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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: SampleViews.java,v 1.16.2.2 2010/01/04 15:30:24 cwl Exp $
*/
package collections.ship.basic;
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.StoredMap;
/**
* SampleViews defines the data bindings and collection views for the sample
* database.
*
* @author Mark Hayes
*/
public class SampleViews {
private StoredMap partMap;
private StoredMap supplierMap;
private StoredMap shipmentMap;
/**
* Create the data bindings and collection views.
*/
public SampleViews(SampleDatabase db) {
// 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);
// 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 StoredMap(db.getPartDatabase(),
partKeyBinding, partDataBinding, true);
supplierMap =
new StoredMap(db.getSupplierDatabase(),
supplierKeyBinding, supplierDataBinding, true);
shipmentMap =
new StoredMap(db.getShipmentDatabase(),
shipmentKeyBinding, shipmentDataBinding, true);
}
// The views returned below can be accessed using the java.util.Map or
// java.util.Set interfaces, or using the StoredMap 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 StoredMap getPartMap() {
return partMap;
}
/**
* Return a map view of the supplier storage container.
*/
public final StoredMap getSupplierMap() {
return supplierMap;
}
/**
* Return a map view of the shipment storage container.
*/
public final StoredMap 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();
}
}
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