BaseName (query directive)
From WandoraWiki
(Difference between revisions)
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[[Category:Query directives]] | [[Category:Query directives]] | ||
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| + | == Examples == | ||
| + | |||
| + | Following example gets the base names of the instances of the input topic. | ||
| + | |||
| + | importPackage(org.wandora.query2); | ||
| + | new BaseName().from(new Instances()) | ||
| + | |||
| + | Following example gets the base name of content type topic. | ||
| + | |||
| + | importPackage(org.wandora.query2); | ||
| + | new BaseName().from("http://www.wandora.org/core/contenttype") | ||
| + | |||
| + | Following example finds all topics in the topic map which do not have a base name. | ||
| + | |||
| + | importPackage(org.wandora.query2); | ||
| + | new BaseName().from(new AllTopics().as("#topic")) | ||
| + | .where("#DEFAULT","=",null) | ||
| + | |||
| + | Following example gets the base name of the input topic or the first subject identifier if it doesn't have a base name. | ||
| + | |||
| + | importPackage(org.wandora.query2); | ||
| + | new If( | ||
| + | new BaseName().where("#DEFAULT","!=",null), | ||
| + | new BaseName(), | ||
| + | new First(new SubjectIdentifiers()) | ||
| + | ) | ||
Revision as of 12:17, 21 August 2009
Description
Gets the base name of the active column value of input.
Constructor
BaseName()
Examples
Following example gets the base names of the instances of the input topic.
importPackage(org.wandora.query2); new BaseName().from(new Instances())
Following example gets the base name of content type topic.
importPackage(org.wandora.query2);
new BaseName().from("http://www.wandora.org/core/contenttype")
Following example finds all topics in the topic map which do not have a base name.
importPackage(org.wandora.query2);
new BaseName().from(new AllTopics().as("#topic"))
.where("#DEFAULT","=",null)
Following example gets the base name of the input topic or the first subject identifier if it doesn't have a base name.
importPackage(org.wandora.query2);
new If(
new BaseName().where("#DEFAULT","!=",null),
new BaseName(),
new First(new SubjectIdentifiers())
)
