use Doctrine\CouchDB\CouchDBClient;
use Relaxed\Replicator\ReplicationTask;
use Relaxed\Replicator\Replicator;
$sourceClient = CouchDBClient::create(array('dbname' => 'sourcedb'));
$targetClient = CouchDBClient::create(array('dbname' => 'targetdb1'));
// Add docs to the source db.
$id = 'id';
$docs = array(array('_id' => $id . '1', 'foo' => 'bar1', '_rev' => '1-abc'), array('_id' => $id . '2', 'foo' => 'bar2', '_rev' => '1-bcd'), array('_id' => $id . '3', 'foo' => 'bar3', '_rev' => '1-cde'));
$updater = $sourceClient->createBulkUpdater();
$updater->updateDocuments($docs);
// Set newedits to false to use the supplied _rev instead of assigning
// new ones.
$updater->setNewEdits(false);
$response = $updater->execute();
// Create the replication task.
$task = new ReplicationTask();
// Enable target creation.
$task->setCreateTarget(true);
// Create the replicator.
$replicator = new Replicator($sourceClient, $targetClient, $task);
// Get the replication report as an array.
var_dump($replicator->startReplication(false, true));
/*
* array(3) {
["multipartResponse"]=>
array(0) {
}
["bulkResponse"]=>
array(3) {
["id1"]=>
array(1) {
/**
* When $printStatus is true, the replication details are written to the
* STDOUT. When $getFinalReport is true, detailed replication report is
* returned and if false, only the success and failure counts are returned.
* Both $printStatus and $getFinalReport are used only when the
* replication is continuous and are ignored in case of normal replication.
*
* @param bool $printStatus
* @param bool $getFinalReport
* @return array
* @throws HTTPException
*/
public function locateChangedDocumentsAndReplicate($printStatus, $getFinalReport)
{
$finalResponse = array('multipartResponse' => array(), 'bulkResponse' => array(), 'errorResponse' => array());
// Filtered changes stream is not supported. So Don't use the doc_ids
// to specify the specific document ids.
if ($this->task->getContinuous()) {
$options = array('feed' => 'continuous', 'style' => $this->task->getStyle(), 'heartbeat' => $this->task->getHeartbeat(), 'since' => $this->task->getSinceSeq(), 'filter' => $this->task->getFilter());
if ($this->task->getHeartbeat() != null) {
$options['heartbeat'] = $this->task->getHeartbeat();
} else {
$options['timeout'] = $this->task->getTimeout() != null ? $this->task->getTimeout() : 10000;
}
$changesStream = $this->source->getChangesAsStream($options);
$successCount = 0;
$failureCount = 0;
while (!feof($changesStream)) {
$changes = fgets($changesStream);
if ($changes == false || trim($changes) == '' || strpos($changes, 'last_seq') !== false) {
sleep(2);
continue;
}
$mapping = $this->getMapping($changes);
$docId = array_keys($mapping)[0];
try {
// getRevisionDifference throws bad request when JSON is
// empty. So check before sending.
$revDiff = count($mapping) > 0 ? $this->target->getRevisionDifference($mapping) : array();
$response = $this->replicateChanges($revDiff);
if ($getFinalReport == true) {
foreach ($response['multipartResponse'] as $docID => $res) {
// Add the response of posting each revision of the
// doc that had attachments.
foreach ($res as $singleRevisionResponse) {
// An Exception.
if (is_a($singleRevisionResponse, 'Exception')) {
// Note: In this case there is no 'rev' field in
// the response.
