EvalCommand.EvalAction (JSimpleDB CLI Classes 2.4.2 API)

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java.lang.Object
- org.jsimpledb.cli.cmd.EvalCommand.EvalAction

All Implemented Interfaces:

CliSession.Action, Session.TransactionalAction

Enclosing class:

EvalCommand
```
public static final class EvalCommand.EvalAction
extends Object
implements CliSession.Action, Session.TransactionalAction
```
Special transactional CliSession.Action used by the EvalCommand allowing access to the EvalException that occurred, if any.
This class is needed because EvalCommand catches and handles EvalExceptions thrown during expression evaluation itself, swallowing them, making it appear as if the command were always successful.

Method Summary

Methods
Modifier and Type	Method and Description
`EvalException`	`getEvalException()` Get the `EvalException` that occurred when evaluating the expression, if any.
`void`	`run(CliSession session)` Perform some action using the given `CliSession` while a transaction is open.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - run
```
public void run(CliSession session)
         throws Exception
```
    Description copied from interface: CliSession.Action
    
    Perform some action using the given CliSession while a transaction is open.
    
    Specified by:
    
    run in interface CliSession.Action
    
    Parameters:
    session - session with open transaction
    
    Throws:
    
    Exception - if an error occurs
  - getEvalException
```
public EvalException getEvalException()
```
    Get the EvalException that occurred when evaluating the expression, if any.
    
    Returns:
    exception thrown during evaluation, or null if evaluation was successful

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