Method getDiff

java/org/apache/catalina/ha/session/DeltaSession.java:143–170

()

    }

    @Override
    public byte[] getDiff() throws IOException {
        SynchronizedStack<DeltaRequest> deltaRequestPool = null;
        DeltaRequest newDeltaRequest;

        if (manager instanceof ClusterManagerBase) {
            deltaRequestPool = ((ClusterManagerBase) manager).getDeltaRequestPool();
            newDeltaRequest = deltaRequestPool.pop();
            if (newDeltaRequest == null) {
                newDeltaRequest = createRequest(null, ((ClusterManagerBase) manager).isRecordAllActions());
            }
        } else {
            newDeltaRequest = createRequest();
        }

        DeltaRequest oldDeltaRequest = replaceDeltaRequest(newDeltaRequest);

        byte[] result = oldDeltaRequest.serialize();

        if (deltaRequestPool != null) {
            // Only need to reset the old request if it is going to be pooled.
            // Otherwise let GC do its thing.
            oldDeltaRequest.reset();
            deltaRequestPool.push(oldDeltaRequest);
        }

        return result;
    }

    /**
     * Get the class loaders used for deserialization.