How to apply a viewCriteria programmatically in ADF : https://cedricleruth.com/how-to-apply-a-viewcriteria-programmatically-in-adf/

ApplyViewCriteriaOnViewObjectIterator.java

/**
 * Apply view criteria named MyViewCriteria to it's ViewObject
 * by getting it through the binding iterator MyViewObjectIterator
 * Full library : https://github.com/CedricL46/Oracle-ADF-and-JSF-Utils-libraries
 */
public void applyViewCriteriaOnViewObjectByIteratorName(String MyViewCriteriaName, String MyViewObjectIteratorName) {
	try {
		//Get The viewObject from the iterator define in the current binding context
		ViewObject vo = this.getViewObjectFromIteratorName(MyViewObjectIteratorName)
		//Get all it's ViewCriteria using the ViewCriteriaManager of the ViewObject
		ViewCriteriaManager vcm = vo.getViewCriteriaManager();
		//Get the specified View Criteria
		ViewCriteria vc = vcm.getViewCriteria(MyViewCriteriaName);
		//Apply the ViewCriteria to the ViewObject
		vo.applyViewCriteria(vc);
		//Note: If you need to apply this view criteria on top of already applied view criteria
		//without removing them you can add the following boolean parameter : 
		//vo.applyViewCriteria(vc,true);
		
		//That's all you need if the iterator is set to be refresh after this
		//If not you can force the ViewObject to execute by uncommenting the following :
		//vo.executeQuery(); 
	} catch (NullPointerException e) {
		//Log and warn for null
		//Often occur when there is an error in the provided attributes 
		//(MyViewCriteriaName, MyViewObjectIteratorName)
	} catch (Exception e) {
		//Log and warn for other exceptions - Should never be needed
}
	
/**
 * Useful function to get ViewObject from IteratorName
 * The iterator need to have a least one binding define in the current page
 * In this gist it's a private but i advice setting it as a public static in an utility class available for the whole Controller
 */
 private ViewObject getViewObjectFromIteratorName(String MyViewObjectIteratorName) {
	ViewObject vo = null;
	try {
		DCBindingContainer bindings = (DCBindingContainer) BindingContext.getCurrent().getCurrentBindingsEntry();
		DCIteratorBinding iterator = bindings.findIteratorBinding(MyViewObjectIteratorName);
		vo = iterator.getViewObject();		
	} catch (NullPointerException e) {
		//Log and warn for null
		//Often occur when there is an error in the provided attributes 
		//or if the iterator doesn't have a least one binding define in the current page
	}
	return vo;
 }