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File: DATA/AssociativeIndexingStrategy.php


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  Classes of Martin Alterisio  >  DATA  >  DATA/AssociativeIndexingStrategy.php  
File: DATA/AssociativeIndexingStrategy.php
Role: Class source
Content type: text/plain
Description: An interface to algorithmic solutions for mapping an associative array index to rows in a database table.
Class: DATA
Access data stored in MySQL tables like arrays
 

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<?php
/**
 * @package DATA
 */

/**
 * An interface to algorithmic solutions for mapping an
 * associative array index to rows in a database table.
 */
interface DATA_AssociativeIndexingStrategy {
    /**
     * Indicates if this indexing strategy matches single rows.
     * 
     * Throws {@link DATA_IndexingStrategyException}.
     * 
     * @return boolean True if indexing strategy matches single rows.
     */
    public function isSingleRowIndexing();
    /**
     * Returns inboxed version of the row offset provided.
     * 
     * Throws {@link DATA_IndexingStrategyException}.
     * 
     * @param string|DATA_SQLType $row The row offset.
     * @return DATA_SQLType Inboxed row offset.
     */
    public function inboxRowOffset($row);
    /**
     * Builds where conditions to select rows by the index used for array access.
     * 
     * Throws {@link DATA_IndexingStrategyException}.
     * 
     * @param DATA_SQLType $row The row offset.
     * @return string SQL where conditions to select the requested row.
     */
    public function buildWhereConditions($row);
    /**
     * Returns extra fields and values to be added on the insert of a row object.
     * 
     * Throws {@link DATA_IndexingStrategyException}.
     * 
     * @param DATA_SQLType $row The row offset.
     * @return array Additional fields to be added on insert.
     */
    public function getAdditionalInsertFields($row);
} 
?>

 
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