Example usage for org.springframework.transaction.support TransactionSynchronization TransactionSynchronization

Introduction

In this page you can find the example usage for org.springframework.transaction.support TransactionSynchronization TransactionSynchronization.

Prototype

TransactionSynchronization

Source Link

Usage

From source file:org.hyperic.hq.hqu.RenditServerImpl.java

private void deployPlugin(final PluginWrapper plugin, final File path, String pluginName, String pluginVer) {
    try {//  w w w.  j a v a2 s .  c  om
        // TODO Need to change this...this is done for short term to get past circular dependency w/ UIPluginManager
        uiPluginManager = Bootstrap.getBean(UIPluginManager.class);

        UIPlugin p = uiPluginManager.createOrUpdate(pluginName, pluginVer);
        plugin.deploy(p);
        TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {

            public void suspend() {
            }

            public void resume() {
            }

            public void flush() {
            }

            public void beforeCompletion() {
            }

            public void beforeCommit(boolean readOnly) {
            }

            public void afterCompletion(int status) {
            }

            public void afterCommit() {
                synchronized (cfgLock) {
                    plugins.put(path.getName(), plugin);
                }
            }
        });
    } catch (Exception e) {
        throw new PluginLoadException("Error loading HQU plugin [" + pluginName + "]", e);
    }
}

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From source file:org.hyperic.hq.zevents.ZeventManager.java

/**
 * Enqueue events if the current running transaction successfully commits.
 * @see #enqueueEvents(List)//from  w  w w . j a va2 s. c o m
 */
public void enqueueEventsAfterCommit(List<? extends Zevent> inEvents, final long timeout) {
    final List<Zevent> events = new ArrayList<Zevent>(inEvents);
    TransactionSynchronization txListener = new TransactionSynchronization() {
        public void afterCommit() {
            try {
                if (_log.isDebugEnabled()) {
                    _log.debug("Listener[" + this.toString() + "] after tx.  Enqueueing. ");
                }
                enqueueEvents(events, timeout);
            } catch (InterruptedException e) {
                _log.warn("Interrupted while enqueueing events: ", e);
            } catch (Exception e) {
                _log.error("Errorwhile enqueueing events: ", e);
            }
        }

        public void afterCompletion(int status) {
        }

        public void beforeCommit(boolean readOnly) {
        }

        public void beforeCompletion() {
        }

        public void flush() {
        }

        public void resume() {
        }

        public void suspend() {
        }
    };

    if (_log.isDebugEnabled()) {
        _log.debug("Listener[" + txListener + "] Enqueueing events: " + inEvents);
    }
    TransactionSynchronizationManager.registerSynchronization(txListener);
}

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