| 926 |
|
protected abstract boolean exec(); |
| 927 |
|
|
| 928 |
|
/** |
| 929 |
< |
* Returns, but does not unschedule or execute, the task most |
| 930 |
< |
* recently forked by the current thread but not yet executed, if |
| 931 |
< |
* one is available. There is no guarantee that this task will |
| 932 |
< |
* actually be polled or executed next. |
| 933 |
< |
* This method is designed primarily to support extensions, |
| 934 |
< |
* and is unlikely to be useful otherwise. |
| 935 |
< |
* This method may be invoked only from within |
| 936 |
< |
* ForkJoinTask computations. Attempts to invoke in other contexts |
| 937 |
< |
* result in exceptions or errors possibly including ClassCastException. |
| 929 |
> |
* Returns, but does not unschedule or execute, the task queued by |
| 930 |
> |
* the current thread but not yet executed, if one is |
| 931 |
> |
* available. There is no guarantee that this task will actually |
| 932 |
> |
* be polled or executed next. This method is designed primarily |
| 933 |
> |
* to support extensions, and is unlikely to be useful otherwise. |
| 934 |
> |
* This method may be invoked only from within ForkJoinTask |
| 935 |
> |
* computations. Attempts to invoke in other contexts result in |
| 936 |
> |
* exceptions or errors possibly including ClassCastException. |
| 937 |
|
* |
| 938 |
|
* @return the next task, or null if none are available |
| 939 |
|
*/ |
| 942 |
|
} |
| 943 |
|
|
| 944 |
|
/** |
| 945 |
< |
* Unschedules and returns, without executing, the task most |
| 946 |
< |
* recently forked by the current thread but not yet executed. |
| 947 |
< |
* This method is designed primarily to support extensions, |
| 948 |
< |
* and is unlikely to be useful otherwise. |
| 949 |
< |
* This method may be invoked only from within |
| 950 |
< |
* ForkJoinTask computations. Attempts to invoke in other contexts |
| 951 |
< |
* result in exceptions or errors possibly including ClassCastException. |
| 945 |
> |
* Unschedules and returns, without executing, the next task |
| 946 |
> |
* queued by the current thread but not yet executed. This method |
| 947 |
> |
* is designed primarily to support extensions, and is unlikely to |
| 948 |
> |
* be useful otherwise. This method may be invoked only from |
| 949 |
> |
* within ForkJoinTask computations. Attempts to invoke in other |
| 950 |
> |
* contexts result in exceptions or errors possibly including |
| 951 |
> |
* ClassCastException. |
| 952 |
|
* |
| 953 |
|
* @return the next task, or null if none are available |
| 954 |
|
*/ |
| 955 |
|
protected static ForkJoinTask<?> pollNextLocalTask() { |
| 956 |
< |
return ((ForkJoinWorkerThread)(Thread.currentThread())).popTask(); |
| 956 |
> |
return ((ForkJoinWorkerThread)(Thread.currentThread())).pollLocalTask(); |
| 957 |
|
} |
| 958 |
< |
|
| 958 |
> |
|
| 959 |
|
/** |
| 960 |
< |
* Unschedules and returns, without executing, the task most |
| 961 |
< |
* recently forked by the current thread but not yet executed, if |
| 962 |
< |
* one is available, or if not available, a task that was forked |
| 963 |
< |
* by some other thread, if available. Availability may be |
| 964 |
< |
* transient, so a <code>null</code> result does not necessarily |
| 965 |
< |
* imply quiecence of the pool this task is operating in. |
| 966 |
< |
* This method is designed primarily to support extensions, |
| 967 |
< |
* and is unlikely to be useful otherwise. |
| 969 |
< |
* This method may be invoked only from within |
| 960 |
> |
* Unschedules and returns, without executing, the next task |
| 961 |
> |
* queued by the current thread but not yet executed, if one is |
| 962 |
> |
* available, or if not available, a task that was forked by some |
| 963 |
> |
* other thread, if available. Availability may be transient, so a |
| 964 |
> |
* <code>null</code> result does not necessarily imply quiecence |
| 965 |
> |
* of the pool this task is operating in. This method is designed |
| 966 |
> |
* primarily to support extensions, and is unlikely to be useful |
| 967 |
> |
* otherwise. This method may be invoked only from within |
| 968 |
|
* ForkJoinTask computations. Attempts to invoke in other contexts |
| 969 |
< |
* result in exceptions or errors possibly including ClassCastException. |
| 969 |
> |
* result in exceptions or errors possibly including |
| 970 |
> |
* ClassCastException. |
| 971 |
|
* |
| 972 |
|
* @return a task, or null if none are available |
| 973 |
|
*/ |
