| es.udc.mypersonalizer.kernel.model.query.ast.expr |
|
| Java Source File Name | Type | Comment |
| AbstractFunctionExpression.java | Class | Abstract classs implementing the FunctionExpression interface.
This class manages the data, but has no meaing. |
| AbstractLiteralExpression.java | Class | Commodity class for creating specific LiteralExpressions. |
| BinaryExpression.java | Interface | Interface for binary expressions.
Binary are defined by a two operands (the left-hand side, or
LHS, and the right-hand side, or RHS)
and an operator. |
| BooleanExpression.java | Interface | Tagging interface for expressions evaluating to a boolean value. |
| ContainsFunctionExpression.java | Class | Function expression representing the "contains" function. |
| EqualityExpression.java | Class | A binary expression which evaluates to a boolean value and whose arguments
evaluate both to the same type.
If you plon to reuse or otherwise change the LHS and RHS to a different
type, you should set them to null beforehand. |
| EqualsExpression.java | Class | Equality expression which compares LHS and RHS and
returns TRUE when both are considered equal. |
| Expression.java | Interface | Generic interface for expressions. |
| ExpressionVisitor.java | Interface | Interface for visiting concrete Expressions (Visitor
design pattern).
It defines a visit() method for each concrete
Expression, which performs some operation on it and then
returns some result.
Operations that do not return a value must return null.
ExpressionVisitors can throw
UnsupportedOperationException for visit methods that are not
supposed to be called in correctly-written code (i.e. |
| FunctionExpression.java | Interface | The interface representing a function expression.
Function expressions are defined by a number of zero or more arguments
passed to a funcion. |
| GreaterOrEqualExpression.java | Class | Relational expression comparing two numeric values (or StepExpressions
evaluating to a numeric property) and evaluating to TRUE if
the LHS is greater than, or equal to, the RHS. |
| GreaterThanExpression.java | Class | Relational expression comparing two numeric values (or StepExpressions
evaluating to a numeric property) and evaluating to TRUE if
the LHS is greater than the RHS. |
| LesserOrEqualExpression.java | Class | Relational expression comparing two numeric values (or StepExpressions
evaluating to a numeric property) and evaluating to TRUE if
the LHS is lesser than, or equal to, the RHS. |
| LesserThanExpression.java | Class | Relational expression comparing two numeric values (or StepExpressions
evaluating to a numeric property) and evaluating to TRUE if
the LHS is lesser than the RHS. |
| LiteralBooleanExpression.java | Class | Literal expression with a boolean value. |
| LiteralExpression.java | Interface | Interface for literal expressions.
Literal expressions represent constant values. |
| LiteralNumericExpression.java | Class | Literal expression with a Number value. |
| LiteralStringExpression.java | Class | Literal expresion with an String value. |
| LogicalAndExpression.java | Class | A LogicalExpression using an AND operator.
AND expressions must evaluate to TRUE only if the
LHS and the RHS also evaluate to TRUE.
When resolving the Expression a
es.udc.mypersonalizer.kernel.model.query.executor.QueryExecutor can
use short-circuit evaluation. |
| LogicalExpression.java | Class | A binary expression which evaluates to a boolean value and whose arguments
also evaluate to a boolean. |
| LogicalOrExpression.java | Class | A LogicalExpression using an OR operator.
OR expressions must evaluate to TRUE if the
LHS or the RHS (or both) evaluate to
TRUE.
When resolving the Expression a
es.udc.mypersonalizer.kernel.model.query.executor.QueryExecutor can
use short-circuit evaluation. |
| NotEqualsExpression.java | Class | Equality expression which compares LHS and RHS and
returns TRUE when both are considered different. |
| NumericExpression.java | Interface | Tagging interface for expressions evaluating to a number. |
| PropertyListExpression.java | Class | Concrete class representing an expression which evaluates to a list
of Property objects.
This class provides the functionality to bridge data between different
query engines/persistence types. |
| RelationalExpression.java | Class | A binary expression which evaluates to a boolean value and whose arguments
can be compared according to a given relation. |
| StartsWithFunctionExpression.java | Class | Function expression representing the "starts-with" function. |
| StepExpression.java | Class | Expression representing one or more filtering steps. |
| StringExpression.java | Interface | Tagging interface for expressions evaluating to a string. |
| UnaryExpression.java | Interface | Interface for unary expressions.
Unary expressions are defined by a single operand (the argument) and an
operator, which is defined by the concrete class implementing this interface
(i.e. |