Current File : /home2/selectio/public_html/fms-worksuite/vendor/doctrine/dbal/src/Schema/ForeignKeyConstraint.php
<?php
namespace Doctrine\DBAL\Schema;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use function array_keys;
use function array_map;
use function strrpos;
use function strtolower;
use function strtoupper;
use function substr;
/**
* An abstraction class for a foreign key constraint.
*/
class ForeignKeyConstraint extends AbstractAsset implements Constraint
{
/**
* Instance of the referencing table the foreign key constraint is associated with.
*
* @var Table
*/
protected $_localTable;
/**
* Asset identifier instances of the referencing table column names the foreign key constraint is associated with.
* array($columnName => Identifier)
*
* @var Identifier[]
*/
protected $_localColumnNames;
/**
* Table or asset identifier instance of the referenced table name the foreign key constraint is associated with.
*
* @var Table|Identifier
*/
protected $_foreignTableName;
/**
* Asset identifier instances of the referenced table column names the foreign key constraint is associated with.
* array($columnName => Identifier)
*
* @var Identifier[]
*/
protected $_foreignColumnNames;
/**
* Options associated with the foreign key constraint.
*
* @var mixed[]
*/
protected $_options;
/**
* Initializes the foreign key constraint.
*
* @param string[] $localColumnNames Names of the referencing table columns.
* @param Table|string $foreignTableName Referenced table.
* @param string[] $foreignColumnNames Names of the referenced table columns.
* @param string|null $name Name of the foreign key constraint.
* @param mixed[] $options Options associated with the foreign key constraint.
*/
public function __construct(
array $localColumnNames,
$foreignTableName,
array $foreignColumnNames,
$name = null,
array $options = []
) {
if ($name !== null) {
$this->_setName($name);
}
$this->_localColumnNames = $this->createIdentifierMap($localColumnNames);
if ($foreignTableName instanceof Table) {
$this->_foreignTableName = $foreignTableName;
} else {
$this->_foreignTableName = new Identifier($foreignTableName);
}
$this->_foreignColumnNames = $this->createIdentifierMap($foreignColumnNames);
$this->_options = $options;
}
/**
* @param string[] $names
*
* @return Identifier[]
*/
private function createIdentifierMap(array $names): array
{
$identifiers = [];
foreach ($names as $name) {
$identifiers[$name] = new Identifier($name);
}
return $identifiers;
}
/**
* Returns the name of the referencing table
* the foreign key constraint is associated with.
*
* @deprecated Use the table that contains the foreign key as part of its {@see Table::$_fkConstraints} instead.
*
* @return string
*/
public function getLocalTableName()
{
return $this->_localTable->getName();
}
/**
* Sets the Table instance of the referencing table
* the foreign key constraint is associated with.
*
* @deprecated Use the table that contains the foreign key as part of its {@see Table::$_fkConstraints} instead.
*
* @param Table $table Instance of the referencing table.
*
* @return void
*/
public function setLocalTable(Table $table)
{
$this->_localTable = $table;
}
/**
* @deprecated Use the table that contains the foreign key as part of its {@see Table::$_fkConstraints} instead.
*
* @return Table
*/
public function getLocalTable()
{
return $this->_localTable;
}
/**
* Returns the names of the referencing table columns
* the foreign key constraint is associated with.
*
* @return string[]
*/
public function getLocalColumns()
{
return array_keys($this->_localColumnNames);
}
/**
* Returns the quoted representation of the referencing table column names
* the foreign key constraint is associated with.
*
* But only if they were defined with one or the referencing table column name
* is a keyword reserved by the platform.
* Otherwise the plain unquoted value as inserted is returned.
*
* @param AbstractPlatform $platform The platform to use for quotation.
*
* @return string[]
*/
public function getQuotedLocalColumns(AbstractPlatform $platform)
{
$columns = [];
foreach ($this->_localColumnNames as $column) {
$columns[] = $column->getQuotedName($platform);
}
return $columns;
}
/**
* Returns unquoted representation of local table column names for comparison with other FK
*
* @return string[]
*/
public function getUnquotedLocalColumns()
{
return array_map([$this, 'trimQuotes'], $this->getLocalColumns());
}
/**
* Returns unquoted representation of foreign table column names for comparison with other FK
*
* @return string[]
*/
public function getUnquotedForeignColumns()
{
return array_map([$this, 'trimQuotes'], $this->getForeignColumns());
}
/**
* {@inheritDoc}
*
* @deprecated Use {@see getLocalColumns()} instead.
