/*- * Copyright (C) 2002, 2017, Oracle and/or its affiliates. All rights reserved. * * This file was distributed by Oracle as part of a version of Oracle Berkeley * DB Java Edition made available at: * * http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html * * Please see the LICENSE file included in the top-level directory of the * appropriate version of Oracle Berkeley DB Java Edition for a copy of the * license and additional information. */ package collections.ship.factory; import java.io.Serializable; import com.sleepycat.bind.tuple.MarshalledTupleKeyEntity; import com.sleepycat.bind.tuple.TupleInput; import com.sleepycat.bind.tuple.TupleOutput; /** * A Supplier represents the combined key/data pair for a supplier entity. * *
In this sample, Supplier is bound to the stored key/data entry by * implementing the MarshalledTupleKeyEntity interface.
* *The binding is "tricky" in that it uses this class for both the stored * data entry and the combined entity object. To do this, the key field(s) are * transient and are set by the binding after the data object has been * deserialized. This avoids the use of a SupplierData class completely.
* *Since this class is used directly for data storage, it must be * Serializable.
* * @author Mark Hayes */ public class Supplier implements Serializable, MarshalledTupleKeyEntity { static final String CITY_KEY = "city"; private transient String number; private String name; private int status; private String city; public Supplier(String number, String name, int status, String city) { this.number = number; this.name = name; this.status = status; this.city = city; } public final String getNumber() { return number; } public final String getName() { return name; } public final int getStatus() { return status; } public final String getCity() { return city; } public String toString() { return "[Supplier: number=" + number + " name=" + name + " status=" + status + " city=" + city + ']'; } // --- MarshalledTupleKeyEntity implementation --- public void marshalPrimaryKey(TupleOutput keyOutput) { keyOutput.writeString(this.number); } public void unmarshalPrimaryKey(TupleInput keyInput) { this.number = keyInput.readString(); } public boolean marshalSecondaryKey(String keyName, TupleOutput keyOutput) { if (keyName.equals(CITY_KEY)) { if (this.city != null) { keyOutput.writeString(this.city); return true; } else { return false; } } else { throw new UnsupportedOperationException(keyName); } } public boolean nullifyForeignKey(String keyName) { throw new UnsupportedOperationException(keyName); } }