org.apache.olingo.server.tecsvc.processor.queryoptions.expression

Class ExpressionVisitorImpl

java.lang.Object

org.apache.olingo.server.tecsvc.processor.queryoptions.expression.ExpressionVisitorImpl

All Implemented Interfaces:

ExpressionVisitor<VisitorOperand>

public class ExpressionVisitorImpl
extends Object
implements ExpressionVisitor<VisitorOperand>

Constructor Summary

Constructors

Constructor and Description
ExpressionVisitorImpl(Entity entity, EdmBindingTarget bindingTarget)

Method Summary

Methods

Modifier and Type	Method and Description
VisitorOperand	visitAlias(String aliasName) Called for each traversed Alias expression
VisitorOperand	visitBinaryOperator(BinaryOperatorKind operator, VisitorOperand left, VisitorOperand right) Called for each traversed Binary expression
VisitorOperand	visitEnum(EdmEnumType type, List<String> enumValues) Called for each traversed Enumeration expression
VisitorOperand	visitLambdaExpression(String lambdaFunction, String lambdaVariable, Expression expression) Called for each traversed lambda expression
VisitorOperand	visitLambdaReference(String variableName) Called for each traversed LambdaRef
VisitorOperand	visitLiteral(Literal literal) Called for each traversed Literal expression
VisitorOperand	visitMember(UriInfoResource member) Called for each traversed Member expression
VisitorOperand	visitMethodCall(MethodKind methodCall, List<VisitorOperand> parameters) Called for each traversed Method expression
VisitorOperand	visitTypeLiteral(EdmType type) Called for each traversed TypeLiteral expression
VisitorOperand	visitUnaryOperator(UnaryOperatorKind operator, VisitorOperand operand) Called for each traversed Unary expression

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpressionVisitorImpl

public ExpressionVisitorImpl(Entity entity,
                     EdmBindingTarget bindingTarget)

Method Detail

visitBinaryOperator

public VisitorOperand visitBinaryOperator(BinaryOperatorKind operator,
                                 VisitorOperand left,
                                 VisitorOperand right)
                                   throws ExpressionVisitException,
                                          ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Binary expression

Specified by:

visitBinaryOperator in interface ExpressionVisitor<VisitorOperand>

Parameters:

operator - Operator kind

left - Application return value of left sub tree

right - Application return value of right sub tree

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitUnaryOperator

public VisitorOperand visitUnaryOperator(UnaryOperatorKind operator,
                                VisitorOperand operand)
                                  throws ExpressionVisitException,
                                         ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Unary expression

Specified by:

visitUnaryOperator in interface ExpressionVisitor<VisitorOperand>

Parameters:

operator - Operator kind

operand - return value of sub tree

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitMethodCall

public VisitorOperand visitMethodCall(MethodKind methodCall,
                             List<VisitorOperand> parameters)
                               throws ExpressionVisitException,
                                      ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Method expression

Specified by:

visitMethodCall in interface ExpressionVisitor<VisitorOperand>

Parameters:

methodCall - Method

parameters - List of application return values created by visiting each method parameter

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occurred

ODataApplicationException - Thrown by the application

visitLambdaExpression

public VisitorOperand visitLambdaExpression(String lambdaFunction,
                                   String lambdaVariable,
                                   Expression expression)
                                     throws ExpressionVisitException,
                                            ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed lambda expression

Specified by:

visitLambdaExpression in interface ExpressionVisitor<VisitorOperand>

Parameters:

lambdaFunction - "ALL" or "ANY"

lambdaVariable - Variable name used lambda variable

expression - Lambda expression

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitLiteral

public VisitorOperand visitLiteral(Literal literal)
                            throws ExpressionVisitException,
                                   ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Literal expression

Specified by:

visitLiteral in interface ExpressionVisitor<VisitorOperand>

Parameters:

literal - Literal

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitMember

public VisitorOperand visitMember(UriInfoResource member)
                           throws ExpressionVisitException,
                                  ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Member expression

Specified by:

visitMember in interface ExpressionVisitor<VisitorOperand>

Parameters:

member - UriInfoResource object describing the whole path used to access an data value (this includes for example the usage of $root and $it inside the URI)

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitAlias

public VisitorOperand visitAlias(String aliasName)
                          throws ExpressionVisitException,
                                 ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Alias expression

Specified by:

visitAlias in interface ExpressionVisitor<VisitorOperand>

Parameters:

aliasName - Name of the alias

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitTypeLiteral

public VisitorOperand visitTypeLiteral(EdmType type)
                                throws ExpressionVisitException,
                                       ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed TypeLiteral expression

Specified by:

visitTypeLiteral in interface ExpressionVisitor<VisitorOperand>

Parameters:

type - EdmType

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitLambdaReference

public VisitorOperand visitLambdaReference(String variableName)
                                    throws ExpressionVisitException,
                                           ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed LambdaRef

Specified by:

visitLambdaReference in interface ExpressionVisitor<VisitorOperand>

Parameters:

variableName - Name of the used lambda variable

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application

visitEnum

public VisitorOperand visitEnum(EdmEnumType type,
                       List<String> enumValues)
                         throws ExpressionVisitException,
                                ODataApplicationException

Description copied from interface: ExpressionVisitor

Called for each traversed Enumeration expression

Specified by:

visitEnum in interface ExpressionVisitor<VisitorOperand>

Parameters:

type - Type used in the URI before the enumeration values

enumValues - List of enumeration values

Returns:

Application return value of type T

Throws:

ExpressionVisitException - Thrown if an exception while traversing occured

ODataApplicationException - Thrown by the application