Java2011-01-06
Get user input in Java
This Java program prompts the user to enter the name by using System.out.print() method to keep the cursor on the same line. Then using the System.in object, along with the Inputst
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Hibernate2011-01-01
Formula in Hibernate
Sometimes, you want the Database to do some computation for you rather than in the JVM, you might also create some kind of virtual column. You can use a SQL fragment (aka formula)
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Primary keys assigned by triggers in Hibernate
In the above example, there is a unique valued property named socialSecurityNumber. It is defined by the class, as a natural key and a surrogate key named person_id, whose value is
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Assigned identifiers in Hibernate
If you want the application to assign identifiers, as opposed to having Hibernate generate them, you can use the assigned generator. This special generator uses the identifier valu
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Identity columns and sequences in Hibernate
For databases that support identity columns (DB2, MySQL, Sybase, MS SQL), you can use identity key generation. For databases that support sequences (DB2, Oracle, PostgreSQL, Interb
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Hi/lo algorithm in Hibernate
The hilo and seqhilo generators provide two alternate implementations of the hi/lo algorithm. The first implementation requires a "special" database table to hold the next availabl
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Hibernate2011-01-01
EntityNameResolvers in Hibernate
org.hibernate.EntityNameResolver is a contract for resolving the entity name of a given entity instance. The interface defines a single method resolveEntityName which is passed the
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Tuplizers (org.hibernate.tuple.Tuplizer) in Hibernate
org.hibernate.tuple.Tuplizer and its sub-interfaces are responsible for managing a particular representation of a piece of data given that representation's org.hibernate.EntityMode
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equals() and hashCode() in Hibernate
Hibernate guarantees equivalence of persistent identity (database row) and Java identity only inside a particular session scope. When you mix instances retrieved in different sessi
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Fetching strategies in Hibernate
Hibernate uses a fetching strategy to retrieve associated objects if the application needs to navigate the association. Fetch strategies can be declared in the O/R mapping metadata
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Hibernate Transaction Properties
The table below lists the Hibernate Transaction Properties and their purpose. For easier understanding, and example is also provided for each property
Read tutorialHibernate2010-12-29
Hibernate Cache Properties
The table below lists the Hibernate Cache Properties and their purpose. For easier understanding, and example is also provided for each property.
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