Uses of Interface
org.apache.openjpa.kernel.exps.Expression

Packages that use Expression

Package	Description
org.apache.openjpa.kernel.exps	OpenJPA Expression Tree
org.apache.openjpa.kernel.jpql	JPA Query Language Support

Uses of Expression in org.apache.openjpa.kernel.exps

Classes in org.apache.openjpa.kernel.exps that implement Expression

Modifier and Type	Class	Description
class	Exp	An in-memory representation of an Expression.
class	WhenCondition
class	WhenScalar

Fields in org.apache.openjpa.kernel.exps declared as Expression

Modifier and Type	Field	Description
Expression	QueryExpressions.filter
Expression	Context.from
Expression	QueryExpressions.having

Methods in org.apache.openjpa.kernel.exps that return Expression

Modifier and Type	Method	Description
Expression	ExpressionFactory.and(Expression exp1, Expression exp2)	Return the two expressions AND'd together.
Expression	InMemoryExpressionFactory.and(Expression exp1, Expression exp2)
Expression	ExpressionFactory.asExpression(Value bool)	Return the given value as an expression.
Expression	InMemoryExpressionFactory.asExpression(Value v)
Expression	ExpressionFactory.bindKeyVariable(Value var, Value map)	Bind the given variable to the key set of the given map value.
Expression	InMemoryExpressionFactory.bindKeyVariable(Value var, Value val)
Expression	ExpressionFactory.bindValueVariable(Value var, Value map)	Bind the given variable to the value set of the given map value.
Expression	InMemoryExpressionFactory.bindValueVariable(Value var, Value val)
Expression	ExpressionFactory.bindVariable(Value var, Value coll)	Bind the given variable to the given collection value.
Expression	InMemoryExpressionFactory.bindVariable(Value var, Value val)
Expression	ExpressionFactory.contains(Value coll, Value arg)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.contains(Value v1, Value v2)
Expression	ExpressionFactory.containsKey(Value map, Value arg)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.containsKey(Value v1, Value v2)
Expression	ExpressionFactory.containsValue(Value map, Value arg)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.containsValue(Value v1, Value v2)
Expression	ExpressionFactory.emptyExpression()	Return a blank expression; this is used when the filter is empty.
Expression	InMemoryExpressionFactory.emptyExpression()
Expression	ExpressionFactory.endsWith(Value str1, Value str2)	Return whether the first string ends with the second.
Expression	InMemoryExpressionFactory.endsWith(Value v1, Value v2)
Expression	ExpressionFactory.equal(Value v1, Value v2)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.equal(Value v1, Value v2)
Expression	ExpressionFactory.greaterThan(Value v1, Value v2)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.greaterThan(Value v1, Value v2)
Expression	ExpressionFactory.greaterThanEqual(Value v1, Value v2)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.greaterThanEqual(Value v1, Value v2)
Expression	ExpressionFactory.isEmpty(Value target)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.isEmpty(Value v1)
Expression	ExpressionFactory.isInstance(Value obj, Class c)	Return whether the first value is an instance of the given class.
Expression	InMemoryExpressionFactory.isInstance(Value v1, Class c)
Expression	ExpressionFactory.isNotEmpty(Value target)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.isNotEmpty(Value v1)
Expression	ExpressionFactory.lessThan(Value v1, Value v2)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.lessThan(Value v1, Value v2)
Expression	ExpressionFactory.lessThanEqual(Value v1, Value v2)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.lessThanEqual(Value v1, Value v2)
Expression	ExpressionFactory.matches(Value str, Value regexp, String single, String multi, String escape)	Return whether the string matches the matching pattern.
Expression	InMemoryExpressionFactory.matches(Value v1, Value v2, String single, String multi, String esc)
Expression	ExpressionFactory.not(Expression exp)	Return the inverse of this expression.
Expression	InMemoryExpressionFactory.not(Expression exp)
Expression	ExpressionFactory.notEqual(Value v1, Value v2)	Return an expression representing the given condition.
Expression	InMemoryExpressionFactory.notEqual(Value v1, Value v2)
Expression	ExpressionFactory.notMatches(Value str, Value regexp, String single, String multi, String escape)	Return whether the string does not match the given pattern.
Expression	InMemoryExpressionFactory.notMatches(Value v1, Value v2, String single, String multi, String esc)
Expression	ExpressionFactory.or(Expression exp1, Expression exp2)	Return the two expressions OR'd together.
Expression	InMemoryExpressionFactory.or(Expression exp1, Expression exp2)
Expression	ExpressionFactory.startsWith(Value str1, Value str2)	Return whether the first string starts with the second.
Expression	InMemoryExpressionFactory.startsWith(Value v1, Value v2)
Expression	ExpressionFactory.whenCondition(Expression exp, Value val)	Return a when condidional clause
Expression	InMemoryExpressionFactory.whenCondition(Expression exp, Value val)
Expression	ExpressionFactory.whenScalar(Value val1, Value val2)	Return a when scalar_expression clause
Expression	InMemoryExpressionFactory.whenScalar(Value val1, Value val2)

Methods in org.apache.openjpa.kernel.exps with parameters of type Expression

Modifier and Type	Method	Description
Expression	ExpressionFactory.and(Expression exp1, Expression exp2)	Return the two expressions AND'd together.
Expression	InMemoryExpressionFactory.and(Expression exp1, Expression exp2)
void	AbstractExpressionVisitor.enter(Expression exp)
void	ExpressionVisitor.enter(Expression exp)	Enter an expression.
void	AbstractExpressionVisitor.exit(Expression exp)
void	ExpressionVisitor.exit(Expression exp)	Leave an expression.
Value	ExpressionFactory.generalCaseExpression(Expression[] exp, Value val)	Return a general case expression
Value	InMemoryExpressionFactory.generalCaseExpression(Expression[] exp, Value val)
Expression	ExpressionFactory.not(Expression exp)	Return the inverse of this expression.
Expression	InMemoryExpressionFactory.not(Expression exp)
Expression	ExpressionFactory.or(Expression exp1, Expression exp2)	Return the two expressions OR'd together.
Expression	InMemoryExpressionFactory.or(Expression exp1, Expression exp2)
Value	ExpressionFactory.simpleCaseExpression(Value caseOperand, Expression[] exp, Value val)	Return a simple case expression
Value	InMemoryExpressionFactory.simpleCaseExpression(Value caseOperand, Expression[] exp, Value val)
Expression	ExpressionFactory.whenCondition(Expression exp, Value val)	Return a when condidional clause
Expression	InMemoryExpressionFactory.whenCondition(Expression exp, Value val)

Uses of Expression in org.apache.openjpa.kernel.jpql

Methods in org.apache.openjpa.kernel.jpql that return Expression

Modifier and Type	Method	Description
protected Expression	JPQLExpressionBuilder.evalFetchJoins(QueryExpressions exps)