sintonia/library/propel/runtime/lib/map/ColumnMap.php

465 lines
11 KiB
PHP

<?php
/**
* This file is part of the Propel package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
/**
* ColumnMap is used to model a column of a table in a database.
*
* GENERAL NOTE
* ------------
* The propel.map classes are abstract building-block classes for modeling
* the database at runtime. These classes are similar (a lite version) to the
* propel.engine.database.model classes, which are build-time modeling classes.
* These classes in themselves do not do any database metadata lookups.
*
* @author Hans Lellelid <hans@xmpl.org> (Propel)
* @author John D. McNally <jmcnally@collab.net> (Torque)
* @version $Revision: 1612 $
* @package propel.runtime.map
*/
class ColumnMap
{
// Propel type of the column
protected $type;
// Size of the column
protected $size = 0;
// Is it a primary key?
protected $pk = false;
// Is null value allowed?
protected $notNull = false;
// The default value for this column
protected $defaultValue;
// Name of the table that this column is related to
protected $relatedTableName = "";
// Name of the column that this column is related to
protected $relatedColumnName = "";
// The TableMap for this column
protected $table;
// The name of the column
protected $columnName;
// The php name of the column
protected $phpName;
// The validators for this column
protected $validators = array();
/**
* Constructor.
*
* @param string $name The name of the column.
* @param TableMap containingTable TableMap of the table this column is in.
*/
public function __construct($name, TableMap $containingTable)
{
$this->columnName = $name;
$this->table = $containingTable;
}
/**
* Get the name of a column.
*
* @return string A String with the column name.
*/
public function getName()
{
return $this->columnName;
}
/**
* Get the table map this column belongs to.
* @return TableMap
*/
public function getTable()
{
return $this->table;
}
/**
* Get the name of the table this column is in.
*
* @return string A String with the table name.
*/
public function getTableName()
{
return $this->table->getName();
}
/**
* Get the table name + column name.
*
* @return string A String with the full column name.
*/
public function getFullyQualifiedName()
{
return $this->getTableName() . "." . $this->columnName;
}
/**
* Set the php anme of this column.
*
* @param string $phpName A string representing the PHP name.
* @return void
*/
public function setPhpName($phpName)
{
$this->phpName = $phpName;
}
/**
* Get the name of a column.
*
* @return string A String with the column name.
*/
public function getPhpName()
{
return $this->phpName;
}
/**
* Set the Propel type of this column.
*
* @param string $type A string representing the Propel type (e.g. PropelColumnTypes::DATE).
* @return void
*/
public function setType($type)
{
$this->type = $type;
}
/**
* Get the Propel type of this column.
*
* @return string A string representing the Propel type (e.g. PropelColumnTypes::DATE).
*/
public function getType()
{
return $this->type;
}
/**
* Get the PDO type of this column.
*
* @return int The PDO::PARMA_* value
*/
public function getPdoType()
{
return PropelColumnTypes::getPdoType($this->type);
}
/**
* Whether this is a BLOB, LONGVARBINARY, or VARBINARY.
* @return boolean
*/
public function isLob()
{
return ($this->type == PropelColumnTypes::BLOB || $this->type == PropelColumnTypes::VARBINARY || $this->type == PropelColumnTypes::LONGVARBINARY);
}
/**
* Whether this is a DATE/TIME/TIMESTAMP column.
*
* @return boolean
* @since 1.3
*/
public function isTemporal()
{
return ($this->type == PropelColumnTypes::TIMESTAMP || $this->type == PropelColumnTypes::DATE || $this->type == PropelColumnTypes::TIME || $this->type == PropelColumnTypes::BU_DATE || $this->type == PropelColumnTypes::BU_TIMESTAMP);
}
/**
* Whether this is a DATE/TIME/TIMESTAMP column that is post-epoch (1970).
*
* PHP cannot handle pre-epoch timestamps well -- hence the need to differentiate
* between epoch and pre-epoch timestamps.
*
* @return boolean
* @deprecated Propel supports non-epoch dates
*/
public function isEpochTemporal()
{
return ($this->type == PropelColumnTypes::TIMESTAMP || $this->type == PropelColumnTypes::DATE || $this->type == PropelColumnTypes::TIME);
}
/**
* Whether this column is numeric (int, decimal, bigint etc).
* @return boolean
*/
public function isNumeric()
{
return ($this->type == PropelColumnTypes::NUMERIC || $this->type == PropelColumnTypes::DECIMAL || $this->type == PropelColumnTypes::TINYINT || $this->type == PropelColumnTypes::SMALLINT || $this->type == PropelColumnTypes::INTEGER || $this->type == PropelColumnTypes::BIGINT || $this->type == PropelColumnTypes::REAL || $this->type == PropelColumnTypes::FLOAT || $this->type == PropelColumnTypes::DOUBLE);
}
/**
* Whether this column is a text column (varchar, char, longvarchar).
