Hibernate

Paperback: 408 pagesPublisher: Manning Publications; 1 edition (August 1, 2004)Language: EnglishISBN-10: 193239415X Hibernate practically exploded on the Java scene. Why is this open-source tool so popular? Because it automates a tedious task: persisting your Java objects to a relational database. The inevitable mismatch between your object-oriented code and the relational database requires you to

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Hey your Windows XP has a very good but hidden feature !Trick Advantage :You can leave your work in between and shutdown the PC and resume it next time as it is !Even I switched off my PC while writing this article and when I reopened it I resumed my article from where i left !When you want to stop your work and shutdown(Keeping your programs open)Do The Following :1. Click start>Turn Off Computer

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Q) What are the most common methods of Hibernate configuration? A) The most common methods of Hibernate configuration are: * Programmatic configuration * XML configuration (hibernate.cfg.xml) Q) What are the important tags of hibernate.cfg.xml? A) An Action Class is an adapter between the contents of an incoming HTTP rest and the corresponding business logic that should be executed to process [..

Q) What is Hibernate? A) Hibernate is a powerful, high performance object/relational persistence and query service. This lets the users to develop persistent classes following object-oriented principles such as association, inheritance, polymorphism, composition, and collections. Q) What is ORM? A) ORM stands for Object/Relational mapping. It is the programmed and translucent perseverance of objec

Pastikan Hibernate pada Laptop anda telah aktif, dengan cara : Start –> Setting –> Control Panel –> Display –> Screen Saver –> Power –> Hibernate, kemudian cek Enable Hibernation. Untuk melakukan hibernate bisa dilakukan dengan beberapa cara, antara lain : Klik tombol start –> Turn Off Computers, kemudian tekan tombol Shift mak

Whenever you want to logoff, shut down or reboot your Windows XP machine you have only 3 choices(1) Standby ONLY IF the ACPI/APM function is properly enabled BOTH in your motherboard's BIOS AND in WinXP!(2) Restart(3) Shutdown.To properly enable Hibernation in WinXP:Start button -> Control Panel -> Power Options -> Hibernate tab -> check Enable hibernate support box -> Apply/OK -> reboot.NOTE: If

Ability to hibernate is enabled by default on every Windows Vista installation. If you have disable and turn off hibernation feature, accidentally delete hiberfil.sys using Hibernation File Cleaner of Disk Cleanup tool, or you just simply cannot and unable to find the Hibernate button to put the computer into hibernation state, you can re-enable or try to enable and turn on the hibernation functio

Putting your PC into Standby conserves power without shutting down your computer, but if there’s a power outage, any open programs and unsaved work will be lost. Using Hibernation tackles this issue by fi rst taking a snapshot of your desktop and sav-ing it to your hard drive before powering down, but Microsoft neglected to include a Hibernate button in the shut-down dialog box. To fi x this,

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I Have explained to him that when you switch to using Vista you may experience the Hibernate option is not available in the Start menu power options menu or the Hibernate option is not available in the Shut Down Windows dialog box. The possible causes are the Disk Cleanup Utility and has been used to delete the Hibernation File Cleaner, the computer does not support the hibernation feature, the hi

If you thought you were safe and bug free after downloading Windows Vista Sp1, you’d better think otherwise. As a matter of fact many users are reporting scattered issues on their computer due to Windows Vista Service Pack. One of the most irritating one is the computer being unable to go into hibernation mode. For [...]

My friend bought a brand new PC and installed it with Microsoft Vista. When he used his new PC with it's new operating system he is surprised that the Hibernate option that he always use when he still uses Windows XP is missing.I've explained to him that when you switch to using Vista you may experience the Hibernate option is not available in the Start menu power options menu or the Hibernate option is not available in the Shut Down Windows dialog box. The possible causes are the Disk Cleanup Utility and has been used to delete the Hibernation File Cleaner, the computer does not support the hibernation feature, the hibernation feature is disabled, or the Hybrid Sleep feature is enabled.My friend then stop and ask WTF! is Hibernate Sleep. OK here is the explanation, the Hybrid Sleep on Wi

It’s not uncommon to come across a patch for a software problem you’ve never heard of or thought was possible. In most cases they’re caused by an unconventional use-case or a bad combination of hardware/software configurations. Sometimes the symptoms are so exceptional it makes you ponder about who in the world would be affected by [...]

