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293 lines
11 KiB
293 lines
11 KiB
<?php
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/*
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* Copyright 2015-2017 MongoDB, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace MongoDB\Operation;
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use MongoDB\Driver\Command;
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use MongoDB\Driver\Server;
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use MongoDB\Driver\Session;
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use MongoDB\Driver\WriteConcern;
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use MongoDB\Driver\Exception\RuntimeException as DriverRuntimeException;
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use MongoDB\Exception\InvalidArgumentException;
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use MongoDB\Exception\UnexpectedValueException;
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use MongoDB\Exception\UnsupportedException;
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/**
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* Operation for the findAndModify command.
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*
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* This class is used internally by the FindOneAndDelete, FindOneAndReplace, and
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* FindOneAndUpdate operation classes.
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*
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* @internal
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* @see http://docs.mongodb.org/manual/reference/command/findAndModify/
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*/
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class FindAndModify implements Executable, Explainable
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{
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private static $wireVersionForArrayFilters = 6;
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private static $wireVersionForCollation = 5;
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private static $wireVersionForDocumentLevelValidation = 4;
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private static $wireVersionForWriteConcern = 4;
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private $databaseName;
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private $collectionName;
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private $options;
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/**
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* Constructs a findAndModify command.
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*
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* Supported options:
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*
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* * arrayFilters (document array): A set of filters specifying to which
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* array elements an update should apply.
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*
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* This is not supported for server versions < 3.6 and will result in an
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* exception at execution time if used.
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*
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* * collation (document): Collation specification.
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*
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* This is not supported for server versions < 3.4 and will result in an
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* exception at execution time if used.
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*
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* * bypassDocumentValidation (boolean): If true, allows the write to
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* circumvent document level validation.
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*
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* For servers < 3.2, this option is ignored as document level validation
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* is not available.
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*
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* * fields (document): Limits the fields to return for the matching
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* document.
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*
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* * maxTimeMS (integer): The maximum amount of time to allow the query to
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* run.
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*
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* * new (boolean): When true, returns the modified document rather than
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* the original. This option is ignored for remove operations. The
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* The default is false.
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*
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* * query (document): Query by which to filter documents.
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*
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* * remove (boolean): When true, removes the matched document. This option
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* cannot be true if the update option is set. The default is false.
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*
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* * session (MongoDB\Driver\Session): Client session.
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*
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* Sessions are not supported for server versions < 3.6.
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*
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* * sort (document): Determines which document the operation modifies if
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* the query selects multiple documents.
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*
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* * typeMap (array): Type map for BSON deserialization.
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*
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* * update (document): Update or replacement to apply to the matched
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* document. This option cannot be set if the remove option is true.
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*
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* * upsert (boolean): When true, a new document is created if no document
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* matches the query. This option is ignored for remove operations. The
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* default is false.
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*
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* * writeConcern (MongoDB\Driver\WriteConcern): Write concern.
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*
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* This is not supported for server versions < 3.2 and will result in an
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* exception at execution time if used.
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*
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* @param string $databaseName Database name
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* @param string $collectionName Collection name
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* @param array $options Command options
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* @throws InvalidArgumentException for parameter/option parsing errors
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*/
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public function __construct($databaseName, $collectionName, array $options)
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{
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$options += [
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'new' => false,
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'remove' => false,
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'upsert' => false,
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];
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if (isset($options['arrayFilters']) && ! is_array($options['arrayFilters'])) {
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throw InvalidArgumentException::invalidType('"arrayFilters" option', $options['arrayFilters'], 'array');
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}
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if (isset($options['bypassDocumentValidation']) && ! is_bool($options['bypassDocumentValidation'])) {
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throw InvalidArgumentException::invalidType('"bypassDocumentValidation" option', $options['bypassDocumentValidation'], 'boolean');
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}
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if (isset($options['collation']) && ! is_array($options['collation']) && ! is_object($options['collation'])) {
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throw InvalidArgumentException::invalidType('"collation" option', $options['collation'], 'array or object');
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}
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if (isset($options['fields']) && ! is_array($options['fields']) && ! is_object($options['fields'])) {
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throw InvalidArgumentException::invalidType('"fields" option', $options['fields'], 'array or object');
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}
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if (isset($options['maxTimeMS']) && ! is_integer($options['maxTimeMS'])) {
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throw InvalidArgumentException::invalidType('"maxTimeMS" option', $options['maxTimeMS'], 'integer');
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}
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if ( ! is_bool($options['new'])) {
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throw InvalidArgumentException::invalidType('"new" option', $options['new'], 'boolean');
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}
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if (isset($options['query']) && ! is_array($options['query']) && ! is_object($options['query'])) {
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throw InvalidArgumentException::invalidType('"query" option', $options['query'], 'array or object');