* @return boolean
*/
public function isText()
{
return ($this->type == PropelColumnTypes::VARCHAR || $this->type == PropelColumnTypes::LONGVARCHAR || $this->type == PropelColumnTypes::CHAR);
}
/**
* Set the size of this column.
*
* @param int $size An int specifying the size.
* @return void
*/
public function setSize($size)
{
$this->size = $size;
}
/**
* Get the size of this column.
*
* @return int An int specifying the size.
*/
public function getSize()
{
return $this->size;
}
/**
* Set if this column is a primary key or not.
*
* @param boolean $pk True if column is a primary key.
* @return void
*/
public function setPrimaryKey($pk)
{
$this->pk = $pk;
}
/**
* Is this column a primary key?
*
* @return boolean True if column is a primary key.
*/
public function isPrimaryKey()
{
return $this->pk;
}
/**
* Set if this column may be null.
*
* @param boolean nn True if column may be null.
* @return void
*/
public function setNotNull($nn)
{
$this->notNull = $nn;
}
/**
* Is null value allowed ?
*
* @return boolean True if column may not be null.
*/
public function isNotNull()
{
return ($this->notNull || $this->isPrimaryKey());
}
/**
* Sets the default value for this column.
* @param mixed $defaultValue the default value for the column
* @return void
*/
public function setDefaultValue($defaultValue)
{
$this->defaultValue = $defaultValue;
}
/**
* Gets the default value for this column.
* @return mixed String or NULL
*/
public function getDefaultValue()
{
return $this->defaultValue;
}
/**
* Set the foreign key for this column.
*
* @param string tableName The name of the table that is foreign.
* @param string columnName The name of the column that is foreign.
* @return void
*/
public function setForeignKey($tableName, $columnName)
{
if ($tableName && $columnName) {
$this->relatedTableName = $tableName;
$this->relatedColumnName = $columnName;
} else {
$this->relatedTableName = "";
$this->relatedColumnName = "";
}
}
/**
* Is this column a foreign key?
*
* @return boolean True if column is a foreign key.
*/
public function isForeignKey()
{
if ($this->relatedTableName) {
return true;
} else {
return false;
}
}
/**
* Get the RelationMap object for this foreign key
*/
public function getRelation()
{
if(!$this->relatedTableName) return null;
foreach ($this->getTable()->getRelations() as $name => $relation)
{
if($relation->getType() == RelationMap::MANY_TO_ONE)
{
if ($relation->getForeignTable()->getName() == $this->getRelatedTableName()
&& array_key_exists($this->getFullyQualifiedName(), $relation->getColumnMappings()))
{
return $relation;
}
}
}
}
/**
* Get the table.column that this column is related to.
*
* @return string A String with the full name for the related column.
*/
public function getRelatedName()
{
return $this->relatedTableName . "." . $this->relatedColumnName;
}
/**
* Get the table name that this column is related to.
*
* @return string A String with the name for the related table.
*/
public function getRelatedTableName()
{
return $this->relatedTableName;
}
/**
* Get the column name that this column is related to.
*
* @return string A String with the name for the related column.
*/
public function getRelatedColumnName()
{
return $this->relatedColumnName;
}
/**
* Get the TableMap object that this column is related to.
*
* @return TableMap The related TableMap object
* @throws PropelException when called on a column with no foreign key
*/
public function getRelatedTable()
{
if ($this->relatedTableName) {
return $this->table->getDatabaseMap()->getTable($this->relatedTableName);
} else {
throw new PropelException("Cannot fetch RelatedTable for column with no foreign key: " . $this->columnName);
}
}
/**
* Get the TableMap object that this column is related to.
*
* @return ColumnMap The related ColumnMap object
* @throws PropelException when called on a column with no foreign key
*/
public function getRelatedColumn()
{
return $this->getRelatedTable()->getColumn($this->relatedColumnName);
}
public function addValidator($validator)
{
$this->validators[] = $validator;
}
public function hasValidators()
{
return count($this->validators) > 0;
}
public function getValidators()
{
return $this->validators;
}
/**
* Performs DB-specific ignore case, but only if the column type necessitates it.
* @param string $str The expression we want to apply the ignore case formatting to (e.g. the column name).
* @param DBAdapter $db
*/
public function ignoreCase($str, DBAdapter $db)
{
if ($this->isText()) {
return $db->ignoreCase($str);
} else {
return $str;
}
}
/**
* Normalizes the column name, removing table prefix and uppercasing.
*
* article.first_name becomes FIRST_NAME
*
* @param string $name
* @return string Normalized column name.
*/
public static function normalizeName($name)
{
if (false !== ($pos = strpos($name, '.'))) {
$name = substr($name, $pos + 1);
}
$name = strtoupper($name);
return $name;
}
// deprecated methods
/**
* Gets column name
* @deprecated Use getName() instead
* @return string
* @deprecated Use getName() instead.
*/
public function getColumnName()
{
return $this->getName();
}
}