ExpressionFactory.MinMaxFunction (JOSM)

java.lang.Object
- org.openstreetmap.josm.gui.mappaint.mapcss.ExpressionFactory.MinMaxFunction

All Implemented Interfaces:

Expression

Enclosing class:

ExpressionFactory
```
public static class ExpressionFactory.MinMaxFunction
extends java.lang.Object
implements Expression
```
Computes the maximum/minimum value an arbitrary number of floats, or a list of floats.

Field Summary

Fields
Modifier and Type Field Description

private java.util.List<Expression> args

private boolean computeMax

Constructor Summary

Constructors
Constructor Description

MinMaxFunction(java.util.List<Expression> args, boolean computeMax)
Constructs a new MinMaxFunction.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Float`	`aggregateList(java.util.List<?> lst)`	Compute the minimum / maximum over the list
`java.lang.Object`	`evaluate(Environment env)`	Evaluate this expression.

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

- Field Detail
  - args
```
private final java.util.List<Expression> args
```
  - computeMax
```
private final boolean computeMax
```
- Constructor Detail
  - MinMaxFunction
```
public MinMaxFunction(java.util.List<Expression> args,
                      boolean computeMax)
```
    Constructs a new MinMaxFunction.
    
    Parameters:
    
    args - arguments
    
    computeMax - if true, compute max. If false, compute min
- Method Detail
  - aggregateList
```
public java.lang.Float aggregateList(java.util.List<?> lst)
```
    Compute the minimum / maximum over the list
    
    Parameters:
    
    lst - The list
    
    Returns:
    
    The minimum or maximum depending on computeMax
  - evaluate
```
public java.lang.Object evaluate(Environment env)
```
    Description copied from interface: Expression
    
    Evaluate this expression.
    
    Specified by:
    
    evaluate in interface Expression
    
    Parameters:
    
    env - The environment
    
    Returns:
    
    the result of the evaluation, can be a List, String or any primitive type or wrapper classes of a primitive type.