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}
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if ( ! is_bool($options['remove'])) {
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throw InvalidArgumentException::invalidType('"remove" option', $options['remove'], 'boolean');
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}
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if (isset($options['session']) && ! $options['session'] instanceof Session) {
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throw InvalidArgumentException::invalidType('"session" option', $options['session'], 'MongoDB\Driver\Session');
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}
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if (isset($options['sort']) && ! is_array($options['sort']) && ! is_object($options['sort'])) {
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throw InvalidArgumentException::invalidType('"sort" option', $options['sort'], 'array or object');
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}
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if (isset($options['typeMap']) && ! is_array($options['typeMap'])) {
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throw InvalidArgumentException::invalidType('"typeMap" option', $options['typeMap'], 'array');
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}
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if (isset($options['update']) && ! is_array($options['update']) && ! is_object($options['update'])) {
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throw InvalidArgumentException::invalidType('"update" option', $options['update'], 'array or object');
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}
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if (isset($options['writeConcern']) && ! $options['writeConcern'] instanceof WriteConcern) {
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throw InvalidArgumentException::invalidType('"writeConcern" option', $options['writeConcern'], 'MongoDB\Driver\WriteConcern');
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}
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if ( ! is_bool($options['upsert'])) {
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throw InvalidArgumentException::invalidType('"upsert" option', $options['upsert'], 'boolean');
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}
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if ( ! (isset($options['update']) xor $options['remove'])) {
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throw new InvalidArgumentException('The "remove" option must be true or an "update" document must be specified, but not both');
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}
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if (isset($options['writeConcern']) && $options['writeConcern']->isDefault()) {
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unset($options['writeConcern']);
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}
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$this->databaseName = (string) $databaseName;
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$this->collectionName = (string) $collectionName;
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$this->options = $options;
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}
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/**
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* Execute the operation.
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*
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* @see Executable::execute()
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* @param Server $server
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* @return array|object|null
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* @throws UnexpectedValueException if the command response was malformed
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* @throws UnsupportedException if array filters, collation, or write concern is used and unsupported
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* @throws DriverRuntimeException for other driver errors (e.g. connection errors)
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*/
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public function execute(Server $server)
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{
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if (isset($this->options['arrayFilters']) && ! \MongoDB\server_supports_feature($server, self::$wireVersionForArrayFilters)) {
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throw UnsupportedException::arrayFiltersNotSupported();
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}
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if (isset($this->options['collation']) && ! \MongoDB\server_supports_feature($server, self::$wireVersionForCollation)) {
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throw UnsupportedException::collationNotSupported();
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}
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if (isset($this->options['writeConcern']) && ! \MongoDB\server_supports_feature($server, self::$wireVersionForWriteConcern)) {
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throw UnsupportedException::writeConcernNotSupported();
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}
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$cursor = $server->executeWriteCommand($this->databaseName, new Command($this->createCommandDocument($server)), $this->createOptions());
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$result = current($cursor->toArray());
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if ( ! isset($result->value)) {
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return null;
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}
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if ( ! is_object($result->value)) {
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throw new UnexpectedValueException('findAndModify command did not return a "value" document');
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}
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if (isset($this->options['typeMap'])) {
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return \MongoDB\apply_type_map_to_document($result->value, $this->options['typeMap']);
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}
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return $result->value;
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}
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public function getCommandDocument(Server $server)
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{
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return $this->createCommandDocument($server);
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}
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/**
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* Create the findAndModify command document.
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*
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* @return array
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*/
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private function createCommandDocument(Server $server)
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{
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$cmd = ['findAndModify' => $this->collectionName];
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if ($this->options['remove']) {
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$cmd['remove'] = true;
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} else {
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$cmd['new'] = $this->options['new'];
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$cmd['upsert'] = $this->options['upsert'];
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}
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foreach (['collation', 'fields', 'query', 'sort', 'update'] as $option) {
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if (isset($this->options[$option])) {
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$cmd[$option] = (object) $this->options[$option];
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}
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}
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if (isset($this->options['arrayFilters'])) {
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$cmd['arrayFilters'] = $this->options['arrayFilters'];
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}
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if (isset($this->options['maxTimeMS'])) {
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$cmd['maxTimeMS'] = $this->options['maxTimeMS'];
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}
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if (isset($this->options['bypassDocumentValidation']) && \MongoDB\server_supports_feature($server, self::$wireVersionForDocumentLevelValidation)) {
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$cmd['bypassDocumentValidation'] = $this->options['bypassDocumentValidation'];
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}
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return $cmd;
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}
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/**
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* Create options for executing the command.
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*
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* @see http://php.net/manual/en/mongodb-driver-server.executewritecommand.php
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* @return array
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*/
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private function createOptions()
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{
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$options = [];
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if (isset($this->options['session'])) {
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$options['session'] = $this->options['session'];
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}
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if (isset($this->options['writeConcern'])) {
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$options['writeConcern'] = $this->options['writeConcern'];
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}
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return $options;
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}
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}
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