Expression (JOSM)

java.lang.Object
- org.openstreetmap.josm.data.imagery.vectortile.mapbox.style.Expression

```
public final class Expression
extends java.lang.Object
```
A Mapbox vector style expression (immutable)

Since:

17862

See Also:

https://docs.mapbox.com/mapbox-gl-js/style-spec/expressions/

Field Summary

Fields
Modifier and Type Field Description

static Expression EMPTY_EXPRESSION
An empty expression to use

private java.lang.String mapcssFilterExpression

Constructor Summary

Constructors
Constructor Description

Expression(jakarta.json.JsonValue value)
Create a new filter expression.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private static java.lang.String`	`convertToString(jakarta.json.JsonValue value)`	Convert a value to a string
`boolean`	`equals(java.lang.Object other)`
`int`	`hashCode()`
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - EMPTY_EXPRESSION
```
public static final Expression EMPTY_EXPRESSION
```
    An empty expression to use
  - mapcssFilterExpression
```
private final java.lang.String mapcssFilterExpression
```
- Constructor Detail
  - Expression
```
public Expression(jakarta.json.JsonValue value)
```
    Create a new filter expression. Please note that this currently only supports basic comparators!
    
    Parameters:
    
    value - The value to parse
- Method Detail
  - convertToString
```
private static java.lang.String convertToString(jakarta.json.JsonValue value)
```
    Convert a value to a string
    
    Parameters:
    
    value - The value to convert
    
    Returns:
    
    A string
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object