Expression (Oracle® Coherence Java API Reference)

Type Parameters:

T - the type of value returned when the Expression is evaluated

All Known Implementing Classes:

InitParamProcessor.CacheRefExpression, InitParamProcessor.CollectionRefExpression, InitParamProcessor.DataStructureRefExpression, InitParamProcessor.ResourceRefExpression, InitParamProcessor.SchemeRefExpression, LiteralExpression, Parameter, ParameterMacroExpression, ValueMacroExpression
```
public interface Expression<T>
```
A Expression represents a calculation to be evaluated at runtime, during which, one or more Parameters may be required.

Since:

Coherence 12.1.2

Author:

bo 2011.06.24

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  T evaluate(ParameterResolver resolver)
  Evaluates the Expression to produce a value of type T.

- Method Detail
  - evaluate
```
T evaluate(ParameterResolver resolver)
```
    Evaluates the Expression to produce a value of type T.
    
    Parameters:
    
    resolver - the ParameterResolver for resolving any parameters used by the Expression
    
    Returns:
    
    The result of evaluating the expression