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author | Zhang Qiang <qiang.z.zhang@intel.com> | 2012-05-29 12:22:00 +0800 |
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committer | Zhang Qiang <qiang.z.zhang@intel.com> | 2012-05-29 12:22:00 +0800 |
commit | 02f0634ac29e19c68279e5544cac963e7f1203b8 (patch) | |
tree | b983472f94ef063cedf866d8ecfb55939171779d /examples_java/src/collections/ship/index/SampleViews.java | |
parent | e776056ea09ba0b6d9505ced6913c9190a12d632 (diff) | |
download | db4-master.tar.gz db4-master.tar.bz2 db4-master.zip |
Diffstat (limited to 'examples_java/src/collections/ship/index/SampleViews.java')
-rw-r--r-- | examples_java/src/collections/ship/index/SampleViews.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/examples_java/src/collections/ship/index/SampleViews.java b/examples_java/src/collections/ship/index/SampleViews.java new file mode 100644 index 0000000..3c101c9 --- /dev/null +++ b/examples_java/src/collections/ship/index/SampleViews.java @@ -0,0 +1,161 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 2002-2009 Oracle. All rights reserved. + * + * $Id$ + */ + +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; + } +} |