Package org.apache.openjpa.persistence.criteria

OpenJPA Criteria Query

See: Description

Interface Summary

Interface	Description
AliasContext	The context holds named variables for nodes of CriteriaQuery.
ComparisonStyle	Defines a comparison style to be applied for query-by-example attribute comparison.
CriteriaExpression	Interface to support Visitor pattern and CQL conversion of Criteria Query nodes.
CriteriaExpressionVisitor	A visitor for Criteria Expression nodes.
OpenJPACriteriaBuilder	OpenJPA-specific extension to JPA 2.0 Criteria Query Builder API.
OpenJPACriteriaQuery<T>	OpenJPA-specific extension to JPA 2.0 Criteria Query API.

Class Summary

Class	Description
CompareByExample<T>	An expression for query-by-example.
ComparisonStyle.Default	Default implementation.
CompoundSelections	Implements selection terms that are composed of other selection terms.
CompoundSelections.Array<X>	A compound selection which is an array of its component terms.
CompoundSelections.MultiSelection<T>	A selection of terms that interprets its arguments based on target result type.
CompoundSelections.NewInstance<X>	A compound selection which is an instance constructed of its component terms.
CompoundSelections.Tuple	A compound selection which is a Tuple composed of its component terms.
CriteriaBuilderImpl	Factory for Criteria query expressions.
CriteriaExpressionBuilder	Converts expressions of a CriteriaQuery to kernel Expression.
CriteriaExpressionVisitor.AbstractVisitor	An abstract implementation that can detect cycles during traversal.
CriteriaExpressionVisitor.ParameterVisitor	A visitor to register Parameter expression of a query.
CriteriaQueryImpl<T>	Criteria query implementation.
ExpressionImpl<X>	Expression node for Criteria query.
Expressions	Expressions according to JPA 2.0.
Expressions.Abs<X>
Expressions.All<X>
Expressions.Any<X>
Expressions.Avg
Expressions.Between<Y extends Comparable<Y>>
Expressions.BinarayFunctionalExpression<X>	Binary Functional Expression applies a binary function on a pair of input Expression.
Expressions.BinaryLogicalExpression	Binary Logical Expression applies a function on a pair of input Expression to generate a Predicate i.e.
Expressions.Case<T>
Expressions.Cast<B>
Expressions.CastAs<Y>
Expressions.Coalesce<T>
Expressions.Concat
Expressions.Constant<X>
Expressions.Count
Expressions.CurrentDate
Expressions.CurrentTime
Expressions.CurrentTimestamp
Expressions.DatabaseFunction<T>
Expressions.Diff<N extends Number>
Expressions.Equal
Expressions.Exists<X>
Expressions.FunctionalExpression<X>	Functional Expression applies a function on a list of input Expressions.
Expressions.GreaterThan
Expressions.GreaterThanEqual
Expressions.In<T>
Expressions.Index
Expressions.IsEmpty
Expressions.IsMember<E>
Expressions.IsNotEmpty
Expressions.IsNotNull
Expressions.IsNull
Expressions.Length
Expressions.LessThan
Expressions.LessThanEqual
Expressions.Like
Expressions.ListArgument<T>	An expression that is composed of one or more expressions.
Expressions.Locate
Expressions.Lower
Expressions.Max<X>
Expressions.Min<X>
Expressions.Mod
Expressions.Not
Expressions.NotEqual
Expressions.Nullif<T>
Expressions.Product<N extends Number>
Expressions.Quotient<N extends Number>
Expressions.SimpleCase<C,R>
Expressions.Size
Expressions.Sqrt
Expressions.SubqueryExpression<X>
Expressions.SubqueryPredicate<X>
Expressions.Substring
Expressions.Sum<N extends Number>
Expressions.Trim
Expressions.Type<X extends Class>
Expressions.UnaryFunctionalExpression<X>	Unary Functional Expression applies a unary function on a input operand Expression.
Expressions.Upper
FetchPathImpl<Z,X>
FromImpl<Z,X>	Represents a bound type, usually an entity that appears in the from clause, but may also be an embeddable belonging to an entity in the from clause.
Joins	Implements strongly-typed Join expressions via singular and plural attributes.
Joins.AbstractCollection<Z,C,E>	Join a plural attribute.
Joins.Collection<Z,E>	Join a java.util.Collection<E> type attribute.
Joins.KeyJoin<K,V>	A specialized join via key of a java.util.Map<K,V> attribute.
Joins.List<Z,E>	Join a java.util.List<E> type attribute.
Joins.Map<Z,K,V>	Join a java.util.Map<K,V> type attribute.
Joins.MapEntry<K,V>
Joins.MapKey<Z,K>
Joins.Set<Z,E>	Join a java.util.Set<E> type attribute.
Joins.SingularJoin<Z,X>	Join a single-valued attribute.
OrderImpl	Ordering clause of a criteria query.
ParameterExpressionImpl<T>	Parameter of a criteria query.
PathImpl<Z,X>	Path is an expression often representing a persistent attribute traversed from another (parent) path.
PredicateImpl	Predicate is a expression that evaluates to true or false.
PredicateImpl.And	Concrete AND predicate.
PredicateImpl.Or	Concrete OR predicate.
RootImpl<X>	A root path without a parent.
SelectionImpl<X>	An item selected in the projection clause of Criteria query.
SubqueryImpl<T>	Subquery is an expression which itself is a query and always appears in the context of a parent query.

Enum Summary

Enum	Description
ComparisonStyle.StringComparisonMode
CriteriaExpressionVisitor.TraversalStyle

Package org.apache.openjpa.persistence.criteria Description

OpenJPA Criteria Query

This package provides an implementation of Criteria API in JPA 2.0 Specification and extended features such as Query-By-Example.