IExpressionParser (EASy-Producer Documentation API)

Type Parameters:

R - the resolver type

All Known Implementing Classes:

VilExpressionParser, VtlExpressionParser
```
public interface IExpressionParser<R extends Resolver<?>>
```
Allows parsing a string to an expression.

Author:

Holger Eichelberger

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Expression`	`parse(java.lang.String text, IRuntimeEnvironment environment)`	Parses the given text into an expression.
`Expression`	`parse(java.lang.String text, R resolver)`	Parses the given text into an expression.

- Method Detail
  - parse
```
Expression parse(java.lang.String text,
                 IRuntimeEnvironment environment)
          throws VilException
```
    Parses the given text into an expression. Resolution will happen in a separate resolver instance.
    
    Parameters:
    
    text - the text to be parsed
    
    environment - the runtime environment used to resolve variables
    
    Returns:
    
    the parsed expression
    
    Throws:
    
    VilException - in case of parse problems
  - parse
```
Expression parse(java.lang.String text,
                 R resolver)
          throws VilException
```
    Parses the given text into an expression. Resolution will happen in the given resolver instance.
    
    Parameters:
    
    text - the text to be parsed
    
    resolver - a resolver instance providing a parse environment consisting of variables
    
    Returns:
    
    the parsed expression
    
    Throws:
    
    VilException - in case of parse problems