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2

getFetches()

Method javax.persistence.criteria.FetchParent Set<Fetch<X,?>> getFetches() Return the fetch joins that have been made from this type. Returns empty set if no fetch joins have been made from this type. Modifications to the set do not affect the query. Returns: fetch joins made from this type Since: JPA 2.0
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javax.persistence.OneToMany

// In Customer class: @OneToMany(cascade=ALL, mappedBy="customer") public Set ... .class, cascade=ALL, mappedBy="customer") public Set getOrders() { return orders ... ) @JoinColumn(name="CUST_ID") // join column is in table for Order public Set getOrders
0

getIgnoreCache()

Method javax.jdo.PersistenceManager boolean getIgnoreCache() Get the ignoreCache setting for queries. IgnoreCache set to true specifies that for all Query instances created by this PersistenceManager, the default is the cache should be ignored for queries. Returns: the ignoreCache setting. Since: JDO 1.0
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setRange(fromInclToExcl)

Method javax.jdo.Query void setRange( String fromInclToExcl ) Set the range of results to return. The parameter is a String containing a comma-separated fromIncl and toExcl. The fromIncl and toExcl ... 100 instances, and fromIncl is set to 50, and toExcl is set to 70, then the first 50 results
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setRetainValues(flag)

Method javax.jdo.PersistenceManagerFactory void setRetainValues( boolean flag ) Set the default RetainValues setting for all PersistenceManager instances obtained from this factory. Parameters: flag - the default RetainValues setting. Since: JDO 1.0
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setRange(fromIncl, toExcl)

Method javax.jdo.Query void setRange( long fromIncl, long toExcl ) Set the range of results to return. The execution of the query is modified to return only a subset of results. If the filter would normally return 100 instances, and fromIncl is set to 50, and toExcl is set to 70, then the first 50
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javax.jdo.spi.JDOPermission

This allows setting the StateManager for an instance of PersistenceCapable. The StateManager has unlimited access to get and set persistent and transactional fields of the PersistenceCapable instance ... for manageMetadata permission checking. Since: JDO 1.0.2 JDOPermission SET_STATE_MANAGER An instance
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setOptimistic(flag)

Method javax.jdo.PersistenceManagerFactory void setOptimistic( boolean flag ) Set the default Optimistic setting for all PersistenceManager instances obtained from this factory. Parameters: flag - the default Optimistic setting. Since: JDO 1.0
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setFilter(filter)

Method javax.jdo.Query void setFilter( String filter ) Set the filter for the query. The filter ... for the evaluation of the current set of variable values. Other values for variables might still qualify the candidate instance for inclusion in the result set. Navigation through multi-valued fields
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setNontransactionalWrite(flag)

Method javax.jdo.PersistenceManagerFactory void setNontransactionalWrite( boolean flag ) Set the default NontransactionalWrite setting for all PersistenceManager instances obtained from this factory. Parameters: flag - the default NontransactionalWrite setting. 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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