AltingBarrierError

java.lang.Object
- java.lang.Throwable
- - java.lang.Error
  - - org.jcsp.lang.AltingBarrierError

All Implemented Interfaces:

java.io.Serializable
```
public class AltingBarrierError
extends java.lang.Error
```
This is thrown for an illegal operation on an AltingBarrier.
Description
Currently, there are the following causes:
- different threads trying to operate on the same front-end;
- attempt to use as a Guard whilst resigned;
- attempt to sync whilst resigned;
- attempt to resign whilst resigned;
- attempt to enroll whilst enrolled;
- attempt to expand whilst resigned;
- attempt to contract whilst resigned;
- attempt to contract with an array of front-ends not supplied by expand;
- attempt to mark whilst resigned (caused by a process transfering a front-end in that state).
See Also:

Serialized Form

- Constructor Summary
  
  Constructors
  Constructor Description
  
  AltingBarrierError(java.lang.String s)
- Method Summary
  - Methods inherited from class java.lang.Throwable
    addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AltingBarrierError

public AltingBarrierError(java.lang.String s)