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<?php |
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namespace Guillermoandrae\DynamoDb\Contract; |
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use Aws\DynamoDb\DynamoDbClient; |
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use Aws\DynamoDb\Marshaler; |
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/** |
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* Abstract for search operations. |
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* |
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* @author Guillermo A. Fisher <[email protected]> |
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*/ |
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abstract class AbstractSearchOperation extends AbstractOperation implements SearchOperationInterface |
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{ |
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use TableAwareOperationTrait, |
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LimitAwareOperationTrait, |
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ExpressionAttributeValueAwareOperationTrait, |
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ReturnConsumedCapacityAwareOperationTrait { |
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TableAwareOperationTrait::toArray as tableAwareTraitToArray; |
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LimitAwareOperationTrait::toArray as limitAwareTraitToArray; |
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ExpressionAttributeValueAwareOperationTrait::toArray as expressionAwareTraitToArray; |
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ReturnConsumedCapacityAwareOperationTrait::toArray as returnConsumedCapacityAwareTraitToArray; |
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} |
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/** |
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* @var boolean Whether or not the read should be consistent. |
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*/ |
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protected bool $consistentRead = false; |
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/** |
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* @var string The name of a secondary index to request against. |
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*/ |
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protected string $indexName = ''; |
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/** |
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* @var string The attributes to retrieve from the specified table or index. |
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*/ |
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protected string $projectionExpression = ''; |
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/** |
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* @var string The attributes to be returned in the result. |
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*/ |
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protected string $select = ''; |
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/** |
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* Registers the DynamoDb client, Marshaler, and the table name with this object. |
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* |
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* @param DynamoDbClient $client The DynamoDb client. |
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* @param Marshaler $marshaler The Marshaler. |
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* @param string $tableName The table name. |
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*/ |
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public function __construct(DynamoDbClient $client, Marshaler $marshaler, string $tableName) |
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{ |
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parent::__construct($client, $marshaler); |
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$this->setTableName($tableName); |
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} |
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final public function setConsistentRead(bool $consistentRead): SearchOperationInterface |
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{ |
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$this->consistentRead = $consistentRead; |
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return $this; |
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} |
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final public function setIndexName(string $indexName): SearchOperationInterface |
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{ |
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$this->indexName = $indexName; |
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return $this; |
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} |
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final public function setSelect(string $select): SearchOperationInterface |
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{ |
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$this->select = $select; |
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return $this; |
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} |
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final public function setProjectionExpression(string $projectionExpression): SearchOperationInterface |
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{ |
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$this->projectionExpression = $projectionExpression; |
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return $this; |
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} |
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public function toArray(): array |
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{ |
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$operation = $this->tableAwareTraitToArray(); |
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if ($this->offset || $this->limit) { |
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$operation += $this->limitAwareTraitToArray(); |
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} |
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$operation += $this->returnConsumedCapacityAwareTraitToArray(); |
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$operation += $this->expressionAwareTraitToArray(); |
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$operation['ConsistentRead'] = $this->consistentRead; |
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if (!empty($this->indexName)) { |
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$operation['IndexName'] = $this->indexName; |
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} |
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if (!empty($this->select)) { |
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$operation['Select'] = $this->select; |
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} |
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if (!empty($this->projectionExpression)) { |
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$operation['ProjectionExpression'] = $this->projectionExpression; |
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} |
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return $operation; |
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} |
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} |
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In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
integer
values, zero is a special case, in particular the following results might be unexpected: