2009-04-09 22:12:48 +04:00
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<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Query;
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/**
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* A ResultSetMapping describes how a result set of an SQL query maps to a Doctrine result.
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*
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2009-05-14 18:57:08 +04:00
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* IMPORTANT NOTE:
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2009-07-30 19:16:02 +04:00
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* The properties of this class are only public for fast internal READ access and to (drastically)
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* reduce the size of serialized instances for more effective caching due to better (un-)serialization
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* performance.
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*
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2009-05-14 18:57:08 +04:00
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* Users should use the public methods.
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*
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2009-04-09 22:12:48 +04:00
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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2009-07-30 19:16:02 +04:00
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* @todo Do not store AssociationMappings in $relationMap. These bloat serialized instances
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* and in turn unserialize performance suffers which is important for most effective caching.
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2009-04-09 22:12:48 +04:00
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*/
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class ResultSetMapping
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{
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/** Whether the result is mixed (contains scalar values together with field values). */
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public $isMixed = false;
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/** Maps alias names to ClassMetadata descriptors. */
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public $aliasMap = array();
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/** Maps alias names to related association mappings. */
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public $relationMap = array();
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/** Maps alias names to parent alias names. */
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public $parentAliasMap = array();
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/** Maps column names in the result set to field names for each class. */
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public $fieldMappings = array();
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/** Maps column names in the result set to the alias to use in the mapped result. */
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public $scalarMappings = array();
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/** Maps column names of meta columns (foreign keys, discriminator columns, ...) to field names. */
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public $metaMappings = array();
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/** Maps column names in the result set to the alias they belong to. */
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public $columnOwnerMap = array();
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/** List of columns in the result set that are used as discriminator columns. */
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public $discriminatorColumns = array();
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/** Maps alias names to field names that should be used for indexing. */
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public $indexByMap = array();
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/** A list of columns that should be ignored/skipped during hydration. */
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//public $ignoredColumns = array();
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/**
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* Adds an entity result to this ResultSetMapping.
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*
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* @param string $class The class name of the entity.
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* @param string $alias The alias for the class. The alias must be unique among all entity
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* results or joined entity results within this ResultSetMapping.
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*/
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public function addEntityResult($class, $alias)
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{
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$this->aliasMap[$alias] = $class;
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Sets a discriminator column for an entity result or joined entity result.
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* The discriminator column will be used to determine the concrete class name to
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* instantiate.
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*
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* @param string $alias The alias of the entity result or joined entity result the discriminator
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* column should be used for.
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* @param string $discrColumn The name of the discriminator column in the SQL result set.
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*/
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public function setDiscriminatorColumn($alias, $discrColumn)
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{
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$this->discriminatorColumns[$alias] = $discrColumn;
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$this->columnOwnerMap[$discrColumn] = $alias;
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Sets a field to use for indexing an entity result or joined entity result.
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*
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* @param string $alias The alias of an entity result or joined entity result.
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* @param string $fieldName The name of the field to use for indexing.
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*/
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public function addIndexBy($alias, $fieldName)
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{
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$this->indexByMap[$alias] = $fieldName;
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2009-04-09 22:12:48 +04:00
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Checks whether an entity result or joined entity result with a given alias has
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* a field set for indexing.
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2009-05-14 22:34:12 +04:00
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*
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* @param string $alias
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* @return boolean
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*/
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public function hasIndexBy($alias)
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{
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return isset($this->indexByMap[$alias]);
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2009-04-09 22:12:48 +04:00
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Checks whether the column with the given name is mapped as a field result
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* as part of an entity result or joined entity result.
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*
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* @param string $columnName The name of the column in the SQL result set.
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* @return boolean
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*/
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public function isFieldResult($columnName)
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{
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return isset($this->fieldMappings[$columnName]);
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Adds a field result that is part of an entity result or joined entity result.
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*
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* @param string $alias The alias of the entity result or joined entity result.
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* @param string $columnName The name of the column in the SQL result set.
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* @param string $fieldName The name of the field on the (joined) entity.
