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58

SELECT clause (JPQL / Criteria API)

classes and result constructor expressions. Result Classes (Constructor Expressions) JPA supports ... must have a compatible constructor that matches the SELECT result expressions, as follows: package ... .getResultList(); Any class with a compatible constructor can be used as a result class. It could be a JPA
3

LongIdentity(pcClass, str)

Constructor javax.jdo.identity.LongIdentity LongIdentity( Class pcClass, String str ) Constructor with class and key. Parameters: pcClass - the class str - the key Since: JDO 1.0
3

ShortIdentity(pcClass, str)

Constructor javax.jdo.identity.ShortIdentity ShortIdentity( Class pcClass, String str ) Constructor with class and key. Parameters: pcClass - the class str - the key Since: JDO 1.0
3

LongIdentity(pcClass, key)

Constructor javax.jdo.identity.LongIdentity LongIdentity( Class pcClass, Long key ) Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0
3

ShortIdentity(pcClass, key)

Constructor javax.jdo.identity.ShortIdentity ShortIdentity( Class pcClass, Short key ) Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0
3

JDOPermission(name, actions)

Constructor javax.jdo.spi.JDOPermission JDOPermission( String name, String actions ) Constructs a JDOPermission with the specified name and actions. The actions should be null; they are ignored. This constructor exists for use by the Policy object to instantiate new Permission objects. Parameters
3

ByteIdentity()

Constructor javax.jdo.identity.ByteIdentity ByteIdentity() Constructor only for Externalizable. Since: JDO 1.0
3

ByteIdentity(pcClass, str)

Constructor javax.jdo.identity.ByteIdentity ByteIdentity( Class pcClass, String str ) Constructor with class and key. Parameters: pcClass - the target class str - the key Since: JDO 1.0
3

ByteIdentity(pcClass, key)

Constructor javax.jdo.identity.ByteIdentity ByteIdentity( Class pcClass, Byte key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0
3

IntIdentity()

Constructor javax.jdo.identity.IntIdentity IntIdentity() Constructor only for Externalizable. 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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