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  • Nhiberate, multiple tables, same class

    - by jeff
    It's been asked a million times, its like this. Say Invoice is the base class and InvoiceHistory is the class that simply inherits from Invoice. When I do something like invoiceList = session.CreateCriteria(typeof(Invoice)).List(); I get everything from Invoice (that I want, plus everything from InvoiceHistory). Do I need to have an InvoiceBase and create derived versions for Invoice and InvoiceHistory?

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  • activating the class need help.... :)

    - by asm_debuger
    this is my code... i dont anderstend way the class dont work... import java.awt.BorderLayout; import java.awt.Button; import java.awt.Color; import java.awt.GridLayout; import java.awt.Panel; public class Caldesinger { public Panel p1=new Panel(); public Button[] arr=new Button[20]; public String[] name = {"9","8","7","6","5","4","3","2","1","0","+","-","*","/",".","cos","sin","=","pow"}; public Caldesinger() { for (int i = 0; i < arr.length; i++) { this.arr[i]=new Button(""+name[i]); } } public Panel getP1() { return p1; } public void setP1(Panel p1) { this.p1 = p1; } public Button[] getArr() { return arr; } public void setArr(Button[] arr) { this.arr = arr; } public Object c() { this.p1.setLayout(new GridLayout(4,15)); for (int i = 0; i < arr.length; i++) { arr[i].setBackground(Color.LIGHT_GRAY); arr[i].setForeground(Color.orange); p1.add(arr[i]); } this.p1.setLayout(new GridLayout(4,15)); return this; } } the class desinge the applet this is the main: import java.applet.Applet; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class Mainapp extends Applet implements ActionListener { Caldesinger desinge=new Caldesinger (); public void init() { this.setLayout(new BorderLayout()); this.desinge.c(); } public void ActionPerformed(ActionEvent arg0) { for (int i = 0; i <20; i++) { if(arg0.getSource()== this.desinge.arr[i]); } } } way the method c does not work? the method desinge the applet

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  • Constructors from extended class in Java

    - by Crystal
    I'm having some trouble with a hw assignment. In one assignment, we had to create a Person class. Mine was: public class Person { String firstName; String lastName; String telephone; String email; public Person() { firstName = ""; lastName = ""; telephone = ""; email = ""; } public Person(String firstName) { this.firstName = firstName; } public Person(String firstName, String lastName, String telephone, String email) { this.firstName = firstName; this.lastName = lastName; this.telephone = telephone; this.email = email; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getTelephone() { return telephone; } public void setTelephone(String telephone) { this.telephone = telephone; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public boolean equals(Object otherObject) { // a quick test to see if the objects are identical if (this == otherObject) { return true; } // must return false if the explicit parameter is null if (otherObject == null) { return false; } if (!(otherObject instanceof Person)) { return false; } Person other = (Person) otherObject; return firstName.equals(other.firstName) && lastName.equals(other.lastName) && telephone.equals(other.telephone) && email.equals(other.email); } public int hashCode() { return 7 * firstName.hashCode() + 11 * lastName.hashCode() + 13 * telephone.hashCode() + 15 * email.hashCode(); } public String toString() { return getClass().getName() + "[firstName = " + firstName + '\n' + "lastName = " + lastName + '\n' + "telephone = " + telephone + '\n' + "email = " + email + "]"; } } Now we have to extend that class and use that class in our constructor. The function protoype is: public CarLoan(Person client, double vehiclePrice, double downPayment, double salesTax, double interestRate, CAR_LOAN_TERMS length) I'm confused on how I use the Person constructor from the superclass. I cannot necessarily do super(client); in my constructor which is what the book did with some primitive types in their example. Not sure what the correct thing to do is... Any thoughts? Thanks!

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  • Getting an argument list for a class method

    - by Chris T
    What I'd like is for this class class Car { public function __construct(Engine $engine, Make $make, Model $model) { // stuff } } Get an array that has the types needed to construct this car (Engine, Make, Model) in the order they are needed for the constructor. I'm using this for a Dependency Injection-esque thing I'm making.

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  • how to pass vector objects from one class to another

    - by gnwillix
    I am trying to make a program that generates bids automatically, then pack them into a vector and send them to the auctioneer.The simulator class, the simulator can then pass the bids to the auctioneer.How do I implement this communication.I thinking of sending the all vector conatiner of bids to the simulator.Can anyone demostrate a better way of sening vector objects from one class to another.

