IExpression (Jadex Active Component Platform 4.0.267 API)

All Superinterfaces:

IElement

All Known Implementing Classes:

RExpressionbase.RExpression
```
public interface IExpression
extends IElement
```
The common interface for expressions.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.Object`	`execute()`	Execute the query.
`java.lang.Object`	`execute(java.lang.String[] names, java.lang.Object[] values)`	Execute the query using local parameters.
`java.lang.Object`	`execute(java.lang.String name, java.lang.Object value)`	Execute the query using a local parameter.
`java.lang.Object`	`getValue()`	Evaluate the expression.

Methods inherited from interface jadex.bdiv3x.runtime.IElement
getCount, getId, getModelElement

- Method Detail
  - getValue
```
java.lang.Object getValue()
```
    Evaluate the expression.
    
    Returns:
    
    The value of the expression.
  - execute
```
java.lang.Object execute()
```
    Execute the query.
    
    Returns:
    
    the result value of the query.
  - execute
```
java.lang.Object execute(java.lang.String name,
                         java.lang.Object value)
```
    Execute the query using a local parameter.
    
    Parameters:
    
    name - The name of the local parameter.
    
    value - The value of the local parameter.
    
    Returns:
    
    the result value of the query.
  - execute
```
java.lang.Object execute(java.lang.String[] names,
                         java.lang.Object[] values)
```
    Execute the query using local parameters.
    
    Parameters:
    
    names - The names of parameters.
    
    values - The parameter values.
    
    Returns:
    
    The return value.