Expr (52°North Svalbard OData 3.1.0 API)

All Known Subinterfaces:

BooleanExpr

All Known Implementing Classes:

BinaryExpr, BooleanBinaryExpr, BooleanUnaryExpr, ComparisonExpr, MemberExpr, MethodCallExpr, UnaryExpr, ValueExpr
```
public interface Expr
```
Interface for expressions.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`<T,X extends Throwable> T`	`accept(ExprVisitor<T,X> visitor)` Accepts `visitor` for this expression.
`default Optional<BinaryExpr<?>>`	`asBinary()` Get this expression as a binary expression
`default Optional<BooleanExpr>`	`asBoolean()` Get this expression as a boolean expression
`default Optional<BooleanBinaryExpr>`	`asBooleanBinary()` Get this expression as a boolean binary expression
`default Optional<BooleanUnaryExpr>`	`asBooleanUnary()` Get this expression as a boolean unary expression
`default Optional<ComparisonExpr>`	`asComparison()` Get this expression as a comparison expression
`default Optional<MemberExpr>`	`asMember()` Get this expression as a member expression
`default Optional<MethodCallExpr>`	`asMethodCall()` Get this expression as a method call expression
`default Optional<UnaryExpr<?>>`	`asUnary()` Get this expression as a unary expression
`default Optional<ValueExpr>`	`asValue()` Get this expression as a value expression
`default boolean`	`isBinary()` Check if this expression is a binary expression.
`default boolean`	`isBoolean()` Check if this expression is a boolean expresion.
`default boolean`	`isBooleanBinary()` Check if this expression is a boolean binary expression.
`default boolean`	`isBooleanUnary()` Check if this expression is a boolean unary expression.
`default boolean`	`isComparison()` Check if this expression is a comparison expression.
`default boolean`	`isMember()` Check if this expression is a member expression.
`default boolean`	`isMethodCall()` Check if this expression is a method call expression.
`default boolean`	`isUnary()` Check if this expression is a unary expression.
`default boolean`	`isValue()` Check if this expression is a value expression.

- Method Detail
  - isValue
```
default boolean isValue()
```
    Check if this expression is a value expression.
    
    Returns:
    
    if it is a value
  - asValue
```
default Optional<ValueExpr> asValue()
```
    Get this expression as a value expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isMember
```
default boolean isMember()
```
    Check if this expression is a member expression.
    
    Returns:
    
    if it is a member
  - asMember
```
default Optional<MemberExpr> asMember()
```
    Get this expression as a member expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isBinary
```
default boolean isBinary()
```
    Check if this expression is a binary expression.
    
    Returns:
    
    if it is a binary expression
  - asBinary
```
default Optional<BinaryExpr<?>> asBinary()
```
    Get this expression as a binary expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isBooleanBinary
```
default boolean isBooleanBinary()
```
    Check if this expression is a boolean binary expression.
    
    Returns:
    
    if it is a boolean binary expression
  - asBooleanBinary
```
default Optional<BooleanBinaryExpr> asBooleanBinary()
```
    Get this expression as a boolean binary expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isComparison
```
default boolean isComparison()
```
    Check if this expression is a comparison expression.
    
    Returns:
    
    if it is a comparison expression
  - asComparison
```
default Optional<ComparisonExpr> asComparison()
```
    Get this expression as a comparison expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isUnary
```
default boolean isUnary()
```
    Check if this expression is a unary expression.
    
    Returns:
    
    if it is a unary expression
  - asUnary
```
default Optional<UnaryExpr<?>> asUnary()
```
    Get this expression as a unary expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isBooleanUnary
```
default boolean isBooleanUnary()
```
    Check if this expression is a boolean unary expression.
    
    Returns:
    
    if it is a unary boolean expression
  - asBooleanUnary
```
default Optional<BooleanUnaryExpr> asBooleanUnary()
```
    Get this expression as a boolean unary expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isMethodCall
```
default boolean isMethodCall()
```
    Check if this expression is a method call expression.
    
    Returns:
    
    if it is a method call expression
  - asMethodCall
```
default Optional<MethodCallExpr> asMethodCall()
```
    Get this expression as a method call expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - isBoolean
```
default boolean isBoolean()
```
    Check if this expression is a boolean expresion.
    
    Returns:
    
    if it is a boolean expression
  - asBoolean
```
default Optional<BooleanExpr> asBoolean()
```
    Get this expression as a boolean expression
    
    Returns:
    
    the expression or Optional.empty() if the type does not match
  - accept
```
<T,X extends Throwable> T accept(ExprVisitor<T,X> visitor)
                          throws X extends Throwable
```
    Accepts visitor for this expression.
    
    Type Parameters:
    
    T - the visitor's return type
    
    X - the exception type the visitor may throw
    
    Parameters:
    
    visitor - the visitor
    
    Returns:
    
    the result of the visit
    
    Throws:
    
    X - if the visitor fails to visit this expression
    
    X extends Throwable

Interface Expr

Method Summary

Method Detail

isValue

asValue

isMember

asMember

isBinary

asBinary

isBooleanBinary

asBooleanBinary

isComparison

asComparison

isUnary

asUnary

isBooleanUnary

asBooleanUnary

isMethodCall

asMethodCall

isBoolean

asBoolean

accept