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fetchCharField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier char fetchCharField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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fetchByteField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier byte fetchByteField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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fetchFloatField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier float fetchFloatField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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fetchDoubleField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier double fetchDoubleField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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fetchLongField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier long fetchLongField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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fetchIntField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier int fetchIntField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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setGroups(fetchGroupNames)

Method javax.jdo.FetchPlan FetchPlan setGroups( Collection fetchGroupNames ) Set a collection of groups. Parameters: fetchGroupNames - a collection of names of fetch groups Returns: the FetchPlan Since: JDO 2.0
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setGroups(fetchGroupNames)

Method javax.jdo.FetchPlan FetchPlan setGroups( String... fetchGroupNames ) Set a collection of groups. Parameters: fetchGroupNames - a String array of names of fetch groups Returns: the FetchPlan Since: JDO 2.0
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PersistenceCapable.LOAD_REQUIRED

Static Field javax.jdo.spi.PersistenceCapable byte LOAD_REQUIRED If jdoFlags is set to LOAD_REQUIRED, then the fields in the default fetch group cannot be accessed for read or write without notifying the StateManager. Since: JDO 1.0
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PersistenceCapable.READ_WRITE_OK

Static Field javax.jdo.spi.PersistenceCapable byte READ_WRITE_OK If jdoFlags is set to READ_WRITE_OK, then the fields in the default fetch group can be accessed for read or write without notifying the StateManager. Since: JDO 1.0

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.

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