All Known Implementing Classes:

AndExpression, OrExpression, SimpleExpression
```
public interface IExpression
```
Interface for a policy expression.
```
 NOTE:  The Policy Framework has been replaced by the Profile Framework.
 
```
Version:

$Revision$, $Date$

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`EQUAL_STR`
`static java.lang.String`	`GE_STR`
`static java.lang.String`	`GT_STR`
`static java.lang.String`	`LE_STR`
`static java.lang.String`	`LT_STR`
`static java.lang.String`	`NEQUAL_STR`
`static int`	`OP_EQUAL`
`static int`	`OP_GE`
`static int`	`OP_GT`
`static int`	`OP_LE`
`static int`	`OP_LT`
`static int`	`OP_NEQUAL`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`evaluate(IRequest req)`	Evaluate the Expression.
`java.lang.String`	`toString()`	Convert to a string.

- Field Detail
  - OP_EQUAL
```
static final int OP_EQUAL
```
    See Also:
    
    Constant Field Values
  - OP_NEQUAL
```
static final int OP_NEQUAL
```
    See Also:
    
    Constant Field Values
  - OP_GT
```
static final int OP_GT
```
    See Also:
    
    Constant Field Values
  - OP_LT
```
static final int OP_LT
```
    See Also:
    
    Constant Field Values
  - OP_GE
```
static final int OP_GE
```
    See Also:
    
    Constant Field Values
  - OP_LE
```
static final int OP_LE
```
    See Also:
    
    Constant Field Values
  - EQUAL_STR
```
static final java.lang.String EQUAL_STR
```
    See Also:
    
    Constant Field Values
  - NEQUAL_STR
```
static final java.lang.String NEQUAL_STR
```
    See Also:
    
    Constant Field Values
  - GT_STR
```
static final java.lang.String GT_STR
```
    See Also:
    
    Constant Field Values
  - GE_STR
```
static final java.lang.String GE_STR
```
    See Also:
    
    Constant Field Values
  - LT_STR
```
static final java.lang.String LT_STR
```
    See Also:
    
    Constant Field Values
  - LE_STR
```
static final java.lang.String LE_STR
```
    See Also:
    
    Constant Field Values
- Method Detail
  - evaluate
```
boolean evaluate(IRequest req)
          throws EPolicyException
```
    Evaluate the Expression.
    
    Parameters:
    
    req - The PKIRequest on which we are applying the condition.
    
    Returns:
    
    The return value.
    
    Throws:
    
    EPolicyException
  - toString
```
java.lang.String toString()
```
    Convert to a string.
    
    Overrides:
    
    toString in class java.lang.Object

Interface IExpression

Field Summary

Method Summary

Field Detail

OP_EQUAL

OP_NEQUAL

OP_GT

OP_LT

OP_GE

OP_LE

EQUAL_STR

NEQUAL_STR

GT_STR

GE_STR

LT_STR

LE_STR

Method Detail

evaluate

toString