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  • python 3 self class dict

    - by Jjang
    I am trying to create my own class of dictionary in python 3 which has a field of dict variable and setitem and getitem methods. Though, it doesnt work for some reason. Tried to look around but couldn't find the answer. class myDictionary: def __init(self): self.myDic={} def __setitem__(self, key, value): self.myDic[key]=value I'm getting: 'myDictionary' object has no attribute 'myDic' Any ideas? :)

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  • autoreferencing this class to use in another for c++

    - by atomsfat
    in java we can do this: public class A{ public static void main(String...str){ B b = new B(); b.doSomething(this); //How I do this in c++ ? the this self reference } } public class B{ public void doSomething(A a){ //Importat stuff happen here } } How can I do the same but in c++, I mean the self reference of A to use the method in B ?

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  • C++ not recognizing my class

    - by rlb.usa
    I keep getting class undefined error from Visual Studio with my C++ code. My file looks like this: namespace myProject; scope myProject{ class FreeFormWindowsWidgetWindow : public WindowsWidget{ // shell } } But when I put FreeFormWindowsWidgetWindow in the same file as my other classes, it sees it. It doesn't seem to see anything in this file. How can I fix it and keep FreeFormWidgetWindow in its own file?

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  • Haskell: list of elements with class restriction

    - by user1760586
    here's my question: this works perfectly: type Asdf = [Integer] type ListOfAsdf = [Asdf] Now I want to do the same but with the Integral class restriction: type Asdf2 a = (Integral a) => [a] type ListOfAsdf2 = (Integral a) => [Asdf2 a] I got this error: Illegal polymorphic or qualified type: Asdf2 a Perhaps you intended to use -XImpredicativeTypes In the type synonym declaration for `ListOfAsdf2' I have tried a lot of things but I am still not able to create a type with a class restriction as described above. Thanks in advance!!! =) Dak

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  • C++ standard thread class?

    - by srikfreak
    I have come across many ad hoc implementations of thread class in C++, but why is there no standard library thread class like the one in Java? The one that I generally use in C++ is http://www.linuxdocs.org/HOWTOs/C++Programming-HOWTO-24.html

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  • Limited-length string class

    - by wood_brian
    Is there a limited-length string class around? I've searched a little on the net and didn't find anything. I'm interested in a class that limits (possibly at compile time) the length to 255, so marshalling the string's length only requires one byte.

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  • Dynamic class annotation

    - by jlanza
    Hi, I want to annotate a class dynamically to make it the more generic as possible: public class Test<T> { @XmlAttribute(name = dynamicvalue) T[] data; public Test(String dynamicvalue) { } } Is there any way to achieve something like this. TA

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  • Improving WIF&rsquo;s Claims-based Authorization - Part 3 (Usage)

    - by Your DisplayName here!
    In the previous posts I showed off some of the additions I made to WIF’s authorization infrastructure. I now want to show some samples how I actually use these extensions. The following code snippets are from Thinktecture.IdentityServer on Codeplex. The following shows the MVC attribute on the WS-Federation controller: [ClaimsAuthorize(Constants.Actions.Issue, Constants.Resources.WSFederation)] public class WSFederationController : Controller or… [ClaimsAuthorize(Constants.Actions.Administration, Constants.Resources.RelyingParty)] public class RelyingPartiesAdminController : Controller In other places I used the imperative approach (e.g. the WRAP endpoint): if (!ClaimsAuthorize.CheckAccess(principal, Constants.Actions.Issue, Constants.Resources.WRAP)) {     Tracing.Error("User not authorized");     return new UnauthorizedResult("WRAP", true); } For the WCF WS-Trust endpoints I decided to use the per-request approach since the SOAP actions are well defined here. The corresponding authorization manager roughly looks like this: public class AuthorizationManager : ClaimsAuthorizationManager {     public override bool CheckAccess(AuthorizationContext context)     {         var action = context.Action.First();         var id = context.Principal.Identities.First();         // if application authorization request         if (action.ClaimType.Equals(ClaimsAuthorize.ActionType))         {             return AuthorizeCore(action, context.Resource, context.Principal.Identity as IClaimsIdentity);         }         // if ws-trust issue request         if (action.Value.Equals(WSTrust13Constants.Actions.Issue))         {             return AuthorizeTokenIssuance(new Collection<Claim> { new Claim(ClaimsAuthorize.ResourceType, Constants.Resources.WSTrust) }, id);         }         return base.CheckAccess(context);     } } You see that it is really easy now to distinguish between per-request and application authorization which makes the overall design much easier. HTH

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