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*/
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public function addFieldResult($alias, $columnName, $fieldName)
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{
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$this->fieldMappings[$columnName] = $fieldName;
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$this->columnOwnerMap[$columnName] = $alias;
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if ( ! $this->isMixed && $this->scalarMappings) {
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$this->isMixed = true;
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}
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Adds a joined entity result.
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*
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* @param string $class The class name of the joined entity.
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* @param string $alias The unique alias to use for the joined entity.
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* @param string $parentAlias The alias of the entity result that is the parent of this joined result.
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* @param object $relation The association that connects the parent entity result with the joined entity result.
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*/
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public function addJoinedEntityResult($class, $alias, $parentAlias, $relation)
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{
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$this->aliasMap[$alias] = $class;
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$this->parentAliasMap[$alias] = $parentAlias;
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$this->relationMap[$alias] = $relation;
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}
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2009-05-28 15:13:12 +04:00
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/**
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* Adds a scalar result mapping.
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*
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* @param string $columnName The name of the column in the SQL result set.
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* @param string $alias The field alias with which the scalar result should be placed in the result structure.
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*/
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public function addScalarResult($columnName, $alias)
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{
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$this->scalarMappings[$columnName] = $alias;
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if ( ! $this->isMixed && $this->fieldMappings) {
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$this->isMixed = true;
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2009-04-12 23:02:12 +04:00
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}
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2009-07-19 20:54:53 +04:00
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}
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2009-04-09 22:12:48 +04:00
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/**
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* Checks whether a column with a given name is mapped as a scalar result.
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*
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* @param string $columName The name of the column in the SQL result set.
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* @return boolean
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*/
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public function isScalarResult($columnName)
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{
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return isset($this->scalarMappings[$columnName]);
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}
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/**
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* Gets the name of the class of an entity result or joined entity result,
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* identified by the given unique alias.
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*
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* @param string $alias
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* @return string
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*/
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public function getClassName($alias)
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{
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return $this->aliasMap[$alias];
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}
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/**
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2009-08-03 17:25:56 +04:00
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* Gets the field alias for a column that is mapped as a scalar value.
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*
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* @param string $columnName The name of the column in the SQL result set.
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* @return string
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*/
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public function getScalarAlias($columnName)
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{
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return $this->scalarMappings[$columnName];
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}
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/**
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* Gets the name of the class that owns a field mapping for the specified column.
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*
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* @param string $columnName
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* @return string
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*/
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public function getOwningClass($columnName)
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{
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return $this->aliasMap[$this->columnOwnerMap[$columnName]];
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}
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2009-05-14 22:34:12 +04:00
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/**
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*
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* @param string $alias
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* @return AssociationMapping
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*/
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public function getRelation($alias)
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{
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return $this->relationMap[$alias];
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}
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2009-05-14 22:34:12 +04:00
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/**
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*
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* @param string $alias
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* @return boolean
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*/
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2009-05-13 19:19:27 +04:00
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public function isRelation($alias)
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{
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return isset($this->relationMap[$alias]);
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}
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2009-04-09 22:12:48 +04:00
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/**
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* Gets the alias of the class that owns a field mapping for the specified column.
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*
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* @param string $columnName
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* @return string
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*/
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public function getEntityAlias($columnName)
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{
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return $this->columnOwnerMap[$columnName];
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}
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/**
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* Gets the parent alias of the given alias.
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*
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* @param string $alias
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* @return string
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*/
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public function getParentAlias($alias)
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{
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return $this->parentAliasMap[$alias];
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}
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2009-05-14 22:34:12 +04:00
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/**
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* Checks whether the given alias has a parent alias.
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*
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* @param string $alias
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* @return boolean
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*/
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public function hasParentAlias($alias)
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{
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return isset($this->parentAliasMap[$alias]);
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}
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/**
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* Gets the field name for a column name.
