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The plist editor is simple to use and will allow you to easily do the vast majority of work required to create the settings for your program. You can cut and paste the existing four preferences (noted by checkmarks in table 16.3) to reorder them or create new instances of the four existing preference types. Then you fill in their data to create preferences that look exactly like you want. For any setting, the Type string always describes which sort of preference you re setting. Other settings define what you can change. For example, to change the text that appears in a PSGroupSpecifier, you adjust the Title string inside the PSGroupSpecifier dictionary. Changing the PSSliderSpecifier, PSTextFieldSpecifier, and PSToggleSwitchSpecifier are equally easy. The only thing to note on those is the Key string, which sets the name of the preference s variable. You ll need that name when you want to look it up from inside your program (a topic we ll return to).

Filter by Order State/ Select the Sales Order entity and then the Bill To Address entity. Province. From the Fields list drag the State Province field under the Customer Type filter. Bob s territory is the state of Washington, so choose Washington from the drop-down list. continued on next page

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The transactionSystemUsage() pointcut captures all execution join points in a TransactionSystem object. It collects the object itself as the context. The accountTransactions() pointcut captures execution of credit() and debit() methods in the Account class. It collects the account and the amount involved as the context. The wormhole() pointcut creates a wormhole between the transaction system operations and the account operation by capturing all join points that match accountTransactions() that occur in the control flow of transactionSystemUsage(). The pointcut also makes available the context captured by the constituent pointcuts. The advice on the wormhole() pointcut can now use the context. The advice knows not only the account and the amount but also the transaction system responsible for causing the account activity. If this information is logged, perhaps to a database, it can be used to generate monthly statements showing ATMs accessed by customer for each transaction.

var query = from Book book in SampleData.Books where book.Price < 30 orderby book.Title select book.Title;

Listing 10.7 shows how the upper-right figure was drawn. The other figures are created by changing the boolean values for the methods setIsolated() and setKnockout().

Title = (string)attributes.Element(ns + "Title"), Publisher = (existingPublisher new Publisher { ID = Guid.Empty, Name = (string)attributes.Element(ns + "Publisher") } ), PubDate = (DateTime)attributes.Element(ns + "PublicationDate"), Price = ParsePrice(attributes.Element(ns + "ListPrice")) };

Even simple things, such as primary key generation strategies, usually aren t portable across all database systems. In the next chapter, we discuss a special identifier generator called native, which is a built-in smart primary key generator. On Oracle, it uses a database sequence to generate primary key values for rows in a table; on IBM DB2, it uses a special identity primary key column by default. This is how you map it in XML:

TreeNode albumNode = new TreeNode(baseName, new TreeNode[] { new TreeNode("child") });

7.2 Assigning and determining EJB client security roles 7.3 Passing client credentials to the EJB container 7.4 Disabling methods for certain users

that looks at two CalendarEvent objects and says whether one should appear before the other, and pass that code into the Sort method (see Example 7-15).

nate ignores changes to any of the other categories in the hierarchy (Computer, Electronics). It doesn t cascade the call to Save() to entities referred to by this association. If you d enabled cascade="save-update" on the <many-to-one> mapping of ParentCategory, NHibernate would have had to navigate the whole graph of objects in memory, synchronizing all instances with the database. This process would perform badly, because a lot of useless data access would be required. In this case, you neither needed nor wanted transitive persistence for the ParentCategory association.

Internally, the new RedirectToAction method lives on the generated partial controller class. The Index method in listing 21.10 records the controller and action name, allowing the generated RedirectToAction method to build the correct ActionResult. All of this is behind the scenes, and our existing controllers can start using the new generated overloads to generate ActionResult objects. In our views, we ll use some generated HtmlHelper extension methods for generating action links and URLs. Listing 21.11 shows our modified logon partial.

Let s examine the newly added GetDeals method. Notice how you import the System.Collection.Generic namespace at the top. You do this because you d like to use Generics (a .NET 2.0 feature that is similar to templates in C++) in the return type as opposed to a normal array. On the client side, this doesn t matter, because it s serialized into an array anyway. On the server side, however, Generics provides an easy way to manage typesafe lists.

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