In Windows Vista, a problem may occur where the Hibernate option is grayed out. This could happen if your system doesn’t support the Hibernate feature, or doesn’t have enough hard drive space to save data during hibernation. Try these steps to enable the Hibernate option. 1. Click the Start orb and type command in the Start Search box. 2. Right-click Command Prompt in the Programs list, and click Run as administrator. 3. Click Continue on the UAC screen if it appears. 4.  Type powercfg /hibernate on and press Enter. You can then type Exit and press Enter to exit out of the command screen.

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For some reason, this isn't enabled by default.To be able to view the hibernate option, just press shift in the shutdown menu and Standby will be replaced by hibernate. To switch back to standby, release shift.More Cool Windows XP tips & tricks

With all the tweaking to get my Dell Vostro 1500 working with Ubuntu, it’s still been an annoyance to get sound working evertime after hibernation. It goes to sleep fine, it wakes up fine, it obeys all of the power preferences I defined within Gnome fine too, it’s just that when it comes out [...]

Welcome back to Part II about using Hibernate with Guice. If you just stepped in, i recommend first to read Part I here. Part II - Adding Guice to the Hibernate-Application This application uses Guice’s Dependency Injection to create the HibernateConnection-instance and the OrdersDAO-instance. You can see that HibernateUtil don’t need STATICs anymore. Access to HibernateUtil [...]

In this Blog you will see how to add Google-Guice functionality to a Hibernate-Application. In Part I i will introduce a simple Hibernate-Application. In Part II you can see how this Application will be transformed for using Guice. But first for these peoples who doesn’t know what is Guice, Guice is a new lightweight Java [...]

Windows Vista has changed the way its power management works. Now, when you put your PC in Sleep Mode, it will remain in the 'low power consumption' mode for about 3 hours before switching automatically to the Hibernate mode. If you find that the Hibernate Option is Missing, do this -

There can be three kinds of inheritance mapping in hibernate1. Table per concrete class with unions2. Table per class hierarchy3. Table per subclassExample:We can take an example of three Java classes like Vehicle, which is an abstract class and two subclasses of Vehicle as Car and UtilityVan.1. Table per concrete class with unionsIn this scenario there will be 2 tablesTables: Car, UtilityVan, here in this case all common attributes will be duplicated.2. Table per class hierarchySingle Table can be mapped to a class hierarchyThere will be only one table in database named 'Vehicle' which will represent all attributes required for all three classes.Here it is be taken care of that discriminating columns to differentiate between Car and UtilityVan3. Table per subclassSimply there will be three tables representing Vehicle, Car and UtilityVan

Hibernate for faster start If you turn-down computer when you’re not working on it, you will save the energy, but not the time. If you don’t want to wait until computer turns on, log on, … than you can use Hibernate function. However, you can’t “sleep” all computer like that. Windows 9x with Fat32, for example, [...]

Hey your Windows XP has a very good but hidden feature !Trick Advantage :You can leave your work in between and shutdown the PC and resume it next time as it is !Even I switched off my PC while writing this article and when I reopened it I resumed my article from where i left !When you want to stop your work and shutdown(Keeping your programs open)Do The Following :1. Click start>Turn Off Computer2. As the Turn Off menu comes up press 'Shift' and 'Stand By' changes to 'Hibernate'3. Click Hibernate (Shift Kept Pressed)Your xp will save the work and shutdown !Now, when you switch it on again it will resume it again !No loading of windows will take place and you will be resumed to your work as if you had just switched your monitor off and now on again !Its Amazing !

