Examples of EDU.oswego.cs.dl.util.concurrent.Sync.release()

Package EDU.oswego.cs.dl.util.concurrent

Class EDU.oswego.cs.dl.util.concurrent.Sync

Examples of EDU.oswego.cs.dl.util.concurrent.Sync.release()

EDU.oswego.cs.dl.util.concurrent.Sync.release()
Potentially enable others to pass.
Because release does not raise exceptions, it can be used in `finally' clauses without requiring extra embedded try/catch blocks. But keep in mind that as with any java method, implementations may still throw unchecked exceptions such as Error or NullPointerException when faced with uncontinuable errors. However, these should normally only be caught by higher-level error handlers.

                } else {
                    signal = new Latch();
                    waitingReaders.add(signal);
                }
            } finally {
                shared.release();
            }


            // if we get here there was an active writer with
            // a dependency to the current id.
            // wait for the writer until it is done, then try again

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                } else {
                    signal = new Latch();
                    waitingWriters.add(signal);
                }
            } finally {
                exclusive.release();
            }
            // if we get here there is an active writer or there is a read
            // lock that conflicts with the change log
            signal.acquire();
        }

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                activeWriter = null;
                activeWriterId = null;
                notifyWaitingReaders();
                notifyWaitingWriters();
            } finally {
                exclusive.release();
            }
        }


        public ReadLock downgrade() {
            readLockMap.addLock(null);

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                // only notify waiting readers since we still hold a down
                // graded lock, which is kind of exclusiv with respect to
                // other writers
                notifyWaitingReaders();
            } finally {
                exclusive.release();
            }
            return anonymousReadLock;
        }


    }

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                    // only notify waiting writers if we do *not* hold a write
                    // lock at the same time. that would be a waste of cpu time.
                    notifyWaitingWriters();
                }
            } finally {
                shared.release();
            }
        }
    }


    private static boolean hasDependency(ChangeLog changeLog, ItemId id) {

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                } else {
                    signal = new Latch();
                    waitingReaders.add(signal);
                }
            } finally {
                shared.release();
            }


            // if we get here there was an active writer with
            // a dependency to the current id.
            // wait for the writer until it is done, then try again

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                } else {
                    signal = new Latch();
                    waitingWriters.add(signal);
                }
            } finally {
                exclusive.release();
            }
            // if we get here there is an active writer or there is a read
            // lock that conflicts with the change log
            signal.acquire();
        }

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                activeWriter = null;
                activeWriterThread = null;
                notifyWaitingReaders();
                notifyWaitingWriters();
            } finally {
                exclusive.release();
            }
        }


        public ReadLock downgrade() {
            readLockMap.addLock(null);

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                // only notify waiting readers since we still hold a down
                // graded lock, which is kind of exclusiv with respect to
                // other writers
                notifyWaitingReaders();
            } finally {
                exclusive.release();
            }
            return anonymousReadLock;
        }


    }

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                    // only notify waiting writers if we do *not* hold a write
                    // lock at the same time. that would be a waste of cpu time.
                    notifyWaitingWriters();
                }
            } finally {
                shared.release();
            }
        }
    }


    private static boolean hasDependency(ChangeLog changeLog, ItemId id) {

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