1/*- 2 * See the file LICENSE for redistribution information. 3 * 4 * Copyright (c) 2002,2008 Oracle. All rights reserved. 5 * 6 * $Id: Supplier.java,v 12.7 2008/01/08 20:58:30 bostic Exp $ 7 */ 8 9package collections.ship.marshal; 10 11import java.io.Serializable; 12 13import com.sleepycat.bind.tuple.TupleInput; 14import com.sleepycat.bind.tuple.TupleOutput; 15 16/** 17 * A Supplier represents the combined key/data pair for a supplier entity. 18 * 19 * <p> In this sample, Supplier is bound to the stored key/data entry by 20 * implementing the MarshalledEnt interface, which is called by {@link 21 * SampleViews.MarshalledEntityBinding}. </p> 22 * 23 * <p> The binding is "tricky" in that it uses this class for both the stored 24 * data entry and the combined entity object. To do this, the key field(s) are 25 * transient and are set by the binding after the data object has been 26 * deserialized. This avoids the use of a SupplierData class completely. </p> 27 * 28 * <p> Since this class is used directly for data storage, it must be 29 * Serializable. </p> 30 * 31 * @author Mark Hayes 32 */ 33public class Supplier implements Serializable, MarshalledEnt { 34 35 static final String CITY_KEY = "city"; 36 37 private transient String number; 38 private String name; 39 private int status; 40 private String city; 41 42 public Supplier(String number, String name, int status, String city) { 43 44 this.number = number; 45 this.name = name; 46 this.status = status; 47 this.city = city; 48 } 49 50 /** 51 * Set the transient key fields after deserializing. This method is only 52 * called by data bindings. 53 */ 54 void setKey(String number) { 55 56 this.number = number; 57 } 58 59 public final String getNumber() { 60 61 return number; 62 } 63 64 public final String getName() { 65 66 return name; 67 } 68 69 public final int getStatus() { 70 71 return status; 72 } 73 74 public final String getCity() { 75 76 return city; 77 } 78 79 public String toString() { 80 81 return "[Supplier: number=" + number + 82 " name=" + name + 83 " status=" + status + 84 " city=" + city + ']'; 85 } 86 87 // --- MarshalledEnt implementation --- 88 89 Supplier() { 90 91 // A no-argument constructor is necessary only to allow the binding to 92 // instantiate objects of this class. 93 } 94 95 public void unmarshalPrimaryKey(TupleInput keyInput) { 96 97 this.number = keyInput.readString(); 98 } 99 100 public void marshalPrimaryKey(TupleOutput keyOutput) { 101 102 keyOutput.writeString(this.number); 103 } 104 105 public boolean marshalSecondaryKey(String keyName, TupleOutput keyOutput) { 106 107 if (keyName.equals(CITY_KEY)) { 108 if (this.city != null) { 109 keyOutput.writeString(this.city); 110 return true; 111 } else { 112 return false; 113 } 114 } else { 115 throw new UnsupportedOperationException(keyName); 116 } 117 } 118} 119