ObjectDB ObjectDB

Internal Website Search

11-20 of 113 resultsRefresh
20

Database Schema Evolution

to any numeric type. In this context numeric types are: byte, short, char, int, long, float, double, Byte, Short, Character, Integer, Long, Float, Double, BigInteger, BigDecimal and enum values
20

Comparison in JPQL and Criteria API

for values of the following data types: Values of numeric types, including primitive types (byte, short, char, int, long, float, double), wrapper types (Byte, Short, Character, Integer, Long, Float
20

JPA Primary Key

: boolean, byte, short, char, int, long, float, double. Equivalent wrapper classes from package java.lang: Byte, Short, Character, Integer, Long, Float, Double. java.math.BigInteger, java.math.BigDecimal
14

Numbers in JPQL and Criteria Queries

, but all the numeric types (byte, short, int, long, float, double, BigInteger, BigDecimal) are supported. Unary
14

JPA / JDO Class Enhancer

ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code of compiled classes after compilation. Enhancement is mainly for user-defined persistable classes (entity classes, embeddable classes and mapped superclasses), and is usually optional
2

[ODB1] Chapter 4 - JDO Metadata

shown above) can have any of the following types: embedded value types: primitive type (boolean, byte, short, char, int, long, float or double) embedded wrapper (Boolean, Byte, Short, Character
1

[ODB1] Chapter 2 - A Quick Tour

, where necessary, at the byte code level. When this process is completed the real main is called (line 11
1

javax.jdo.spi.PersistenceCapable

'. Since: JDO 1.0 byte CHECK_READ If jdoFieldFlags for a field includes CHECK_READ, then the field ... to call the jdoStateManager on read if the jdoFlags setting is not READ_OK or READ_WRITE_OK. Since: JDO 1.0 byte ... if the jdoFlags setting is not READ_WRITE_OK;. Since: JDO 1.0 byte LOAD_REQUIRED If jdoFlags is set
1

javax.jdo.spi.StateManager

Since: JDO 1.0 byte getByteField( PersistenceCapable pc, int field, byte currentValue) Return ... , byte currentValue) The value of the field requested to be provided to the StateManager. The value ... byte replacingByteField( PersistenceCapable pc, int field) The replacement value of the field in
0

javax.jdo.identity.ByteIdentity

, Comparable This class is for identity with a single byte field. Since: JDO 1.0 ByteIdentity() Constructor ... pcClass, Byte key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0 ByteIdentity(Class pcClass, Byte key) Constructor

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?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support