Rajout de doctrine/orm

[zf2.biz/application_blanche.git] / vendor / doctrine / orm / lib / Doctrine / ORM / Persisters / SqlExpressionVisitor.php

diff --git a/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/SqlExpressionVisitor.php b/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/SqlExpressionVisitor.php
new file mode 100644 (file)
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+++ b/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/SqlExpressionVisitor.php
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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\Persisters;
+
+use Doctrine\Common\Collections\Expr\ExpressionVisitor;
+use Doctrine\Common\Collections\Expr\Comparison;
+use Doctrine\Common\Collections\Expr\Value;
+use Doctrine\Common\Collections\Expr\CompositeExpression;
+
+/**
+ * Visit Expressions and generate SQL WHERE conditions from them.
+ *
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @since 2.3
+ */
+class SqlExpressionVisitor extends ExpressionVisitor
+{
+    /**
+     * @var \Doctrine\ORM\Persisters\BasicEntityPersister
+     */
+    private $persister;
+
+    /**
+     * @param \Doctrine\ORM\Persisters\BasicEntityPersister $persister
+     */
+    public function __construct(BasicEntityPersister $persister)
+    {
+        $this->persister = $persister;
+    }
+
+    /**
+     * Convert a comparison expression into the target query language output
+     *
+     * @param \Doctrine\Common\Collections\Expr\Comparison $comparison
+     *
+     * @return mixed
+     */
+    public function walkComparison(Comparison $comparison)
+    {
+        $field = $comparison->getField();
+        $value = $comparison->getValue()->getValue(); // shortcut for walkValue()
+
+        return $this->persister->getSelectConditionStatementSQL($field, $value, null, $comparison->getOperator());
+    }
+
+    /**
+     * Convert a composite expression into the target query language output
+     *
+     * @param \Doctrine\Common\Collections\Expr\CompositeExpression $expr
+     *
+     * @return mixed
+     */
+    public function walkCompositeExpression(CompositeExpression $expr)
+    {
+        $expressionList = array();
+
+        foreach ($expr->getExpressionList() as $child) {
+            $expressionList[] = $this->dispatch($child);
+        }
+
+        switch($expr->getType()) {
+            case CompositeExpression::TYPE_AND:
+                return '(' . implode(' AND ', $expressionList) . ')';
+
+            case CompositeExpression::TYPE_OR:
+                return '(' . implode(' OR ', $expressionList) . ')';
+
+            default:
+                throw new \RuntimeException("Unknown composite " . $expr->getType());
+        }
+    }
+
+    /**
+     * Convert a value expression into the target query language part.
+     *
+     * @param \Doctrine\Common\Collections\Expr\Value $value
+     *
+     * @return mixed
+     */
+    public function walkValue(Value $value)
+    {
+        return '?';
+    }
+}
+