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2

getMaxResults()

Method javax.persistence.Query int getMaxResults() The maximum number of results the query object was set to retrieve. Returns Integer.MAX_VALUE if setMaxResults was not applied to the query object. Returns: maximum number of results Since: JPA 2.0
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javax.persistence.OrderColumn

javax.persistence Annotation OrderColumn Target: Fields (including property get methods) Specifies a column that is used to maintain the persistent order of a list. The persistence provider is responsible for maintaining the order upon retrieval and in the database. The persistence provider
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setFirstResult(startPosition)

Method javax.persistence.TypedQuery TypedQuery<X> setFirstResult( int startPosition ) Set the position of the first result to retrieve. Parameters: startPosition - position of the first result, numbered from 0 Returns: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 2.0
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javax.persistence.PessimisticLockException

cannot be called even once. Parameters: cause - the cause (which is saved for later retrieval by
0

initCause(cause)

(which is saved for later retrieval by the getCause() method). (A null value is permitted
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javax.jdo.JDOReadOnlyException

retrieval by the getCause() method). (A null value is permitted, and indicates that the cause
0

FetchPlan.fetchSize

Annotation Element javax.jdo.annotations.FetchPlan int fetchSize The number of instances of multi-valued fields retrieved by queries. Returns: the fetch size Default value: 0 Since: JDO 2.1
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javax.jdo.JDODetachedFieldAccessException

cannot be called even once. Parameters: cause - the cause (which is saved for later retrieval by
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javax.jdo.JDOFatalInternalException

(which is saved for later retrieval by the getCause() method). (A null value is permitted, and indicates
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javax.jdo.FetchPlan

javax.jdo Interface FetchPlan Fetch groups are activated using methods on this interface. An instance of this interface can be obtained from PersistenceManager.getFetchPlan, Extent.getFetchPlan, and Query.getFetchPlan. When a Query or Extent is retrieved from a PersistenceManager, its FetchPlan

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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