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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query;
use Doctrine\ORM\Mapping\ClassMetadata;
use function array_diff;
use function array_keys;
/**
* Represents a chain of tree walkers that modify an AST and finally emit output.
* Only the last walker in the chain can emit output. Any previous walkers can modify
* the AST to influence the final output produced by the last walker.
*/
class TreeWalkerChain implements TreeWalker
{
/**
* The tree walkers.
*
* @var TreeWalker[]
* @psalm-var TreeWalkerChainIterator
*/
private $_walkers;
/**
* The query components of the original query (the "symbol table") that was produced by the Parser.
*
* @var array<string, array<string, mixed>>
* @psalm-var array<string, array{
* metadata: ClassMetadata,
* parent: string,
* relation: mixed[],
* map: mixed,
* nestingLevel: int,
* token: array
* }>
*/
private $_queryComponents;
/**
* Returns the internal queryComponents array.
*
* {@inheritDoc}
*/
public function getQueryComponents()
{
return $this->_queryComponents;
}
/**
* {@inheritdoc}
*
* @return void
*/
public function setQueryComponent($dqlAlias, array $queryComponent)
{
$requiredKeys = ['metadata', 'parent', 'relation', 'map', 'nestingLevel', 'token'];
if (array_diff($requiredKeys, array_keys($queryComponent))) {
throw QueryException::invalidQueryComponent($dqlAlias);
}
$this->_queryComponents[$dqlAlias] = $queryComponent;
}
/**
* {@inheritdoc}
*/
public function __construct($query, $parserResult, array $queryComponents)
{
$this->_queryComponents = $queryComponents;
$this->_walkers = new TreeWalkerChainIterator($this, $query, $parserResult);
}
/**
* Adds a tree walker to the chain.
*
* @param string $walkerClass The class of the walker to instantiate.
*
* @return void
*/
public function addTreeWalker($walkerClass)
{
$this->_walkers[] = $walkerClass;
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSelectStatement(AST\SelectStatement $AST)
{
foreach ($this->_walkers as $walker) {
$walker->walkSelectStatement($AST);
$this->_queryComponents = $walker->getQueryComponents();
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSelectClause($selectClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkSelectClause($selectClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkFromClause($fromClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkFromClause($fromClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkFunction($function)
{
foreach ($this->_walkers as $walker) {
$walker->walkFunction($function);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkOrderByClause($orderByClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkOrderByClause($orderByClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkOrderByItem($orderByItem)
{
foreach ($this->_walkers as $walker) {
$walker->walkOrderByItem($orderByItem);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkHavingClause($havingClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkHavingClause($havingClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkJoin($join)
{
foreach ($this->_walkers as $walker) {
$walker->walkJoin($join);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSelectExpression($selectExpression)
{
foreach ($this->_walkers as $walker) {
$walker->walkSelectExpression($selectExpression);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkQuantifiedExpression($qExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkQuantifiedExpression($qExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSubselect($subselect)
{
foreach ($this->_walkers as $walker) {
$walker->walkSubselect($subselect);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSubselectFromClause($subselectFromClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkSubselectFromClause($subselectFromClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSimpleSelectClause($simpleSelectClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkSimpleSelectClause($simpleSelectClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSimpleSelectExpression($simpleSelectExpression)
{
foreach ($this->_walkers as $walker) {
$walker->walkSimpleSelectExpression($simpleSelectExpression);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkAggregateExpression($aggExpression)
{
foreach ($this->_walkers as $walker) {
$walker->walkAggregateExpression($aggExpression);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkGroupByClause($groupByClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkGroupByClause($groupByClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkGroupByItem($groupByItem)
{
foreach ($this->_walkers as $walker) {
$walker->walkGroupByItem($groupByItem);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkUpdateStatement(AST\UpdateStatement $AST)
{
foreach ($this->_walkers as $walker) {
$walker->walkUpdateStatement($AST);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkDeleteStatement(AST\DeleteStatement $AST)
{
foreach ($this->_walkers as $walker) {
$walker->walkDeleteStatement($AST);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkDeleteClause(AST\DeleteClause $deleteClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkDeleteClause($deleteClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkUpdateClause($updateClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkUpdateClause($updateClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkUpdateItem($updateItem)
{
foreach ($this->_walkers as $walker) {
$walker->walkUpdateItem($updateItem);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkWhereClause($whereClause)
{
foreach ($this->_walkers as $walker) {
$walker->walkWhereClause($whereClause);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkConditionalExpression($condExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkConditionalExpression($condExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkConditionalTerm($condTerm)
{
foreach ($this->_walkers as $walker) {
$walker->walkConditionalTerm($condTerm);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkConditionalFactor($factor)
{
foreach ($this->_walkers as $walker) {
$walker->walkConditionalFactor($factor);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkConditionalPrimary($condPrimary)
{
foreach ($this->_walkers as $walker) {
$walker->walkConditionalPrimary($condPrimary);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkExistsExpression($existsExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkExistsExpression($existsExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkCollectionMemberExpression($collMemberExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkCollectionMemberExpression($collMemberExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkEmptyCollectionComparisonExpression($emptyCollCompExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkEmptyCollectionComparisonExpression($emptyCollCompExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkNullComparisonExpression($nullCompExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkNullComparisonExpression($nullCompExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkInExpression($inExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkInExpression($inExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkInstanceOfExpression($instanceOfExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkInstanceOfExpression($instanceOfExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkLiteral($literal)
{
foreach ($this->_walkers as $walker) {
$walker->walkLiteral($literal);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkBetweenExpression($betweenExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkBetweenExpression($betweenExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkLikeExpression($likeExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkLikeExpression($likeExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkStateFieldPathExpression($stateFieldPathExpression)
{
foreach ($this->_walkers as $walker) {
$walker->walkStateFieldPathExpression($stateFieldPathExpression);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkComparisonExpression($compExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkComparisonExpression($compExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkInputParameter($inputParam)
{
foreach ($this->_walkers as $walker) {
$walker->walkInputParameter($inputParam);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkArithmeticExpression($arithmeticExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkArithmeticExpression($arithmeticExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkArithmeticTerm($term)
{
foreach ($this->_walkers as $walker) {
$walker->walkArithmeticTerm($term);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkStringPrimary($stringPrimary)
{
foreach ($this->_walkers as $walker) {
$walker->walkStringPrimary($stringPrimary);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkArithmeticFactor($factor)
{
foreach ($this->_walkers as $walker) {
$walker->walkArithmeticFactor($factor);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkSimpleArithmeticExpression($simpleArithmeticExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkSimpleArithmeticExpression($simpleArithmeticExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkPathExpression($pathExpr)
{
foreach ($this->_walkers as $walker) {
$walker->walkPathExpression($pathExpr);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function walkResultVariable($resultVariable)
{
foreach ($this->_walkers as $walker) {
$walker->walkResultVariable($resultVariable);
}
}
/**
* {@inheritdoc}
*
* @return void
*/
public function getExecutor($AST)
{
}
}

vendor/doctrine/orm/lib/Doctrine/ORM/Query/TreeWalkerChain.php line 87