Merge pull request elastic#1506 from jbattermann/develop

Added Min/MaxChildren to HasChildFilterDescriptor

Author: Mpdreamz

src/Nest/DSL/Filter/HasChildFilterDescriptor.cs

@@ -13,6 +13,12 @@ public interface IHasChildFilter : IFilter
 		[JsonProperty("type")]
 		TypeNameMarker Type { get; set; }
 
+		[JsonProperty("min_children")]
+		int? MinChildren { get; set; }
+
+		[JsonProperty("max_children")]
+		int? MaxChildren { get; set; }
+
 		[JsonProperty("query")]
 		IQueryContainer Query { get; set; }
 
@@ -25,7 +31,7 @@ public interface IHasChildFilter : IFilter
 		IInnerHits InnerHits { get; set; }
 
 	}
-	
+
 	public class HasChildFilter : PlainFilter, IHasChildFilter
 	{
 		protected internal override void WrapInContainer(IFilterContainer container)
@@ -34,6 +40,8 @@ protected internal override void WrapInContainer(IFilterContainer container)
 		}
 
 		public TypeNameMarker Type { get; set; }
+		public int? MinChildren { get; set; }
+		public int? MaxChildren { get; set; }
 		public IQueryContainer Query { get; set; }
 		public IFilterContainer Filter { get; set; }
 		public IInnerHits InnerHits { get; set; }
@@ -57,6 +65,10 @@ bool IFilter.IsConditionless
 
 		TypeNameMarker IHasChildFilter.Type { get; set; }
 
+		int? IHasChildFilter.MinChildren { get; set; }
+
+		int? IHasChildFilter.MaxChildren { get; set; }
+
 		IQueryContainer IHasChildFilter.Query { get; set; }
 
 		IFilterContainer IHasChildFilter.Filter { get; set; }
@@ -88,6 +100,18 @@ public HasChildFilterDescriptor<T> Type(string type)
 			return this;
 		}
 
+		public HasChildFilterDescriptor<T> MinChildren(int minChildren)
+		{
+			Self.MinChildren = minChildren;
+			return this;
+		}
+
+		public HasChildFilterDescriptor<T> MaxChildren(int maxChildren)
+		{
+			Self.MaxChildren = maxChildren;
+			return this;
+		}
+
 		public HasChildFilterDescriptor<T> InnerHits()
 		{
 			Self.InnerHits = new InnerHits();