XQuery Java API (tutorial)

Short Description
See the Javadoc. for more details. 5. XQuery Java API (tutorial) ….. This is mainly for internal usage. 12. XQuery Java API (tutorial) …

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Content
XQuery Java API (tutorial)
Qizx/open 1.1
Copyright . Axyana Software 2004-2007
Table of Contents
1. Overview ……………………………………………………………………………………………………………… 1
1.1. Relationship with XQJ (XQuery API for Java) ………………………………………………… 2
2. Packages and classes ……………………………………………………………………………………………… 3
2.1. Packages …………………………………………………………………………………………………….. 3
2.2. Overview of Interfaces and Classes ……………………………………………………………….. 3
3. Using the API ……………………………………………………………………………………………………….. 4
3.1. Outline ……………………………………………………………………………………………………….. 5
3.2. More detailed workflow ……………………………………………………………………………….. 5
4. Data Model interfaces ……………………………………………………………………………………………. 8
4.1. Basic accessors ……………………………………………………………………………………………. 9
4.2. Extended accessors …………………………………………………………………………………….. 10
4.3. Extended XQuery accessors ………………………………………………………………………… 11
4.4. Node Comparisons …………………………………………………………………………………….. 11
4.5. Parsing ……………………………………………………………………………………………………… 11
4.6. Serialization ………………………………………………………………………………………………. 12
4.7. Exporting as trees ………………………………………………………………………………………. 12
Warning
In the next version of Qizx/db, this API will be unified with the XML Library API, and
many interface, class and method names will change.
We recommend therefore to avoid significant developments using this API.
1. Overview
This API provides the methods for compiling and executing XQuery/XPath scripts from Java
and exploiting the results. This is very similar to using the SQL language through a Java interface
like JDBC.
Using XQuest’s implementation of XQuery provides a high-level query language and extended
processing capabilities. It is therefore advisable to implement…