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6

Strings in JPQL and Criteria Queries

parameters - when string values are assigned as arguments. as path expressions - in navigation ... for a match (usually a path expression) and the right operand is always the pattern (usually a parameter or ... and parameter expressions: Expression<String> path = country.get("name"); Expression<String
6

javax.persistence.criteria.SetJoin

cannot be changed or reassigned. Returns the same selection item. Parameters: name - alias Returns ... : may result in a runtime failure. Parameters: type - intended type of the expression Returns: new ... an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns
6

javax.persistence.criteria.Join

cannot be changed or reassigned. Returns the same selection item. Parameters: name - alias Returns ... : may result in a runtime failure. Parameters: type - intended type of the expression Returns: new ... an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns
6

javax.persistence.criteria.PluralJoin

. Parameters: name - alias Returns: selection item Since: JPA 2.0 Expression<X> as(Class<X> type ... : the runtime type is not changed. Warning: may result in a runtime failure. Parameters: type - intended type ... to the specified attribute using an inner join. Parameters: attributeName - name of the attribute
6

javax.persistence.criteria.ListJoin

, an alias cannot be changed or reassigned. Returns the same selection item. Parameters: name - alias Returns ... : may result in a runtime failure. Parameters: type - intended type of the expression Returns: new ... an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns
6

javax.persistence.criteria.From

. Returns the same selection item. Parameters: name - alias Returns: selection item Since: JPA 2.0 ... . Parameters: type - intended type of the expression Returns: new expression of the given type ... an inner join. Create a fetch join to the specified attribute using an inner join. Parameters
6

javax.persistence.criteria.CollectionJoin

. Parameters: name - alias Returns: selection item Since: JPA 2.0 Expression<X> as(Class<X> type) Perform ... is not changed. Warning: may result in a runtime failure. Parameters: type - intended type ... to the specified attribute using an inner join. Parameters: attributeName - name of the attribute
6

javax.persistence.criteria.Root

selection item. Parameters: name - alias Returns: selection item Since: JPA 2.0 Expression<X> as ... conversion: the runtime type is not changed. Warning: may result in a runtime failure. Parameters: type ... . Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name
0

[ODB1] Chapter 8 - ObjectDB Server

the –conf command line parameter to specify the location of your server configuration file, as shown ... the –conf command line parameter, because ObjectDB will automatically look for a server/server.xml file if the –conf parameter is not used. Also, if you do not use the –conf parameter and do not create
0

javax.jdo.datastore.DataStoreCache

void evict(Object oid) Evict the parameter instance from the second-level cache. Evict the parameter instance from the second-level cache. Parameters: oid - the object id of the instance to evict. Since: JDO 2.0 void evictAll() Evict the parameter instances from the second-level cache. Evict

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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