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99 lines
3.0 KiB
99 lines
3.0 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\Model;
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use MongoDB\BSON\Serializable;
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use MongoDB\Exception\InvalidArgumentException;
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/**
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* Index input model class.
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*
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* This class is used to validate user input for index creation.
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*
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* @internal
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* @see \MongoDB\Collection::createIndexes()
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* @see https://github.com/mongodb/specifications/blob/master/source/enumerate-indexes.rst
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* @see http://docs.mongodb.org/manual/reference/method/db.collection.createIndex/
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*/
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class IndexInput implements Serializable
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{
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private $index;
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/**
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* Constructor.
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*
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* @param array $index Index specification
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* @throws InvalidArgumentException
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*/
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public function __construct(array $index)
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{
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if ( ! isset($index['key'])) {
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throw new InvalidArgumentException('Required "key" document is missing from index specification');
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}
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if ( ! is_array($index['key']) && ! is_object($index['key'])) {
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throw InvalidArgumentException::invalidType('"key" option', $index['key'], 'array or object');
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}
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foreach ($index['key'] as $fieldName => $order) {
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if ( ! is_int($order) && ! is_float($order) && ! is_string($order)) {
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throw InvalidArgumentException::invalidType(sprintf('order value for "%s" field within "key" option', $fieldName), $order, 'numeric or string');
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}
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}
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if ( ! isset($index['ns'])) {
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throw new InvalidArgumentException('Required "ns" option is missing from index specification');
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}
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if ( ! is_string($index['ns'])) {
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throw InvalidArgumentException::invalidType('"ns" option', $index['ns'], 'string');
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}
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if ( ! isset($index['name'])) {
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$index['name'] = \MongoDB\generate_index_name($index['key']);
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}
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if ( ! is_string($index['name'])) {
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throw InvalidArgumentException::invalidType('"name" option', $index['name'], 'string');
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}
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$this->index = $index;
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}
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/**
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* Return the index name.
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*
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* @param string
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*/
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public function __toString()
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{
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return $this->index['name'];
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}
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/**
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* Serialize the index information to BSON for index creation.
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*
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* @see \MongoDB\Collection::createIndexes()
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* @see http://php.net/mongodb-bson-serializable.bsonserialize
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* @return array
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*/
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public function bsonSerialize()
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{
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return $this->index;
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}
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}
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