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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flidr (https://github.com/mvccore)
 * @license  https://mvccore.github.io/docs/mvccore/5.0.0/LICENCE.md
 */

namespace MvcCore\Ext\Models\Db\Readers;

class       Stream 
extends     \MvcCore\Ext\Models\Db\Reader
implements  \MvcCore\Ext\Models\Db\Readers\IStream {

    /**
     * @inheritDocs
     * @param string $fullClassName 
     * @param int $readingFlags 
     * @param string $keyColumnName 
     * @param string $keyType 
     * @return \MvcCore\Ext\Models\Db\Readers\Streams\Iterator
     */
    public function ToInstances ($fullClassName, $readingFlags = 0, $keyColumnName = NULL, $keyType = NULL) {
        $this->iterator = new \MvcCore\Ext\Models\Db\Readers\Streams\Iterator(
            $this, \MvcCore\Ext\Models\Db\Readers\Streams\Iterator::COMPLETER_INSTANCES, 
            [$fullClassName, $readingFlags, $keyColumnName, $keyType]
        );
        return $this->iterator;
    }

    /**
     * @inheritDocs
     * @param string $keyColumnName 
     * @param string $keyType 
     * @return \MvcCore\Ext\Models\Db\Iterator
     */
    public function ToArrays ($keyColumnName = NULL, $keyType = NULL) {
        $this->iterator = new \MvcCore\Ext\Models\Db\Readers\Streams\Iterator(
            $this, \MvcCore\Ext\Models\Db\Readers\Streams\Iterator::COMPLETER_ARRAYS, 
            [$keyColumnName, $keyType]
        );
        return $this->iterator;
    }

    /**
     * @inheritDocs
     * @param string $keyColumnName 
     * @param string $keyType 
     * @return \MvcCore\Ext\Models\Db\Readers\Streams\Iterator
     */
    public function ToObjects ($keyColumnName = NULL, $keyType = NULL) {
        $this->iterator = new \MvcCore\Ext\Models\Db\Readers\Streams\Iterator(
            $this, \MvcCore\Ext\Models\Db\Readers\Streams\Iterator::COMPLETER_OBJECTS, 
            [$keyColumnName, $keyType]
        );
        return $this->iterator;
    }

    /**
     * @inheritDocs
     * @param string $valueColumnName 
     * @param string $valueType 
     * @param string $keyColumnName 
     * @param string $keyType 
     * @return \MvcCore\Ext\Models\Db\Readers\Streams\Iterator
     */
    public function ToScalars ($valueColumnName, $valueType = NULL, $keyColumnName = NULL, $keyType = NULL) {
        $this->iterator = new \MvcCore\Ext\Models\Db\Readers\Streams\Iterator(
            $this, \MvcCore\Ext\Models\Db\Readers\Streams\Iterator::COMPLETER_SCALARS, 
            [$valueColumnName, $valueType, $keyColumnName, $keyType]
        );
        return $this->iterator;
    }

    /**
     * @inheritDocs
     * @param callable $valueCompleter 
     * @param string $keyColumnName 
     * @param string $keyType 
     * @return \MvcCore\Ext\Models\Db\Readers\Streams\Iterator
     */
    public function ToAny (callable $valueCompleter, $keyColumnName = NULL, $keyType = NULL) {
        $this->iterator = new \MvcCore\Ext\Models\Db\Readers\Streams\Iterator(
            $this, \MvcCore\Ext\Models\Db\Readers\Streams\Iterator::COMPLETER_ANY, 
            [$valueCompleter, $keyColumnName, $keyType]
        );
        return $this->iterator;
    }

    /**
     * There is not possible to get all raw data for stram reader.
     * @throws \RuntimeException
     */
    public function GetRawData () {
        throw new \RuntimeException("There is not possible to get all raw data for stram reader.");
    }
}