If you don’t create a design time UI plug-in, BIRT provides prompts for the properties that are defined in the plugin. BIRT’s internal data engine serves as the observed object, and the developer is responsible for creating the observer. The complete source for the plug-in is available in Download. A getMetaData method returns the metadata of the column types. Sign in or register to add and subscribe to comments.
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Creating the pages for the data source and data set editors is a simple matter of registering property pages in the manifest editor, and then creating Standard Widget Toolkit SWT composites. Several different extension points are odq in BIRT.
Let’s consider the runtime plug-in first. The task requires the name of a report document and the name of a table with a data set binding. You must write each of the get column methods and get data type methods. Knowing this framework allows system integrators to extend BIRT beyond the realm of strictly database reporting. Likewise, the DataSetWizardPage is the first page that is used in data set creation.
The observer method that you must dto is the prepare method, which is responsible for preparing the IQuery method for execution. For a database query, you use a Structured Query Language query. It also calls the DataSourceWizardPage. The composite that is created calls the DataSourceWizardPage. Comments Sign in or register to add and subscribe to comments.
[dtp-dev] DTP ODA Flatfile & DTP ODA XML drivers timestamp changed.
The definition for both can be seen in the newDataSourceWizard and the designer data source connection properties in the manifest editor. For a complete example of a design time plug-in, see the example code available in Download. A getMetaData method returns the metadata of the column types. If you followed all of the steps in the wizard, you already set most of the configuration items.
John Ward Published on November 27, Pay attention to that little tidbit about the plugin.
Index of /pub/verinice/target-platform/dtp-sdk/plugins
Subscribe me to comment notifications. In the example code, the RptDocPropertyPage.
These plug-ins are fairly complex, but by referencing the example project, you can extend BIRT’s data-retrieval dhp. The remaining items to work with are the driverClass and the properties. It calls a separately defined property page. But what is different about the ODA architecture is that several of the observed calls are actually factory calls, requiring the observer to create new objects that are themselves observers.
If you are using the wizard, the Connection object most of the boilerplate code is already written, but you complete the implementations of these methods. Download the source code For a complete example of a design time plug-in, see the example code available in Download.
You use the next method to iterate over each row in the result set. The Driver class is the root observer for the ODA. View image at full size.
The method returns true if there are remaining rows and false if there are no other rows to return. Remember that editing a data xl editor when you click a data source in the BIRT editor does not call this same set of classes: This article walked you through the process of creating two plug-in projects—one for design time and dyp for runtime.
At a high level, a few basic types of factories create observers. For the report document ODA, this method closes the Data Extraction Task’s result set iterator and sets all objects to null. If you don’t create a design time UI plug-in, BIRT provides prompts for the properties that are defined in the plugin.