org.apache.openjpa.persistence.query
Interfaces 
Aggregate
CaseExpression
DomainObject
Expression
FetchJoinObject
OpenJPAQueryBuilder
OrderByItem
PathExpression
Predicate
PredicateOperand
QueryBuilder
QueryDefinition
SelectItem
Subquery
Visitable
Classes 
AbsExpression
AbstractDomainObject
AbstractPath
AbstractVisitable
AliasContext
AllExpression
AndPredicate
AnyExpression
ArrayExpression
AverageExpression
BetweenExpression
BinaryExpressionPredicate
BinaryOperatorExpression
CaseExpressionImpl
ConcatExpression
ConstantExpression
CountExpression
CurrentTimeExpression
DistinctExpression
DividedByExpression
ElseExpression
EntryExpression
EqualExpression
ExistsExpression
ExpressionImpl
FetchPath
GreaterEqualExpression
GreaterThanExpression
IndexExpression
InExpression
IsEmptyExpression
IsNullExpression
JoinPath
JPQLHelper
KeyExpression
LengthExpression
LessEqualExpression
LessThanExpression
LikeExpression
LiteralExpression
LocateExpression
LogicalPredicate
LowerExpression
MaxExpression
MemberOfExpression
MinExpression
MinusExpression
ModExpression
NavigationPath
NewInstance
NotEqualExpression
OperatorPath
OrderableItem
OrPredicate
ParameterExpression
PlusExpression
QueryBuilderImpl
QueryDefinitionImpl
QueryDefinitionImpl.DomainSorter
QueryExpression
RangeExpression
RootPath
SizeExpression
SomeExpression
SquareRootExpression
SubStringExpression
SumExpression
TimesExpression
TrimExpression
TypeExpression
UnaryExpressionPredicate
UnaryMinusExpression
UnaryOperatorExpression
UpperExpression
ValueExpression
VarArgsExpression
WhenClause
Enums 
BinaryConditionalOperator
BinaryFunctionalOperator
ConditionalOperator
PathOperator
TrimSpec
UnaryConditionalOperator
UnaryFunctionalOperator
UnaryOperator
Annotation Types 
OrderBy