Hey your Windows XP has a very good but hidden feature !Trick Advantage :You can leave your work in between and shutdown the PC and resume it next time as it is !Even I switched off my PC while writing this article and when I reopened it I resumed my article from where i left !When you want to stop your work and shutdown(Keeping your programs open)Do The Following :1. Click start>Turn Off Computer2. As the Turn Off menu comes up press 'Shift' and 'Stand By' changes to 'Hibernate'3. Click Hibernate (Shift Kept Pressed)Your xp will save the work and shutdown !Now, when you switch it on again it will resume it again !No loading of windows will take place and you will be resumed to your work as if you had just switched your monitor off and now on again !Its Amazing !

You might have seen it before on someone else's laptop, and wondered how you can get down with the hibernation game. Why doesn't it show up by default on your shutdown screen?? Don't have hibernation envy!I'm referring to seeing 4 options to choose from on your Shut Down menu of Windows XP. After this hack the Hibernate option will stay there without the need to press the Shift key any more.Well- let's get to it:The first thing to do is get a hold of Microsoft's hotfix KB893056. MS wants you to call its customer support to get it, but instead- you can use this web-form to request it immediately.After we installed the hotfix, we need to make some small registry changes. Get it hereFor those of you working in a Workgroup environment and using the friendly "Welcome Screen" you need to run the Reg-file called: "1 AddToShutdown". If you use the classic logon screen you can also run the 2nd Reg-file to set Hibernate as the default action in the menu.When you're finished just restart t

Hey your Windows XP has a very good but hidden feature !Trick Advantage :You can leave your work in between and shutdown the PC and resume it next time as it is !Even I switched off my PC while writing this article and when I reopened it I resumed my article from where i left !When you want to stop your work and shutdown(Keeping your programs open)Do The Following :1. Click start>Turn Off Computer2. As the Turn Off menu comes up press 'Shift' and 'Stand By' changes to 'Hibernate'3. Click Hibernate (Shift Kept Pressed)Your xp will save the work and shutdown !Now, when you switch it on again it will resume it again !No loading of windows will take place and you will be resumed to your work as if you had just switched your monitor off and now on again !Its Amazing !

Если режим Hibernate в Windows Vista не используется, то его можно деактивировать, даже не заглядывая в дебри настроек операционной системы.

Hibernate is an ORM [Object-Relational Mapping] service used to develop persistent Java classes. On the back of NHibernate, it’s popularity has spread to the .NET space as well. This has proved of special interest in IT shops that are working toward interoperability strategies that leverage the skills of developers who can handle both .NET and Java problems. NHibernate is a port of Hibernate Core for Java to the .NET Framework. It handles persisting plain .NET objects to and from an underlying relational database. Given an XML description of your entities and relationships, NHibernate automatically generates SQL for loading and storing the objects. Optionally, you can describe your mapping metadata with attributes in your source code. NHibernate supports transparent persistence, your object classes don’t have to follow a restrictive programming model. Persistent classes do not need to implement any interface or inherit from a special base class. This makes it possible to d

Hibernate is an ORM [Object-Relational Mapping] service used to develop persistent Java classes. On the back of NHibernate, it’s popularity has spread to the .NET space as well. This has proved of special interest in IT shops that are working toward interoperability strategies that leverage the skills of developers who can handle both .NET and Java problems. NHibernate is a port of Hibernate Core for Java to the .NET Framework. It handles persisting plain .NET objects to and from an underlying relational database. Given an XML description of your entities and relationships, NHibernate automatically generates SQL for loading and storing the objects. Optionally, you can describe your mapping metadata with attributes in your source code. NHibernate supports transparent persistence, your object classes don’t have to follow a restrictive programming model. Persistent classes do not need to implement any interface or inherit from a special base class. This makes it possible to d

