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            <h2 class="title" style="clear: both"><a id="inventoryclass"></a>Inventory.class</h2>
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      <p>
                            Our example's <tt class="classname">Inventory</tt>
                            class is much like our <tt class="classname">Vendor</tt>
                            class in that it is simply used to encapsulate
                            data. However, in this case we want to be able
                            to access objects two different ways: by
                            product SKU and by product name.
                    </p>
      <p>
                        In our data set, the product SKU is required to be
                        unique, so we use that as the primary key. The
                        product name, however, is not a unique value so we
                        set this up as a secondary key.
                    </p>
      <p>
                         The class appears as follows in our example:
                    </p>
      <pre class="programlisting">package persist.gettingStarted;

import com.sleepycat.persist.model.Entity;
import com.sleepycat.persist.model.PrimaryKey;
import static com.sleepycat.persist.model.Relationship.*;
import com.sleepycat.persist.model.SecondaryKey;

@Entity
public class Inventory {

    // Primary key is sku
    @PrimaryKey
    private String sku;

    // Secondary key is the itemName
    @SecondaryKey(relate=MANY_TO_ONE)
    private String itemName;

    private String category;
    private String vendor;
    private int vendorInventory;
    private float vendorPrice;

    public void setSku(String data) {
        sku = data;
    }

    public void setItemName(String data) {
        itemName = data;
    }

    public void setCategory(String data) {
        category = data;
    }

    public void setVendorInventory(int data) {
        vendorInventory = data;
    }

    public void setVendor(String data) {
        vendor = data;
    }

    public void setVendorPrice(float data) {
        vendorPrice = data;
    }

    public String getSku() {
        return sku;
    }

    public String getItemName() {
        return itemName;
    }

    public String getCategory() {
        return category;
    }

    public int getVendorInventory() {
        return vendorInventory;
    }

    public String getVendor() {
        return vendor;
    }

    public float getVendorPrice() {
        return vendorPrice;
    }
} </pre>
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