PolicyExecutor (Helidon Project 2.6.9 API)

All Known Implementing Classes:

JavaxElPolicyExecutor
```
public interface PolicyExecutor
```
Custom executor of policy statements.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`executePolicy(String policyStatement, Errors.Collector collector, ProviderRequest request)`	Execute a policy based on a policy statement.
`default boolean`	`supports(String policyStatement, ProviderRequest request)`	Can be used to tell the `PolicyValidator` that this statement is supported by this policy executor.

- Method Detail
  - supports
```
default boolean supports(String policyStatement,
                         ProviderRequest request)
```
    Can be used to tell the PolicyValidator that this statement is supported by this policy executor. If there are more than one executors configured, first provider that supports a statement will execute it.
    
    Parameters:
    
    policyStatement - statement as configured through EndpointConfig
    
    request - request of current security exchange, containing environment, subject, and object
    
    Returns:
    
    true if this executor supports the statement, false otherwise
  - executePolicy
```
void executePolicy(String policyStatement,
                   Errors.Collector collector,
                   ProviderRequest request)
```
    Execute a policy based on a policy statement.
    
    Parameters:
    
    policyStatement - statement to evaluate
    
    collector - register Errors.Collector.fatal(Object, String) in case the policy statement denies the request, do nothing for successful execution. Errors.Collector.warn(Object, String) and Errors.Collector.hint(Object, String) may be used for troubleshooting/debugging purposes
    
    request - request providing access to subject, service subject, environment and object (s)