Q: "Mas, saya diberitahu teman bahwa ada fitur hibernate yang kata teman saya itu lebih bagus dari fitur standby. Saya menggunakan Windows XP SP2, dan saya sudah mencari ke mana-mana tetapi tidak menemukan di mana tombol hibernatenya, lantas tombol hibernatenya ada di mana sih? Saya mau coba membandingkannya dengan fasilitas Stand By.. Thx before...." Q: "My friend told me that on Windows XP SP2 have a feature named Hibernate, but I was confused, because I couldn't find the Hibernate button. Where is the hibernate button? My friend told me that hibernate is better than stand by, so after this I want to compare between hibernate and stand by, but how to running hibernate feature? thanks before..." A: Untuk menjalankan fitur hibernate ini, ada beberapa cara. Yang pertama bisa diakses melalui task manager. Tekan Ctrl + alt + delete untuk mejalankan task manager. Kemudian, di menu barnya ada menu Shut Down, nah, di situ kamu bisa menemukan fitur Hibernate. Selanjutnya ini a

Spring framework supports the following ORMs:   -Hibernate -TopLink -JDO -iBatis -JPA   and more..   With Hibernate,Spring can be integrated in following steps:   -Wire with datasource -Declaring Hibernate properties -Tell Spring about the Hibernate Mapping files.  

Hibernate and straight SQL through JDBC are different approaches.They both have their specific significance in different scenarios.If your application is not to big and complex,not too many tables and queries involved then it will be better to use JDBC. While Hibernate is a POJO based ORM tool,using JDBC underneath to connect to database, which lets one to get rid of writing SQLs and associated JDBC code to fetch resultset,meaning less LOC but more of configuration work.It will suit better when you have large application involving large volume of data and queries.Moreover lazy loading,caching of data helps in having better performance and you need not call the database every time rather data stays in object form which can be reused.

What is Hibernate?Why Hibernate?What is ORM?What are core interfaces of Hibernate Framework?What is dirty checking in Hibernate?What are different fetch strategies Hibernate have?Can you compare JDBC/DAO with Hibernate?More Hibernate Questions

A fetching strategy in Hibernate is used for retrieving associated objects if the application needs to navigate the association. They may be declared in the O/R mapping metadata, or over-ridden by a particular HQL or Criteria query. Hibernate3 defines the following fetching strategies:Join fetching - Hibernate retrieves the associated instance or collection in the same SELECT, using an OUTER JOIN. Select fetching - a second SELECT is used to retrieve the associated entity or collection. Unless you explicitly disable lazy fetching by specifying lazy="false", this second select will only be executed when you actually access the association. Subselect fetching - a second SELECT is used to retrieve the associated collections for all entities retrieved in a previous query or fetch. Unless you explicitly

make money online To quickly put your PC into hibernation mode, you can create a shortcut icon on the desktop. Right click on the desktop, select new and then shortcut. In the text box type "rundll32.exe PowrProf.dll SetSuspendState." Click the next button and type in the name for this shortcut icon and then click the finish button. Don't forget to change the generic icon image to reflect the shortcut's function. Right-click on the icon, choose Property and click the Change Icon button. Choose the icon that you like and press save. If the shortcut doesn't work, you probably need to enable the PC's hibernation function. To do so, go to the Control Panel. Find and double click on Power options. Click on the hibernate tab, tick the Enable Hibernate checkbox and click the apply button.SAVE ENERGY BY USING HIBERNATION -SAVE OUR NATURE make money online

Hibernate automatically detects object state changes in order to synchronize the updated state with the database, this is called dirty checking. An important note here is, Hibernate will compare objects by value, except for Collections, which are compared by identity. For this reason you should return exactly the same collection instance as Hibernate passed to the setter method to prevent unnecessary database updates.

