inventorybinding.java

berkeley db 4.6.21的源码。berkeley db是一个简单的数据库管理系统

// File: InventoryBinding.java

package db.GettingStarted;

import com.sleepycat.bind.tuple.TupleBinding;
import com.sleepycat.bind.tuple.TupleInput;
import com.sleepycat.bind.tuple.TupleOutput;

public class InventoryBinding extends TupleBinding {

    // Implement this abstract method. Used to convert
    // a DatabaseEntry to an Inventory object.
    public Object entryToObject(TupleInput ti) {

        String sku = ti.readString();
        String itemName = ti.readString();
        String category = ti.readString();
        String vendor = ti.readString();
        int vendorInventory = ti.readInt();
        float vendorPrice = ti.readFloat();

        Inventory inventory = new Inventory();
        inventory.setSku(sku);
        inventory.setItemName(itemName);
        inventory.setCategory(category);
        inventory.setVendor(vendor);
        inventory.setVendorInventory(vendorInventory);
        inventory.setVendorPrice(vendorPrice);

        return inventory;
    }

    // Implement this abstract method. Used to convert a
    // Inventory object to a DatabaseEntry object.
    public void objectToEntry(Object object, TupleOutput to) {

        Inventory inventory = (Inventory)object;

        to.writeString(inventory.getSku());
        to.writeString(inventory.getItemName());
        to.writeString(inventory.getCategory());
        to.writeString(inventory.getVendor());
        to.writeInt(inventory.getVendorInventory());
        to.writeFloat(inventory.getVendorPrice());
    }
}