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+.\" ========================================================================
+.\"
+.IX Title "Tree::Simple::Visitor::FindByUID 3"
+.TH Tree::Simple::Visitor::FindByUID 3 "2005-07-14" "perl v5.8.7" "User Contributed Perl Documentation"
+.SH "NAME"
+Tree::Simple::Visitor::FindByUID \- A Visitor for finding an element in a Tree::Simple hierarchy by UID
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+.Vb 1
+\& use Tree::Simple::Visitor::FindByUID;
+.Ve
+.PP
+.Vb 2
+\& # create a visitor object
+\& my $visitor = Tree::Simple::Visitor::FindByUID\->new();
+.Ve
+.PP
+.Vb 2
+\& # set the search path for our tree
+\& $visitor\->searchForUID("MyTreeUID");
+.Ve
+.PP
+.Vb 2
+\& # pass the visitor to a tree
+\& $tree\->accept($visitor);
+.Ve
+.PP
+.Vb 4
+\& # fetch the result, which will
+\& # be the Tree::Simple object that
+\& # we have found, or undefined
+\& my $result = $visitor\->getResult() || die "No Tree found";
+.Ve
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+Given a \s-1UID\s0 and Tree::Simple hierarchy, this Visitor will attempt to find the node with the same \s-1UID\s0.
+.SH "METHODS"
+.IX Header "METHODS"
+.IP "\fBnew\fR" 4
+.IX Item "new"
+There are no arguments to the constructor the object will be in its default state. You can use the \f(CW\*(C`setNodeFilter\*(C'\fR, \f(CW\*(C`setTraversalMethod\*(C'\fR, \f(CW\*(C`includeTrunk\*(C'\fR and \f(CW\*(C`searchForUID\*(C'\fR methods to customize its behavior.
+.IP "\fBincludeTrunk ($boolean)\fR" 4
+.IX Item "includeTrunk ($boolean)"
+Based upon the value of \f(CW$boolean\fR, this will tell the visitor to include the trunk of the tree in the search as well.
+.IP "\fBsetTraversalMethod ($visitor)\fR" 4
+.IX Item "setTraversalMethod ($visitor)"
+By default we will use Tree::Simple's built in depth-first (pre\-order) traverse method. If however, you desire the tree to be search in a different ordering, this can be accomplished using a different traversal method, you can supply a \f(CW$visitor\fR object implementing that traversal type to this method (See \fBTree::Simple::Visitor::BreadthFirstTraversal\fR, \fBTree::Simple::Visitor::PreOrderTraversal\fR and \fBTree::Simple::Visitor::PostOrderTraversal\fR).
+.IP "\fBsearchForUID ($UID)\fR" 4
+.IX Item "searchForUID ($UID)"
+This is the \s-1UID\s0 we will attempt to find within the tree.
+.IP "\fBsetNodeFilter ($filter_function)\fR" 4
+.IX Item "setNodeFilter ($filter_function)"
+This method accepts a \s-1CODE\s0 reference as its \f(CW$filter_function\fR argument and throws an exception if it is not a code reference. This code reference is used to further check the tree nodes as they are searched and so can be used to customize search behavior. For instance, you could to check against the \s-1UID\s0 as well as some other criteria. The filter function should accept a single argument, which is the current Tree::Simple object and return either true (\f(CW1\fR) on success, or false (\f(CW0\fR) on failure.
+.IP "\fBvisit ($tree)\fR" 4
+.IX Item "visit ($tree)"
+This is the method that is used by Tree::Simple's \f(CW\*(C`accept\*(C'\fR method. It can also be used on its own, it requires the \f(CW$tree\fR argument to be a Tree::Simple object (or derived from a Tree::Simple object), and will throw and exception otherwise.
+.IP "\fBgetResult\fR" 4
+.IX Item "getResult"
+This method will return the tree found with the specified \s-1UID\s0 (set by the \f(CW\*(C`searchForUID\*(C'\fR method) or \f(CW\*(C`undef\*(C'\fR if no tree is found.
+.SH "BUGS"
+.IX Header "BUGS"
+None that I am aware of. Of course, if you find a bug, let me know, and I will be sure to fix it.
+.SH "CODE COVERAGE"
+.IX Header "CODE COVERAGE"
+See the \fB\s-1CODE\s0 \s-1COVERAGE\s0\fR section in Tree::Simple::VisitorFactory for more inforamtion.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+These Visitor classes are all subclasses of \fBTree::Simple::Visitor\fR, which can be found in the \fBTree::Simple\fR module, you should refer to that module for more information.
+.SH "ACKNOWLEDGEMENTS"
+.IX Header "ACKNOWLEDGEMENTS"
+.IP "Thanks to Vitor Mori for the idea for this Visitor." 4
+.IX Item "Thanks to Vitor Mori for the idea for this Visitor."
+.SH "AUTHOR"
+.IX Header "AUTHOR"
+stevan little, <stevan@iinteractive.com>
+.SH "COPYRIGHT AND LICENSE"
+.IX Header "COPYRIGHT AND LICENSE"
+Copyright 2004, 2005 by Infinity Interactive, Inc.
+.PP
+<http://www.iinteractive.com>
+.PP
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
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