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*
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* @param string $columnName
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* @return string
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*/
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public function getFieldName($columnName)
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|
|
{
|
2009-05-14 18:57:08 +04:00
|
|
|
return $this->fieldMappings[$columnName];
|
2009-04-09 22:12:48 +04:00
|
|
|
}
|
|
|
|
|
2009-05-14 22:34:12 +04:00
|
|
|
/**
|
|
|
|
*
|
|
|
|
* @return array
|
|
|
|
*/
|
2009-04-09 22:12:48 +04:00
|
|
|
public function getAliasMap()
|
|
|
|
{
|
2009-05-14 18:57:08 +04:00
|
|
|
return $this->aliasMap;
|
2009-04-09 22:12:48 +04:00
|
|
|
}
|
|
|
|
|
2009-05-14 22:34:12 +04:00
|
|
|
/**
|
2009-08-03 17:25:56 +04:00
|
|
|
* Gets the number of different entities that appear in the mapped result.
|
2009-05-14 22:34:12 +04:00
|
|
|
*
|
|
|
|
* @return integer
|
|
|
|
*/
|
2009-04-09 22:12:48 +04:00
|
|
|
public function getEntityResultCount()
|
|
|
|
{
|
2009-05-14 18:57:08 +04:00
|
|
|
return count($this->aliasMap);
|
2009-04-09 22:12:48 +04:00
|
|
|
}
|
2009-04-12 23:02:12 +04:00
|
|
|
|
2009-05-14 22:34:12 +04:00
|
|
|
/**
|
2009-07-20 19:30:54 +04:00
|
|
|
* Checks whether this ResultSetMapping defines a mixed result.
|
|
|
|
* Mixed results can only occur in object and array (graph) hydration. In such a
|
|
|
|
* case a mixed result means that scalar values are mixed with objects/array in
|
|
|
|
* the result.
|
2009-05-14 22:34:12 +04:00
|
|
|
*
|
|
|
|
* @return boolean
|
|
|
|
*/
|
2009-04-12 23:02:12 +04:00
|
|
|
public function isMixedResult()
|
|
|
|
{
|
2009-05-14 18:57:08 +04:00
|
|
|
return $this->isMixed;
|
2009-04-12 23:02:12 +04:00
|
|
|
}
|
2009-07-20 19:30:54 +04:00
|
|
|
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
* @param $alias
|
|
|
|
* @param $columnName
|
|
|
|
* @param $fieldName
|
|
|
|
* @return unknown_type
|
|
|
|
*/
|
|
|
|
public function addMetaResult($alias, $columnName, $fieldName)
|
|
|
|
{
|
|
|
|
$this->metaMappings[$columnName] = $fieldName;
|
|
|
|
$this->columnOwnerMap[$columnName] = $alias;
|
|
|
|
}
|
2009-04-12 23:02:12 +04:00
|
|
|
|
2009-05-14 22:34:12 +04:00
|
|
|
/**
|
|
|
|
* Adds a column name that will be ignored during hydration.
|
|
|
|
*
|
|
|
|
* @param string $columnName
|
|
|
|
*/
|
2009-07-30 19:16:02 +04:00
|
|
|
/*public function addIgnoredColumn($columnName)
|
2009-04-12 23:02:12 +04:00
|
|
|
{
|
2009-05-14 18:57:08 +04:00
|
|
|
$this->ignoredColumns[$columnName] = true;
|
2009-07-30 19:16:02 +04:00
|
|
|
}*/
|
2009-04-12 23:02:12 +04:00
|
|
|
|
2009-05-14 22:34:12 +04:00
|
|
|
/**
|
|
|
|
*
|
|
|
|
* @param string $columnName
|
|
|
|
* @return boolean
|
|
|
|
*/
|
2009-07-30 19:16:02 +04:00
|
|
|
/*public function isIgnoredColumn($columnName)
|
2009-04-12 23:02:12 +04:00
|
|
|
{
|
2009-05-14 18:57:08 +04:00
|
|
|
return isset($this->ignoredColumns[$columnName]);
|
2009-07-30 19:16:02 +04:00
|
|
|
}*/
|
2009-04-09 22:12:48 +04:00
|
|
|
}
|
|
|
|
|