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// file ItemNameKeyCreator.java
// $Id: ItemNameKeyCreator.java,v 1.5 2006/03/30 00:39:55 sarette Exp $
package je.gettingStarted;
import com.sleepycat.je.SecondaryKeyCreator;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.SecondaryDatabase;
import com.sleepycat.bind.tuple.TupleBinding;
import java.io.IOException;
public class ItemNameKeyCreator implements SecondaryKeyCreator {
private TupleBinding theBinding;
// Use the constructor to set the tuple binding
ItemNameKeyCreator(TupleBinding binding) {
theBinding = binding;
}
// Abstract method that we must implement
public boolean createSecondaryKey(SecondaryDatabase secDb,
DatabaseEntry keyEntry, // From the primary
DatabaseEntry dataEntry, // From the primary
DatabaseEntry resultEntry) // set the key data on this.
throws DatabaseException {
if (dataEntry != null) {
// Convert dataEntry to an Inventory object
Inventory inventoryItem =
(Inventory)theBinding.entryToObject(dataEntry);
// Get the item name and use that as the key
String theItem = inventoryItem.getItemName();
try {
resultEntry.setData(theItem.getBytes("UTF-8"));
} catch (IOException willNeverOccur) {}
}
return true;
}
}
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