DATAES-18 : Add Support to specify Index Name and type in Delete Query

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

@@ -201,6 +201,13 @@ public interface ElasticsearchOperations {
 	 */
 	<T> void delete(DeleteQuery query, Class<T> clazz);
 
+	/**
+     * Delete all records matching the query
+     *
+     * @param query
+     */
+    void delete(DeleteQuery query);
+
 	/**
 	 * Deletes an index for given entity
 	 *

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

@@ -295,6 +295,14 @@ public class ElasticsearchTemplate implements ElasticsearchOperations {
                 .setQuery(deleteQuery.getQuery()).execute().actionGet();
     }
 
+    @Override
+    public void delete(DeleteQuery deleteQuery) {
+        Assert.notNull(deleteQuery.getIndex(), "No index defined for Query");
+        Assert.notNull(deleteQuery.getType(), "No type define for Query");
+        client.prepareDeleteByQuery(deleteQuery.getIndex()).setTypes(deleteQuery.getType())
+                .setQuery(deleteQuery.getQuery()).execute().actionGet();
+    }
+
     @Override
     public String scan(SearchQuery searchQuery, long scrollTimeInMillis, boolean noFields) {
         Assert.notNull(searchQuery.getIndices(), "No index defined for Query");

src/main/java/org/springframework/data/elasticsearch/core/query/DeleteQuery.java

@@ -19,13 +19,15 @@ import org.elasticsearch.index.query.QueryBuilder;
 
 /**
  * DeleteQuery
- * 
+ *
  * @author Rizwan Idrees
  * @author Mohsin Husen
  */
 public class DeleteQuery {
 
 	private QueryBuilder query;
+    private String index;
+    private String type;
 
 	public QueryBuilder getQuery() {
 		return query;
@@ -33,5 +35,21 @@ public class DeleteQuery {
 
 	public void setQuery(QueryBuilder query) {
 		this.query = query;
+    }
+
+    public String getIndex() {
+        return index;
+    }
+
+    public void setIndex(String index) {
+        this.index = index;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
 	}
 }