*
* @see getLocalColumns
*/
public function getColumns()
{
return $this->getLocalColumns();
}
/**
* Returns the quoted representation of the referencing table column names
* the foreign key constraint is associated with.
*
* But only if they were defined with one or the referencing table column name
* is a keyword reserved by the platform.
* Otherwise the plain unquoted value as inserted is returned.
*
* @deprecated Use {@see getQuotedLocalColumns()} instead.
*
* @see getQuotedLocalColumns
*
* @param AbstractPlatform $platform The platform to use for quotation.
*
* @return string[]
*/
public function getQuotedColumns(AbstractPlatform $platform)
{
return $this->getQuotedLocalColumns($platform);
}
/**
* Returns the name of the referenced table
* the foreign key constraint is associated with.
*
* @return string
*/
public function getForeignTableName()
{
return $this->_foreignTableName->getName();
}
/**
* Returns the non-schema qualified foreign table name.
*
* @return string
*/
public function getUnqualifiedForeignTableName()
{
$name = $this->_foreignTableName->getName();
$position = strrpos($name, '.');
if ($position !== false) {
$name = substr($name, $position + 1);
}
return strtolower($name);
}
/**
* Returns the quoted representation of the referenced table name
* the foreign key constraint is associated with.
*
* But only if it was defined with one or the referenced table name
* is a keyword reserved by the platform.
* Otherwise the plain unquoted value as inserted is returned.
*
* @param AbstractPlatform $platform The platform to use for quotation.
*
* @return string
*/
public function getQuotedForeignTableName(AbstractPlatform $platform)
{
return $this->_foreignTableName->getQuotedName($platform);
}
/**
* Returns the names of the referenced table columns
* the foreign key constraint is associated with.
*
* @return string[]
*/
public function getForeignColumns()
{
return array_keys($this->_foreignColumnNames);
}
/**
* Returns the quoted representation of the referenced table column names
* the foreign key constraint is associated with.
*
* But only if they were defined with one or the referenced table column name
* is a keyword reserved by the platform.
* Otherwise the plain unquoted value as inserted is returned.
*
* @param AbstractPlatform $platform The platform to use for quotation.
*
* @return string[]
*/
public function getQuotedForeignColumns(AbstractPlatform $platform)
{
$columns = [];
foreach ($this->_foreignColumnNames as $column) {
$columns[] = $column->getQuotedName($platform);
}
return $columns;
}
/**
* Returns whether or not a given option
* is associated with the foreign key constraint.
*
* @param string $name Name of the option to check.
*
* @return bool
*/
public function hasOption($name)
{
return isset($this->_options[$name]);
}
/**
* Returns an option associated with the foreign key constraint.
*
* @param string $name Name of the option the foreign key constraint is associated with.
*
* @return mixed
*/
public function getOption($name)
{
return $this->_options[$name];
}
/**
* Returns the options associated with the foreign key constraint.
*
* @return mixed[]
*/
public function getOptions()
{
return $this->_options;
}
/**
* Returns the referential action for UPDATE operations
* on the referenced table the foreign key constraint is associated with.
*
* @return string|null
*/
public function onUpdate()
{
return $this->onEvent('onUpdate');
}
/**
* Returns the referential action for DELETE operations
* on the referenced table the foreign key constraint is associated with.
*
* @return string|null
*/
public function onDelete()
{
return $this->onEvent('onDelete');
}
/**
* Returns the referential action for a given database operation
* on the referenced table the foreign key constraint is associated with.
*
* @param string $event Name of the database operation/event to return the referential action for.
*/
private function onEvent($event): ?string
{
if (isset($this->_options[$event])) {
$onEvent = strtoupper($this->_options[$event]);
if ($onEvent !== 'NO ACTION' && $onEvent !== 'RESTRICT') {
return $onEvent;
}
}
return null;
}
/**
* Checks whether this foreign key constraint intersects the given index columns.
*
* Returns `true` if at least one of this foreign key's local columns
* matches one of the given index's columns, `false` otherwise.
*
* @param Index $index The index to be checked against.
*
* @return bool
*/
public function intersectsIndexColumns(Index $index)
{
foreach ($index->getColumns() as $indexColumn) {
foreach ($this->_localColumnNames as $localColumn) {
if (strtolower($indexColumn) === strtolower($localColumn->getName())) {
return true;
}
}
}
return false;
}
}
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