TextExpr (52°North Svalbard OData 9.0.0 API)

All Superinterfaces:

Expr, ODataExpr

All Known Subinterfaces:

DirectTextExpr

All Known Implementing Classes:

MemberExpr, MethodCallExpr, StringValueExpr
```
public interface TextExpr
extends Expr
```

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default Optional<TextExpr>`	`asTextValue()`	Get this expression as a string expression
`default boolean`	`isTextValue()`	Check if this expression is a string expression.

Methods inherited from interface org.n52.svalbard.odata.core.expr.Expr
accept, asArithmetic, asBinary, asBoolean, asBooleanBinary, asBooleanUnary, asComparison, asGeometry, asMember, asMethodCall, asNumericValue, asTime, asUnary, isArithmetic, isBinary, isBoolean, isBooleanBinary, isBooleanUnary, isComparison, isGeometry, isMember, isMethodCall, isNumericValue, isTime, isUnary

Methods inherited from interface org.n52.shetland.oasis.odata.ODataExpr
toODataString

- Method Detail
  - isTextValue
```
default boolean isTextValue()
```
    Description copied from interface: Expr
    
    Check if this expression is a string expression.
    
    Specified by:
    
    isTextValue in interface Expr
    
    Returns:
    
    if it is a value
  - asTextValue
```
default Optional<TextExpr> asTextValue()
```
    Description copied from interface: Expr
    
    Get this expression as a string expression
    
    Specified by:
    
    asTextValue in interface Expr
    
    Returns:
    
    the expression or Optional.empty() if the type does not match