Most Hibernate-related application code primarily interacts with four interfaces provided by Hibernate Core:org.hibernate.Sessionorg.hibernate.SessionFactoryorg.hibernate.Criteriaorg.hibernate.QueryThe Session is a persistence manager that manages operation like storing and retrieving objects. Instances of Session are inexpensive to create and destroy. They are not thread safe.The application obtains Session instances from a SessionFactory. SessionFactory instances are not lightweight and typically one instance is created for the whole application. If the application accesses multiple databases, it needs one per database.The Criteria provides a provision for conditional search over the resultset.One can retrieve entities by composing Criterion objects. The Session is a factory for Criteria.Criterion instances are usually obtained via the factory methods on Restrictions.Query represents object oriented representation of a Hibernate query. A Query instance is

Question: What are common mechanisms of configuring Hibernate?Answer: 1. By placing hibernate.properties file in the classpath.2. Including elements in hibernate.cfg.xml in the classpath. Question:How can you create a primary key using Hibernate?Answer: The 'id' tag in .hbm file corresponds to primary key of the table:Here Id ="empid", that will act as primary key of the table "EMPLOYEE".Question: In how many ways one can map files to be configured in Hibernate?Answer: 1. Either mapping files are added to configuration in the application code or,2.hibernate.cfg.xml can be used for configuring in . Question: How to set Hibernate to log all generated SQL to the console?Answer: By setting the hibernate.show_sql property to true. Question: What happens when both hibernate.properties and hibernate.cfg.xml are in the classpath?Answer: The settings of the XML configuration file will override the settings used in the properties. Question: What methods must the persistent classes impleme

The reasons are plenty,weighing in favor of Hibernate clearly. -Cost effective.Just imagine when you are using EJBs instead of Hibernate.One has to invest in Application Server(Websphere,Weblogic etc.),learning curve for EJB is slow and requires special training if your developers are not equipped with the EJB know-how. -The developers get rid of writing complex SQLs and no more need of JDBC APIs for resultset handling.Even less code than JDBC.In fact the OO developers work well when they have to deal with object then writing lousy queries. -High performance then EJBs(if we go by their industry reputation),which itself a container managed,heavyweight solution. -Switching to other SQL database requires few changes in Hibernate configuration file and requires least clutter than EJBs. -EJB itself has modeled itself on Hibernate principle in its latest version i.e. EJB3 because of apparent reasons.

Hibernate is a powerful, high performance object/relational persistence and query service.It is an open-source technology which fits well both with Java and .NET technologies.Hibernate lets developers write persistence classes with hibernate query features of HQL within principles of Object Oriented paradigm.It means one can include association,inheritance,polymorphism,composition and collection of these persisting objects to build applications. Hibernate ArchitectureThe main objective of Hibernate is to relieve the developers from manual handling of SQLs,JDBC APIs for resultsets handling and it helps in keeping your data portable to various SQL databases,just by switching the delegate and driver details in hibernate.cfg.xml file. Hibernate offers sophisticated query options, you can write plain SQL, object-oriented HQL (Hibernate Query Language), or create programmatic criteria and example queries. Hibernate can optimize object loading all the time, with various fetching and caching

One of the small but important changes in Windows Vista is the redesign of the Shut Down Start Menu options. Even if some people might have a different opinion, we think this design option is not very inspired. Compared to Windows XP it is more difficult to understand the options available and you need to take additional steps in order to shut down your computer or to put it into hibernate mode. This is why we decided to create separate shortcuts for each option which you can easily place on your desktop. read more

Book Description Beginning Hibernate is ideal if you're experienced in Java with databases (the traditional, or "connected," approach), but are new to open source lightweight Hibernate--the most popular de facto object-relational mapping and database-oriented application development framework. This book packs in brand new information about the latest release of the Hibernate 3.2.x persistence

In the recent versions of Hibernate, a new, more elegant approach (other than traditional database mappings that are defined in a set of XML mapping files) has emerged, based on Java 5 annotations. Using the new Hibernate Annotations library, you can dispense once and for all with your old mapping files--everything is defined as, you guessed it--annotations directly embedded in the Java classes. read more...

For some reason, Hibernate isn't available from the default Shut Down dialog. But you can enable it simply enough, by holding down the SHIFT key while the dialog is visible. Now you see it, now you don't!