See: Description
Interface  Description 

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 whereclause and havingclause 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  Description 

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.

CaseExpressionImpl  
ConcatExpression 
Denotes CONCAT(e1,e2,..)

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.

IsEmptyExpression  
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 fully.qualified.class.name(arg1, arg2,...)

NotEqualExpression 
Denotes (e1 !

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  Description 

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 Type  Description 

OrderBy 
OpenJPA Dynamic Query
This package provides dynamic query construction that are similar to weaklytyped Criteria API.
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