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26

setMaxResults(maxResult)

Method javax.persistence.Query Query setMaxResults( int maxResult ) Set the maximum number of results to retrieve. Parameters: maxResult - maximum number of results to retrieve Returns: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 1.0
26

NamedQuery.query

Annotation Element javax.persistence.NamedQuery String query (Required) The query string in the Java Persistence query language. Since: JPA 1.0
26

setFirstResult(startPosition)

Method javax.persistence.Query Query 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 1.0
26

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
26

getHints()

Method javax.persistence.Query Map<String,Object> getHints() Get the properties and hints and associated values that are in effect for the query instance. Returns: query properties and hints Since: JPA 2.0
2

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 ... and the remaining 30 results are ignored. An implementation should execute the query such that the range algorithm
2

Query.name

Annotation Element javax.jdo.annotations.Query String name Name of the query (mandatory) Returns: the name of the query Since: JDO 2.1
2

Query.language

Annotation Element javax.jdo.annotations.Query String language The query language Returns: the query language Default value: "JDOQL" Since: JDO 2.1
2

compile()

Method javax.jdo.Query void compile() Verify the elements of the query and provide a hint to the query to prepare and optimize an execution plan. Since: JDO 1.0
2

setClass(cls)

Method javax.jdo.Query void setClass( Class cls ) Set the class of the candidate instances of the query. The class specifies the class of the candidates of the query. Elements of the candidate collection that are of the specified class are filtered before being put into the result Collection

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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