Doctrine_Validator_Unique Class Reference

Inherits Doctrine_Validator_Driver.

Public Member Functions
	__get ($arg)
	__isset ($arg)
	__set ($arg, $value)
	getArg ($arg)
	getArgs ()
	setArg ($arg, $value)
	validate ($value)

Detailed Description

Definition at line 33 of file Unique.php.

Member Function Documentation

Doctrine_Validator_Driver::__get (   $arg )

inherited

__get an alias for getOption

Parameters

string

$arg

Definition at line 48 of file Driver.php.

    {
        if (isset($this->args[$arg])) {
            return $this->args[$arg];
        }
        return null;
    }

Doctrine_Validator_Driver::__isset (   $arg )

inherited

__isset

Parameters

string

$arg

Definition at line 61 of file Driver.php.

    {
        return isset($this->args[$arg]);
    }

Doctrine_Validator_Driver::__set (   $arg,   $value  )

inherited

sets given value to an argument

Parameters

$arg	the name of the option to be changed
$value	the value of the option

Returns

Doctrine_Validator_Driver this object

Definition at line 73 of file Driver.php.

    {
        $this->args[$arg] = $value;
        
        return $this;
    }

Doctrine_Validator_Driver::getArg (   $arg )

inherited

returns the value of an argument

Parameters

$arg	the name of the option to retrieve

Returns

mixed the value of the option

Definition at line 86 of file Driver.php.

    {
        if ( ! isset($this->args[$arg])) {
            throw new Doctrine_Validator_Exception('Unknown option ' . $arg);
        }
        
        return $this->args[$arg];
    }

Doctrine_Validator_Driver::getArgs ( )

inherited

returns all args and their associated values

Returns

array all args as an associative array

Definition at line 114 of file Driver.php.

    {
        return $this->args;
    }

Doctrine_Validator_Driver::setArg (   $arg,   $value  )

inherited

sets given value to an argument

Parameters

$arg	the name of the option to be changed
$value	the value of the option

Returns

Doctrine_Validator_Driver this object

Definition at line 102 of file Driver.php.

    {
        $this->args[$arg] = $value;
        
        return $this;
    }

Doctrine_Validator_Unique::validate

(

$value

)

checks if given value is unique

Parameters

mixed

$value

Returns

boolean

Definition at line 41 of file Unique.php.

    {
        if (is_null($value)) {
            return true;
        }

        $table = $this->invoker->getTable();
        $conn = $table->getConnection();
        $pks = $table->getIdentifierColumnNames();

        if (is_array($pks)) {
            for ($i = 0, $l = count($pks); $i < $l; $i++) {
                $pks[$i] = $conn->quoteIdentifier($pks[$i]);
            }
            
            $pks = implode(', ', $pks);
        }

        $sql = 'SELECT ' . $pks . ' FROM ' . $conn->quoteIdentifier($table->getTableName()) . ' WHERE ';
        
        if (is_array($this->field)) {
            foreach ($this->field as $k => $v) {
                $this->field[$k] = $conn->quoteIdentifier($table->getColumnName($v));
            }
        
            $sql .= implode(' = ? AND ', $this->field) . ' = ?';
            $values = $value;
        } else {
            $sql .= $conn->quoteIdentifier($table->getColumnName($this->field)) . ' = ?';
            $values = array();
            $values[] = $value;
        }
        
        // If the record is not new we need to add primary key checks because its ok if the 
        // unique value already exists in the database IF the record in the database is the same
        // as the one that is validated here.
        $state = $this->invoker->state();
        if ( ! ($state == Doctrine_Record::STATE_TDIRTY || $state == Doctrine_Record::STATE_TCLEAN)) {
            foreach ((array) $table->getIdentifierColumnNames() as $pk) {
                $sql .= ' AND ' . $conn->quoteIdentifier($pk) . ' != ?';
                $pkFieldName = $table->getFieldName($pk);
                $values[] = $this->invoker->$pkFieldName;
            }
        }

        if (isset($this->args) && is_array($this->args) && isset($this->args['where'])) {
            $sql .= ' AND ' . $this->args['where'];
        }

        $stmt  = $table->getConnection()->getDbh()->prepare($sql);
        $stmt->execute($values);

        return ( ! is_array($stmt->fetch()));
    }

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The documentation for this class was generated from the following file:

• Doctrine-1.2.4/Doctrine/Validator/Unique.php