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Wednesday, 29 November 2017

Export ViewObject data to Excel File Using Apache POI in Oracle ADF


Hello All

Previously I have posted about importing data in ADF Table from Excel file

This post is about exporting viewObject data in Excel file using Apache POI API, Apache POI provides HSFF and XSFF to read , create and modify spreadsheets.
You can download POI jars from The APACHE Software Foundation or from here
Other than this you need to use xmlbeans and common-collections Jar

Monday, 13 November 2017

ADF Basics: Add the row at the end of ViewObject's current RowSet in ADF


This post is about adding a row at the end of current rowset of viewObject without using table or any other UI components binding


Here I have a Department ViewObject (HR Schema), dropped as a table on page and a button to add new row, this button calls a method from model using binding layer 

Wednesday, 13 September 2017

ADF Basics: Filter ViewObject data using getFilteredRows and RowQualifier


Sometimes we need to get filtered data from ViewObject using one or multiple conditions,
Though this is the very basic of framework yet new developers find it confusing.

There are two ways of filtering ViewObject

 1. In this we apply WHERE clause on ViewObject and it affects resultSet data, Suppose we have Department ViewObject and we want to see data of DepartmentId 4 on page after filtering, for this viewCritera, bind variables comes in action
ADF Basics: Apply and Change WHERE Clause of ViewObject at runtime programmatically

2. In this user want to get filtered data (Rows) in code only without any effect on ViewObject resultSet (page data), Here I am discussing this point

We can get filtered data from view object using two methods-