AF:inputListOfValues sets the value of the first item in the result set when using enter key or tab and component value autosubmit = true

I use JDev 11.1.1.6 and when I type in a value in an af:inputListOfValues element and press enter or the tab key, it will replace the value I entered with the first element in the set of results LOV. If enter a value, simply click on the component af:inputListOfValues it works correctly. If I use the popup and find a value it works properly as well. I have a programmatic view object that contains a single transitional attribute (this is the view object that is used to create the list of the components of the value of) and then I have another object from view based on entities which defines one of its attributes in a list of the attribute value. I tried to use a base object view of entity to create the LOV to and everything works as expected, so I don't know if this is a bug when using programmatic view objects or if I need more code in the VOImpl. In addition, it seems after that first of the value being replaced by the first value in the result set that it will work correctly as well. Here are some excerpts of important code.

Also, it seems that this does not work only if the text entered in the component af:inputListOfValues would have only a single game, returned in the result set. For example, given the result defined in code: Brad, Adam, Aaron, Fred, Charles, Charlie, Jimmy

If we get into Cha, the component works as expected

If we register A, the component works as expected

If we get Jimmy, the component does not work as expected, and returns the first value of results IE. Brad

If we get Fred, the component does not work as expected, and returns the first value of results IE. Brad

I also checked that I get the same behavior in JDev 11.1.1.7

UsersVOImpl (programmatic view with 1 transitional attribute object)

import java.sql.ResultSet;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import oracle.adf.share.logging.ADFLogger;

import oracle.jbo.JboException;
import oracle.jbo.server.ViewObjectImpl;
import oracle.jbo.server.ViewRowImpl;
import oracle.jbo.server.ViewRowSetImpl;

// ---------------------------------------------------------------------
// ---    File generated by Oracle ADF Business Components Design Time.
// ---    Wed Sep 18 15:59:44 CDT 2013
// ---    Custom code may be added to this class.
// ---    Warning: Do not modify method signatures of generated methods.
// ---------------------------------------------------------------------

public class UsersVOImpl extends ViewObjectImpl {

    private static ADFLogger LOGGER = ADFLogger.createADFLogger(UsersVOImpl.class);
    private long hitCount = 0;

    /**
     * This is the default constructor (do not remove).
     */
    public UsersVOImpl () {
    }

    /**
     * executeQueryForCollection - overridden for custom java data source support.
     */
    protected void executeQueryForCollection (Object qc, Object[] params, int noUserParams) {

         List<String> usersList = new ArrayList<String>();
         usersList.add("Brad");
         usersList.add("Adam");
         usersList.add("Aaron");
         usersList.add("Fred");
         usersList.add("Charles");
         usersList.add("Charlie");
         usersList.add("Jimmy");

         Iterator usersIterator = usersList.iterator();
         setUserDataForCollection(qc, usersIterator);
         hitCount = usersList.size();
         super.executeQueryForCollection(qc, params, noUserParams);

    } // end executeQueryForCollection

    /**
     * hasNextForCollection - overridden for custom java data source support.
     */
    protected boolean hasNextForCollection (Object qc) {

         Iterator usersListIterator = (Iterator)getUserDataForCollection(qc);
         if (usersListIterator.hasNext()) {
     
             return true;

         } else {

             setFetchCompleteForCollection(qc, true);
             return false;

         } // end if

    } // end hasNextForCollection

    /**
     * createRowFromResultSet - overridden for custom java data source support.
     */
    protected ViewRowImpl createRowFromResultSet (Object qc, ResultSet resultSet) {

         Iterator usersListIterator = (Iterator)getUserDataForCollection(qc);
         String user = (String)usersListIterator.next();
         ViewRowImpl viewRowImpl = createNewRowForCollection(qc);

         try {

             populateAttributeForRow(viewRowImpl, 0, user.toString());

         } catch (Exception e) {

             LOGGER.severe("Error Initializing Data", e);
             throw new JboException(e);

         } // end try/catch

         return viewRowImpl;

    } // end createRowFromResultSet

    /**
     * getQueryHitCount - overridden for custom java data source support.
     */
    public long getQueryHitCount (ViewRowSetImpl viewRowSet) {
         return hitCount;
    } // end getQueryHitCount

    @Override
    protected void create () {

         getViewDef().setQuery(null);
         getViewDef().setSelectClause(null);
         setQuery(null);

    } // end create

    @Override
    protected void releaseUserDataForCollection (Object qc, Object rs) {

         Iterator usersListIterator = (Iterator)getUserDataForCollection(qc);
         usersListIterator = null;
         super.releaseUserDataForCollection(qc, rs);

    } // end releaseUserDataForCollection

} // end class



<af:inputListOfValues id="userName" popupTitle="Search and Select: #{bindings.UserName.hints.label}" value="#{bindings.UserName.inputValue}"
                                              label="#{bindings.UserName.hints.label}" model="#{bindings.UserName.listOfValuesModel}" required="#{bindings.UserName.hints.mandatory}"
                                              columns="#{bindings.UserName.hints.displayWidth}" shortDesc="#{bindings.UserName.hints.tooltip}" autoSubmit="true"
                                              searchDesc="#{bindings.UserName.hints.tooltip}"                                           
                                              simple="true">
                          <f:validator binding="#{bindings.UserName.validator}"/>                       
</af:inputListOfValues>

I found a solution to this problem. It seems that, when using a view object programmatic that has a transient as its primary key attribute, you need to override the methods in the ViewObjectImpl so that he knows how to locate the line related to the primary key when the view object records are not in the cache. That's why it would work properly sometimes, but not always. Here are the additional methods that you must override. The logic you use in the retrieveByKey would be on a view view object database object and would be different if you had a primary key consisting of multiple attributes.

@Override
protected Row[] retrieveByKey (ViewRowSetImpl viewRowSetImpl, Key key, int i) {
    return retrieveByKey(viewRowSetImpl, null, key, i, false);
}

@Override
protected Row[] retrieveByKey (ViewRowSetImpl viewRowSetImpl, String string, Key key, int i, boolean b) {

    RowSetIterator usersRowSetIterator = this.createRowSet(null);
    Row[] userRows = usersRowSetIterator.getFilteredRows("UserId", key.getAttribute(this.getAttributeIndexOf("UserId")));
    usersRowSetIterator.closeRowSetIterator();
    return userRows;

}

@Override
protected Row[] retrieveByKey (ViewRowSetImpl viewRowSetImpl, Key key, int i, boolean b) {
    return retrieveByKey(viewRowSetImpl, null, key, i, b);
}

Tags: Java

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