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<?php |
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/* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* The software is based on the Axon Framework project which is |
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* licensed under the Apache 2.0 license. For more information on the Axon Framework |
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* see <http://www.axonframework.org/>. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the MIT license. For more information, see |
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* <http://www.governor-framework.org/>. |
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*/ |
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namespace Governor\Framework\EventHandling\Io; |
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use Governor\Framework\Serializer\SerializerInterface; |
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use Governor\Framework\Serializer\MessageSerializer; |
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use Governor\Framework\Domain\EventMessageInterface; |
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use Governor\Framework\Domain\DomainEventMessageInterface; |
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/** |
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* EventMessageWriter is responsible to convert an {@link EventMessageInterface} to a binary stream. |
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* |
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* @author "David Kalosi" <[email protected]> |
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* @license <a href="http://www.opensource.org/licenses/mit-license.php">MIT License</a> |
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*/ |
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class EventMessageWriter |
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{ |
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/** |
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* @var MessageSerializer |
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*/ |
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private $serializer; |
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/** |
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* @param SerializerInterface $serializer Serializer. |
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*/ |
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public function __construct(SerializerInterface $serializer) |
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{ |
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$this->serializer = new MessageSerializer($serializer); |
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} |
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/** |
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* @param EventMessageInterface $event |
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* @return mixed |
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*/ |
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public function writeEventMessage(EventMessageInterface $event) |
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{ |
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if ($event instanceof DomainEventMessageInterface) { |
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1 |
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$type = 3; |
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1 |
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} else { |
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$type = 1; |
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} |
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$serializedPayload = $this->serializer->serializePayload($event); |
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$serializedMetaData = $this->serializer->serializeMetaData($event); |
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$data = pack("na36N", $type, $event->getIdentifier(), |
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$event->getTimestamp()->format('U')); |
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if ($event instanceof DomainEventMessageInterface) { |
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$data .= pack("a36N", $event->getAggregateIdentifier(), |
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1 |
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$event->getScn()); |
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1 |
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} |
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// TODO payload revision |
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$packFormat = sprintf("Na%sNa%sNa%s", |
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strlen($serializedPayload->getType()->getName()), |
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strlen($serializedPayload->getData()), |
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strlen($serializedMetaData->getData())); |
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$data .= pack($packFormat, |
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strlen($serializedPayload->getType()->getName()), |
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$serializedPayload->getType()->getName(), |
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strlen($serializedPayload->getData()), |
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$serializedPayload->getData(), |
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strlen($serializedMetaData->getData()), |
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$serializedMetaData->getData()); |
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return $data; |
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} |
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} |