Example usage for org.springframework.integration.store MessageGroup getLastModified

Introduction

In this page you can find the example usage for org.springframework.integration.store MessageGroup getLastModified.

Prototype

long getLastModified();

Source Link

Usage

From source file:org.springframework.integration.aggregator.AbstractCorrelatingMessageHandler.java

private void forceComplete(MessageGroup group) {

    Object correlationKey = group.getGroupId();
    // UUIDConverter is no-op if already converted
    Lock lock = this.lockRegistry.obtain(UUIDConverter.getUUID(correlationKey).toString());
    boolean removeGroup = true;
    try {/*from ww w.j  av a2 s  .  co m*/
        lock.lockInterruptibly();
        try {
            /*
             * Refetch the group because it might have changed while we were waiting on
             * its lock. If the last modified timestamp changed, defer the completion
             * because the selection condition may have changed such that the group
             * would no longer be eligible.
             */
            MessageGroup groupNow = this.messageStore.getMessageGroup(group.getGroupId());
            long lastModifiedNow = groupNow.getLastModified();
            if (group.getLastModified() == lastModifiedNow) {
                if (groupNow.size() > 0) {
                    if (releaseStrategy.canRelease(groupNow)) {
                        this.completeGroup(correlationKey, groupNow);
                    } else {
                        this.expireGroup(correlationKey, groupNow);
                    }
                } else {
                    /*
                     * By default empty groups are removed on the same schedule as non-empty
                     * groups. A longer timeout for empty groups can be enabled by
                     * setting minimumTimeoutForEmptyGroups.
                     */
                    removeGroup = lastModifiedNow <= (System.currentTimeMillis()
                            - this.minimumTimeoutForEmptyGroups);
                    if (removeGroup && logger.isDebugEnabled()) {
                        logger.debug("Removing empty group: " + correlationKey);
                    }
                }
            } else {
                removeGroup = false;
                if (logger.isDebugEnabled()) {
                    logger.debug("Group expiry candidate (" + correlationKey
                            + ") has changed - it may be reconsidered for a future expiration");
                }
            }
        } finally {
            if (removeGroup) {
                this.remove(group);
            }
            lock.unlock();
        }
    } catch (InterruptedException ie) {
        Thread.currentThread().interrupt();
        throw new MessagingException("Thread was interrupted while trying to obtain lock");
    }
}

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From source file:org.springframework.integration.store.AbstractMessageGroupStore.java

public int expireMessageGroups(long timeout) {
    int count = 0;
    long threshold = System.currentTimeMillis() - timeout;
    for (MessageGroup group : this) {

        long timestamp = group.getTimestamp();
        if (this.isTimeoutOnIdle() && group.getLastModified() > 0) {
            timestamp = group.getLastModified();
        }/*from  ww w.  j ava  2  s. co m*/

        if (timestamp <= threshold) {
            count++;
            expire(group);
        }
    }
    return count;
}

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