SOAP ULI~~</var> code.		to improve the maintainability of <var class="product">SOUL</var> code.

	A final point: in many		A final point: in many
	programming languages, the use of dynamic dispatch has a severe		programming languages, the use of dynamic dispatch has a severe
	performance penalty.		performance penalty.
	This is ''not'' the case for <var class="product">~~Janus SOAP ULI~~</var>.		This is ''not'' the case for <var class="product">SOUL</var>.
	While there is an exceedingly small performance penalty for using		While there is an exceedingly small performance penalty for using
	dynamic dispatch, this penalty is so small as to be unmeasurable in most cases.		dynamic dispatch, this penalty is so small as to be unmeasurable in most cases.
	Performance cost should not be a consideration when trying to determine whether		Performance cost should not be a consideration when trying to determine whether
	dynamic dispatch should be used.		dynamic dispatch should be used.

	==See also==		==See also==
	<ul>		<ul>
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	<li>[[Janus SOAP ULI essentials]]		<li>[[Janus SOAP ULI essentials]]
	</ul>		</ul>

	[[Category:Overviews]]		[[Category:Overviews]]
	[[Category:Janus SOAP ULI topics]]		[[Category:Janus SOAP ULI topics]]