From bcb8edf65dc9aeb51e893240f724a333f3e5ace4 Mon Sep 17 00:00:00 2001
From: juliensantos87 <julien.santos87@gmail.com>
Date: Fri, 20 Feb 2015 15:26:19 +0100
Subject: [PATCH] Parent-Child filters

---
 Filter/HasChildFilter.php  | 70 ++++++++++++++++++++++++++++++++++++++
 Filter/HasParentFilter.php | 70 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 Filter/HasChildFilter.php
 create mode 100644 Filter/HasParentFilter.php

diff --git a/Filter/HasChildFilter.php b/Filter/HasChildFilter.php
new file mode 100644
index 0000000..35957b4
--- /dev/null
+++ b/Filter/HasChildFilter.php
@@ -0,0 +1,70 @@
+<?php
+
+/*
+ * This file is part of the ONGR package.
+ *
+ * (c) NFQ Technologies UAB <info@nfq.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace ONGR\ElasticsearchBundle\DSL\Filter;
+
+use ONGR\ElasticsearchBundle\DSL\BuilderInterface;
+use ONGR\ElasticsearchBundle\DSL\ParametersTrait;
+
+/**
+ * Elasticsearch has_child filter.
+ */
+class HasChildFilter implements BuilderInterface
+{
+    use ParametersTrait;
+
+    /**
+     * @var string
+     */
+    private $type;
+
+    /**
+     * @var string
+     */
+    private $query;
+
+    /**
+     * @param string           $type
+     * @param BuilderInterface $query
+     * @param array            $parameters
+     */
+    public function __construct($type, BuilderInterface $query, array $parameters = [])
+    {
+        $this->type = $type;
+        $this->query = $query;
+        $this->setParameters($parameters);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getType()
+    {
+        return 'has_child';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function toArray()
+    {
+        $query = [
+            'type' => $this->type,
+            'query' => [
+                $this->query->getType() => $this->query->toArray(),
+            ],
+        ];
+
+        $output = $this->processArray($query);
+
+        return $output;
+    }
+}
diff --git a/Filter/HasParentFilter.php b/Filter/HasParentFilter.php
new file mode 100644
index 0000000..4cc502d
--- /dev/null
+++ b/Filter/HasParentFilter.php
@@ -0,0 +1,70 @@
+<?php
+
+/*
+ * This file is part of the ONGR package.
+ *
+ * (c) NFQ Technologies UAB <info@nfq.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace ONGR\ElasticsearchBundle\DSL\Filter;
+
+use ONGR\ElasticsearchBundle\DSL\BuilderInterface;
+use ONGR\ElasticsearchBundle\DSL\ParametersTrait;
+
+/**
+ * Elasticsearch has_parent filter.
+ */
+class HasParentFilter implements BuilderInterface
+{
+    use ParametersTrait;
+
+    /**
+     * @var string
+     */
+    private $parentType;
+
+    /**
+     * @var BuilderInterface
+     */
+    private $query;
+
+    /**
+     * @param string           $parentType
+     * @param BuilderInterface $query
+     * @param array            $parameters
+     */
+    public function __construct($parentType, BuilderInterface $query, array $parameters = [])
+    {
+        $this->parentType = $parentType;
+        $this->query = $query;
+        $this->setParameters($parameters);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getType()
+    {
+        return 'has_parent';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function toArray()
+    {
+        $query = [
+            'parent_type' => $this->parentType,
+            'query' => [
+                $this->query->getType() => $this->query->toArray(),
+            ],
+        ];
+
+        $output = $this->processArray($query);
+
+        return $output;
+    }
+}
-- 
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