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8

SSL Configuration

machine as long as a valid username and password are provided. If authenticating the client machine by
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javax.persistence.criteria.CriteriaBuilder

item Since: JPA 2.0 Expression<Long> count( Expression<?> x) Create an aggregate expression applying ... Expression<Long> countDistinct( Expression<?> x) Create an aggregate expression applying the count ... operation Returns: sum expression Since: JPA 2.0 Expression<Long> sumAsLong( Expression<Integer> x
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Step 4: Add a Servlet Class

"}) public class GuestServlet extends HttpServlet { private static final long serialVersionUID = 1L
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Step 4: Add a Servlet Class

final long serialVersionUID = 1L; // Injected DAO EJB: @EJB GuestDao guestDao
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Step 4: Add a Servlet Class

{ private static final long serialVersionUID = 1L; @Override protected void doGet
0

[ODB1] Chapter 1 - About ObjectDB

mode as long as the database and the web server are on the same machine. Because embedded database
0

javax.jdo.Query

. Parameters: variables - the variables separated by semicolons. Since: JDO 1.0 long deletePersistentAll ... that were deleted Since: JDO 2.0 long deletePersistentAll(Map parameters) Deletes all the instances ... that were deleted Since: JDO 2.0 See Also: deletePersistentAll() long deletePersistentAll(Object
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javax.jdo.spi.StateManager

long getLongField( PersistenceCapable pc, int field, long currentValue) Return the value ... - the current value of the field Since: JDO 1.0 void providedLongField( PersistenceCapable pc, int field, long ... Returns: the new value for the field Since: JDO 1.0 long replacingLongField( PersistenceCapable pc, int
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javax.jdo.datastore.Sequence

JDODataStoreException. Returns: the current value Since: JDO 2.0 long currentValue() Returns the current sequence value as a long. Returns the current sequence value as a long. If the current sequence ... long nextValue() Returns the next sequence value as a long. Returns the next sequence value as a long
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javax.jdo.identity.LongIdentity

, Comparable This class is for identity with a single long field. Since: JDO 1.0 LongIdentity() Constructor ... pcClass, Long key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0 LongIdentity(Class pcClass, Long key) Constructor with class

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

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  2. Read the FAQ
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