1 files changed, 50 insertions, 0 deletions
diff --git a/modules/parent-join/src/main/java/org/elasticsearch/join/query/JoinQueryBuilders.java b/modules/parent-join/src/main/java/org/elasticsearch/join/query/JoinQueryBuilders.java
new file mode 100644
index 0000000000..af778f400f
--- /dev/null
+++ b/modules/parent-join/src/main/java/org/elasticsearch/join/query/JoinQueryBuilders.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.elasticsearch.join.query;
+
+import org.apache.lucene.search.join.ScoreMode;
+import org.elasticsearch.index.query.QueryBuilder;
+
+public abstract class JoinQueryBuilders {
+    /**
+     * Constructs a new has_child query, with the child type and the query to run on the child documents. The
+     * results of this query are the parent docs that those child docs matched.
+     *
+     * @param type      The child type.
+     * @param query     The query.
+     * @param scoreMode How the scores from the children hits should be aggregated into the parent hit.
+     */
+    public static HasChildQueryBuilder hasChildQuery(String type, QueryBuilder query, ScoreMode scoreMode) {
+        return new HasChildQueryBuilder(type, query, scoreMode);
+    }
+
+    /**
+     * Constructs a new parent query, with the parent type and the query to run on the parent documents. The
+     * results of this query are the children docs that those parent docs matched.
+     *
+     * @param type      The parent type.
+     * @param query     The query.
+     * @param score     Whether the score from the parent hit should propagate to the child hit
+     */
+    public static HasParentQueryBuilder hasParentQuery(String type, QueryBuilder query, boolean score) {
+        return new HasParentQueryBuilder(type, query, score);
+    }
+
+}