$finalResponse['errorResponse'][$docID][] = $singleRevisionResponse;
} else {
$finalResponse['multipartResponse'][$docID][] = $singleRevisionResponse;
}
}
}
foreach ($response['bulkResponse'] as $docID => $status) {
$finalResponse['bulkResponse'][$docID][] = $status;
}
}
if ($printStatus == true) {
echo 'Document with id = ' . $docId . ' successfully replicated.' . "\n";
}
$successCount++;
} catch (\Exception $e) {
if ($getFinalReport == true) {
$finalResponse['errorResponse'][$docID][] = $e;
}
if ($printStatus == true) {
echo 'Replication of document with id = ' . $docId . ' failed with code: ' . $e->getCode() . ".\n";
}
$failureCount++;
}
}
$finalResponse['successCount'] = $successCount;
$finalResponse['failureCount'] = $failureCount;
// The final response in case of continuous replication.
// In case where $getFinalReport is true, response has five keys:
// (i)multipartResponse, (ii) bulkResponse, (iii)errorResponse,
// (iv) successCount, (v) failureCount. The errorResponse has the
// responses from the failed replication attempt of docs having
// attachments. To check failures related to bulk posting, the
// returned status codes can be used.
// When $getFinalReport is false, the returned response has only the
// successCount and failureCount.
return $finalResponse;
} else {
$changes = $this->source->getChanges(array('feed' => 'normal', 'style' => $this->task->getStyle(), 'since' => $this->task->getSinceSeq(), 'filter' => $this->task->getFilter(), 'doc_ids' => $this->task->getDocIds()));
$mapping = $this->getMapping($changes);
$revDiff = count($mapping) > 0 ? $this->target->getRevisionDifference($mapping) : array();
$response = $this->replicateChanges($revDiff);
foreach ($response['multipartResponse'] as $docID => $res) {
// Add the response of posting each revision of the
// doc that had attachments.
foreach ($res as $singleRevisionResponse) {
// An Exception.
if (is_a($singleRevisionResponse, 'Exception')) {
// Note: In this case there is no 'rev' field in
// the response.
$finalResponse['errorResponse'][$docID][] = $singleRevisionResponse;
} else {
$finalResponse['multipartResponse'][$docID][] = $singleRevisionResponse;
}
}
}
foreach ($response['bulkResponse'] as $docID => $res) {
$finalResponse['bulkResponse'][$docID][] = $res;
}
// In case of normal replication the $finalResponse has three
// keys: (i) multipartResponse, (ii) bulkResponse, (iii)
// errorResponse.
return $finalResponse;
}
}
use Doctrine\CouchDB\CouchDBClient;
use Relaxed\Replicator\ReplicationTask;
use Relaxed\Replicator\Replicator;
$sourceClient = CouchDBClient::create(array('dbname' => 'sourcedb'));
$targetClient = CouchDBClient::create(array('dbname' => 'targetdb2'));
// Add docs to the source db.
$id = 'id';
$docs = array(array('_id' => $id . '1', 'foo' => 'bar1', '_rev' => '1-abc'), array('_id' => $id . '2', 'foo' => 'bar2', '_rev' => '1-bcd'), array('_id' => $id . '3', 'foo' => 'bar3', '_rev' => '1-cde'));
$updater = $sourceClient->createBulkUpdater();
$updater->updateDocuments($docs);
// Set newedits to false to use the supplied _rev instead of assigning
// new ones.
$updater->setNewEdits(false);
$response = $updater->execute();
// Create the replication task.
$task = new ReplicationTask();
$task->setDocIds(array('id1', 'id3'));
// Enable target creation.
$task->setCreateTarget(true);
// Create the replicator.
$replicator = new Replicator($sourceClient, $targetClient, $task);
// Get the replication report as an array.
var_dump($replicator->startReplication(false, true));
/*
array(3) {
["multipartResponse"]=>
array(0) {
}
["bulkResponse"]=>
array(2) {
["id1"]=>
/**
* Test the mapping done in getMapping
*
* @dataProvider changesFeedProvider
*/
public function testGetMapping($changes, $continuous, $expected)
{
$task = new ReplicationTask();
$task->setContinuous($continuous);
$replication = new Replication($this->source, $this->target, $task);
$mapping = $replication->getMapping($changes);
$this->assertEquals($expected, $mapping, 'Incorrect mapping in getMapping.');
}
