/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2008 Oracle. All rights reserved.
*
* $Id: SampleViews.java,v 12.7 2008/01/08 20:58:30 bostic Exp $
*/
package collections.ship.index;
import com.sleepycat.bind.EntryBinding;
import com.sleepycat.bind.serial.ClassCatalog;
import com.sleepycat.bind.serial.SerialBinding;
import com.sleepycat.collections.StoredEntrySet;
import com.sleepycat.collections.StoredSortedMap;
/**
* SampleViews defines the data bindings and collection views for the sample
* database.
*
* @author Mark Hayes
*/
public class SampleViews {
private StoredSortedMap partMap;
private StoredSortedMap supplierMap;
private StoredSortedMap shipmentMap;
private StoredSortedMap shipmentByPartMap;
private StoredSortedMap shipmentBySupplierMap;
private StoredSortedMap supplierByCityMap;
/**
* Create the data bindings and collection views.
*/
public SampleViews(SampleDatabase db) {
// Create the data bindings.
// In this sample, the stored key and data entries are used directly
// rather than mapping them to separate objects. Therefore, no binding
// classes are defined here and the SerialBinding class is used.
//
ClassCatalog catalog = db.getClassCatalog();
EntryBinding partKeyBinding =
new SerialBinding(catalog, PartKey.class);
EntryBinding partDataBinding =
new SerialBinding(catalog, PartData.class);
EntryBinding supplierKeyBinding =
new SerialBinding(catalog, SupplierKey.class);
EntryBinding supplierDataBinding =
new SerialBinding(catalog, SupplierData.class);
EntryBinding shipmentKeyBinding =
new SerialBinding(catalog, ShipmentKey.class);
EntryBinding shipmentDataBinding =
new SerialBinding(catalog, ShipmentData.class);
EntryBinding cityKeyBinding =
new SerialBinding(catalog, String.class);
// Create map views for all stores and indices.
// StoredSortedMap is not used since the stores and indices are
// ordered by serialized key objects, which do not provide a very
// useful ordering.
//
partMap =
new StoredSortedMap(db.getPartDatabase(),
partKeyBinding, partDataBinding, true);
supplierMap =
new StoredSortedMap(db.getSupplierDatabase(),
supplierKeyBinding, supplierDataBinding, true);
shipmentMap =
new StoredSortedMap(db.getShipmentDatabase(),
shipmentKeyBinding, shipmentDataBinding, true);
shipmentByPartMap =
new StoredSortedMap(db.getShipmentByPartDatabase(),
partKeyBinding, shipmentDataBinding, true);
shipmentBySupplierMap =
new StoredSortedMap(db.getShipmentBySupplierDatabase(),
supplierKeyBinding, shipmentDataBinding, true);
supplierByCityMap =
new StoredSortedMap(db.getSupplierByCityDatabase(),
cityKeyBinding, supplierDataBinding, true);
}
// The views returned below can be accessed using the java.util.Map or
// java.util.Set interfaces, or using the StoredSortedMap and
// StoredEntrySet classes, which provide additional methods. The entry
// sets could be obtained directly from the Map.entrySet() method, but
// convenience methods are provided here to return them in order to avoid
// down-casting elsewhere.
/**
* Return a map view of the part storage container.
*/
public final StoredSortedMap getPartMap() {
return partMap;
}
/**
* Return a map view of the supplier storage container.
*/
public final StoredSortedMap getSupplierMap() {
return supplierMap;
}
/**
* Return a map view of the shipment storage container.
*/
public final StoredSortedMap getShipmentMap() {
return shipmentMap;
}
/**
* Return an entry set view of the part storage container.
*/
public final StoredEntrySet getPartEntrySet() {
return (StoredEntrySet) partMap.entrySet();
}
/**
* Return an entry set view of the supplier storage container.
*/
public final StoredEntrySet getSupplierEntrySet() {
return (StoredEntrySet) supplierMap.entrySet();
}
/**
* Return an entry set view of the shipment storage container.
*/
public final StoredEntrySet getShipmentEntrySet() {
return (StoredEntrySet) shipmentMap.entrySet();
}
/**
* Return a map view of the shipment-by-part index.
*/
public StoredSortedMap getShipmentByPartMap() {
return shipmentByPartMap;
}
/**
* Return a map view of the shipment-by-supplier index.
*/
public StoredSortedMap getShipmentBySupplierMap() {
return shipmentBySupplierMap;
}
/**
* Return a map view of the supplier-by-city index.
*/
public final StoredSortedMap getSupplierByCityMap() {
return supplierByCityMap;
}
}