Package org.apache.openjpa.persistence.query

OpenJPA Dynamic Query


Interface Summary
Aggregate Type of the result of an aggregate operation
CaseExpression Interface for the construction of case expressions
DomainObject Domain objects define the domain over which a query operates.
Expression Instances of this interface can be used either as select list items or as predicate operands.
FetchJoinObject Interface used for the result of a fetch join.
OpenJPAQueryBuilder Builds dynamic query
OrderByItem Instances of this interface can be used as orderBy arguments.
PathExpression Interface for operations over objects reached via paths
Predicate Interface used to define compound predicates.
PredicateOperand Interface for constructing where-clause and having-clause conditions.
QueryBuilder Factory interface for query definition objects
QueryDefinition Interface for construction of query definitions
SelectItem SelectItem instances are used in specifying the query's select list.
Subquery Instances of this interface can be used as subqueries.
Visitable An element of query that is convertible to a JPQL String given a aliasing scheme.

Class Summary
AbsExpression Denotes ABS() operation on a given expression.
AbstractDomainObject Domain Object is a path expression over which query is evaluated.
AndPredicate Denotes (e1 AND e2) predicate.
ArrayExpression A single expression that holds an array of values.
AverageExpression Denotes AVG() on a given Expression.
BetweenExpression Denotes e1 BETWEEN(e2 AND e3) Expression.
BinaryOperatorExpression An expression resulting from a binary operation on two expressions.
ConcatExpression Denotes CONCAT(e1,e2,..) Expression.
CountExpression Denotes COUNT(e) Expression.
CurrentTimeExpression Denotes CURRENT_TIME(), CURRENT_DATE() and CURRENT_TIMESTAMP() expressions.
DistinctExpression Denotes DISTINCT(e) Expression.
DividedByExpression Denotes e1/e2 Expression.
ElseExpression Else clause in a Case Statement.
EntryExpression Denotes ENTRY(e) on a path.
EqualExpression Denotes e1 = e2 Expression.
ExistsExpression Denotes EXISTS(SubQuery) Expression.
FetchPath Denotes a path used in fetch join.
GreaterEqualExpression Denotes e1 >= e2 Expression.
GreaterThanExpression Denotes e1 > e2 Expression.
IndexExpression Denotes INDEX(e) Expression.
InExpression Denotes e1 IN (e2) Expression.
IsNullExpression Denotes e IS NULL Expression.
JoinPath Path resulting by joining from a parent path via an attribute.
JPQLHelper Utility for converting elements to JPQL string fragments.
KeyExpression Denotes KEY(e) Expression.
LengthExpression Denotes LENGTH(e) Expression.
LessEqualExpression Denotes e1 <= e2 Expression.
LessThanExpression Denotes e1 < e2 Expression.
LikeExpression Denotes e1 LIKE e2 Expression.
LiteralExpression Denotes a Literal Expression.
LocateExpression Denotes LOCATE(e1, e2, n) Expression.
LogicalPredicate Logical Predicate combines two predicates with a logical operator.
LowerExpression Denotes LOWER(e) Expression.
MaxExpression Denotes MAX(e) Expression.
MemberOfExpression Denotes e1 MEMBER OF e2 Expression.
MinExpression Denotes MIN(e) Expression.
MinusExpression Denotes (e1 - e2) Expression.
NewInstance Denotes NEW, arg2,...)
NotEqualExpression Denotes (e1 != e2) Expression.
OperatorPath A path resulting from KEY() or VALUE() operation on an existing path.
OrderableItem Denotes an item of ORDER BY clause.
OrPredicate Denotes (e1 OR e2) predicate.
ParameterExpression Denotes a parameter in a query.
PlusExpression Denotes (e1 + e2) Expression.
QueryBuilderImpl The factory for QueryDefinition.
QueryDefinitionImpl Implements QueryDefinition.
RangeExpression Denotes a range used by e1 BETWEEN x AND y operation.
RootPath Denotes root domain instance representing a persistent type.
SizeExpression Denotes SIZE(e) Expression.
SquareRootExpression Denotes SQRT(e) Expression.
SubStringExpression Denotes SUBSTR(a,i1,i2) Expression.
SumExpression Denotes SUM(e) Expression.
TimesExpression Denotes (e1*e2) Expression.
TrimExpression Denotes TRIM(e1,x) Expression.
TypeExpression Denotes TYPE(e) Expression.
UnaryMinusExpression Denotes (-e) Expression.
UpperExpression Denotes UPPER(e) Expression.
ValueExpression Denotes VALUE(e) Expression.
VarArgsExpression A expression that holds an array of Expressions.
WhenClause Denotes WHEN ...

Enum Summary
BinaryConditionalOperator Enumeration of conditional operator that operates on ordered pair of expression to generate a predicate.
BinaryFunctionalOperator Enumeration of functional operator that operates on ordered pair of expression to generate another expression.
ConditionalOperator Enumerates conditional operator that operates on two predicates to generate another predicate.
PathOperator Operator that combines two components to form a path.
TrimSpec Used to specify the trimming of strings
UnaryConditionalOperator Enumeration of operator that operates on a single expression to generate a predicate.
UnaryFunctionalOperator Enumeration of operator that operates on a single expression to generate another expression.
UnaryOperator Enumeration of Operator that operate on a single expression.

Annotation Types Summary

Package org.apache.openjpa.persistence.query Description

OpenJPA Dynamic Query

This package provides dynamic query construction that are similar to weakly-typed Criteria API.

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