BinaryPredicate (Camel :: API 3.14.6 API)

All Superinterfaces:

Predicate
```
public interface BinaryPredicate
extends Predicate
```
A predicate which evaluates a binary expression.
The predicate has a left and right hand side expressions which is matched based on an operator.
This predicate offers the matchesReturningFailureMessage(org.apache.camel.Exchange) method which evaluates and returns a detailed failure message if the predicate did not match.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Expression`	`getLeft()`	Gets the left hand side expression
`String`	`getOperator()`	Gets the operator
`Expression`	`getRight()`	Gets the right hand side expression
`String`	`matchesReturningFailureMessage(Exchange exchange)`	Evaluates the predicate on the message exchange and returns `null` if this exchange matches the predicate.

Methods inherited from interface org.apache.camel.Predicate
init, initPredicate, matches

- Method Detail
  - getOperator
```
String getOperator()
```
    Gets the operator
    
    Returns:
    
    the operator text
  - getLeft
```
Expression getLeft()
```
    Gets the left hand side expression
    
    Returns:
    
    the left expression
  - getRight
```
Expression getRight()
```
    Gets the right hand side expression
    
    Returns:
    
    the right expression
  - matchesReturningFailureMessage
```
String matchesReturningFailureMessage(Exchange exchange)
```
    Evaluates the predicate on the message exchange and returns null if this exchange matches the predicate. If it did not match, then a failure message is returned detailing the reason, which can be used by end users to understand the failure.
    
    Parameters:
    
    exchange - the message exchange
    
    Returns:
    
    null if the predicate matches.