DATAES-236 - Clear the search contexts associated with specified scroll id

src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java

@@ -547,6 +547,14 @@ public interface ElasticsearchOperations {
 	 */
 	<T> Page<T> scroll(String scrollId, long scrollTimeInMillis, SearchResultMapper mapper);
 
+	/**
+	 * Clears the search contexts associated with specified scroll ids.
+	 *
+	 * @param scrollId
+	 *
+	 */
+	<T> void clearScroll(String scrollId);
+
 	/**
 	 * more like this query to search for documents that are "like" a specific document.
 	 *

src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java

@@ -685,6 +685,7 @@ public class ElasticsearchTemplate implements ElasticsearchOperations, Applicati
 			bulkRequestBuilder.execute().actionGet();
 		}
 
+		clearScroll(scrollId);
 	}
 
 	@Override
@@ -791,6 +792,11 @@ public class ElasticsearchTemplate implements ElasticsearchOperations, Applicati
 		return mapper.mapResults(response, null, null);
 	}
 
+	@Override
+	public <T> void clearScroll(String scrollId) {
+		client.prepareClearScroll().addScrollId(scrollId).execute().actionGet();
+	}
+
 	@Override
 	public <T> Page<T> moreLikeThis(MoreLikeThisQuery query, Class<T> clazz) {
 

src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java

@@ -709,6 +709,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -735,6 +736,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -784,6 +786,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -835,6 +838,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -884,6 +888,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -928,6 +933,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -957,6 +963,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}
 
@@ -986,6 +993,7 @@ public class ElasticsearchTemplateTests {
 				hasRecords = false;
 			}
 		}
+		elasticsearchTemplate.clearScroll(scrollId);
 		assertThat(sampleEntities.size(), is(equalTo(30)));
 	}