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Diffstat (limited to 'examples_java/src/collections/ship/factory/SampleViews.java')
-rw-r--r-- | examples_java/src/collections/ship/factory/SampleViews.java | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/examples_java/src/collections/ship/factory/SampleViews.java b/examples_java/src/collections/ship/factory/SampleViews.java new file mode 100644 index 0000000..bb03d8a --- /dev/null +++ b/examples_java/src/collections/ship/factory/SampleViews.java @@ -0,0 +1,142 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 2002-2009 Oracle. All rights reserved. + * + * $Id$ + */ + +package collections.ship.factory; + +import com.sleepycat.collections.StoredSortedMap; +import com.sleepycat.collections.StoredSortedValueSet; +import com.sleepycat.collections.TupleSerialFactory; + +/** + * 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) { + + // Use the TupleSerialFactory for a Serial/Tuple-based database + // where marshalling interfaces are used. + // + TupleSerialFactory factory = db.getFactory(); + + // Create map views for all stores and indices. + // StoredSortedMap is used since the stores and indices are ordered + // (they use the DB_BTREE access method). + // + partMap = + factory.newSortedMap(db.getPartDatabase(), + PartKey.class, Part.class, true); + supplierMap = + factory.newSortedMap(db.getSupplierDatabase(), + SupplierKey.class, Supplier.class, true); + shipmentMap = + factory.newSortedMap(db.getShipmentDatabase(), + ShipmentKey.class, Shipment.class, true); + shipmentByPartMap = + factory.newSortedMap(db.getShipmentByPartDatabase(), + PartKey.class, Shipment.class, true); + shipmentBySupplierMap = + factory.newSortedMap(db.getShipmentBySupplierDatabase(), + SupplierKey.class, Shipment.class, true); + supplierByCityMap = + factory.newSortedMap(db.getSupplierByCityDatabase(), + String.class, Supplier.class, true); + } + + // The views returned below can be accessed using the java.util.Map or + // java.util.Set interfaces, or using the StoredMap and StoredValueSet + // classes, which provide additional methods. The entity sets could be + // obtained directly from the Map.values() 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 StoredSortedMap getPartMap() { + + return partMap; + } + + /** + * Return a map view of the supplier storage container. + */ + public StoredSortedMap getSupplierMap() { + + return supplierMap; + } + + /** + * Return a map view of the shipment storage container. + */ + public StoredSortedMap getShipmentMap() { + + return shipmentMap; + } + + /** + * Return an entity set view of the part storage container. + */ + public StoredSortedValueSet getPartSet() { + + return (StoredSortedValueSet) partMap.values(); + } + + /** + * Return an entity set view of the supplier storage container. + */ + public StoredSortedValueSet getSupplierSet() { + + return (StoredSortedValueSet) supplierMap.values(); + } + + /** + * Return an entity set view of the shipment storage container. + */ + public StoredSortedValueSet getShipmentSet() { + + return (StoredSortedValueSet) shipmentMap.values(); + } + + /** + * 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 StoredSortedMap getSupplierByCityMap() { + + return supplierByCityMap; + } +} |