fixes imports

Author: otaviojava

arangodb-driver/src/main/java/org/jnosql/diana/arangodb/document/DefaultArangoDBDocumentCollectionManagerAsync.java

@@ -14,7 +14,6 @@
  */
 package org.jnosql.diana.arangodb.document;
 
-import com.arangodb.ArangoCursor;
 import com.arangodb.ArangoCursorAsync;
 import com.arangodb.ArangoDB;
 import com.arangodb.ArangoDBAsync;

cassandra-driver/src/main/java/org/jnosql/diana/cassandra/column/DefaultCassandraColumnFamilyManager.java

@@ -22,7 +22,6 @@
 import com.datastax.driver.core.querybuilder.BuiltStatement;
 import com.datastax.driver.core.querybuilder.Insert;
 import com.datastax.driver.core.querybuilder.QueryBuilder;
-import com.datastax.driver.core.querybuilder.Select;
 import org.jnosql.diana.api.column.ColumnDeleteQuery;
 import org.jnosql.diana.api.column.ColumnEntity;
 import org.jnosql.diana.api.column.ColumnQuery;

cassandra-driver/src/main/java/org/jnosql/diana/cassandra/column/DefaultCassandraColumnFamilyManagerAsync.java

@@ -15,7 +15,6 @@
 package org.jnosql.diana.cassandra.column;
 
 import com.datastax.driver.core.ConsistencyLevel;
-import com.datastax.driver.core.ResultSet;
 import com.datastax.driver.core.ResultSetFuture;
 import com.datastax.driver.core.Session;
 import com.datastax.driver.core.Statement;

elasticsearch-driver/src/main/java/org/jnosql/diana/elasticsearch/document/CountActionListener.java

@@ -1,3 +1,18 @@
+/*
+ *  Copyright (c) 2017 Otávio Santana and others
+ *   All rights reserved. This program and the accompanying materials
+ *   are made available under the terms of the Eclipse Public License v1.0
+ *   and Apache License v2.0 which accompanies this distribution.
+ *   The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+ *   and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
+ *
+ *   You may elect to redistribute this code under either of these licenses.
+ *
+ *   Contributors:
+ *
+ *   Otavio Santana
+ */
+
 package org.jnosql.diana.elasticsearch.document;
 
 import org.elasticsearch.action.ActionListener;
@@ -23,6 +38,6 @@ public void onResponse(SearchResponse response) {
 
     @Override
     public void onFailure(Exception e) {
-        throw new ElasticsearchException("An error when do search from QueryBuilder on elasticsearch", e);
+        throw new JNoSQLException("An error when do count on document collection: " + documentCollection, e);
     }
 }

elasticsearch-driver/src/main/java/org/jnosql/diana/elasticsearch/document/DefaultElasticsearchDocumentCollectionManager.java

@@ -22,7 +22,6 @@
 import org.elasticsearch.action.search.SearchResponse;
 import org.elasticsearch.client.RestHighLevelClient;
 import org.elasticsearch.index.query.QueryBuilder;
-import org.elasticsearch.index.query.QueryBuilders;
 import org.elasticsearch.search.builder.SearchSourceBuilder;
 import org.jnosql.diana.api.JNoSQLException;
 import org.jnosql.diana.api.document.Document;

elasticsearch-driver/src/main/java/org/jnosql/diana/elasticsearch/document/DefaultElasticsearchDocumentCollectionManagerAsync.java

@@ -26,7 +26,6 @@
 import org.elasticsearch.index.query.QueryBuilder;
 import org.elasticsearch.search.builder.SearchSourceBuilder;
 import org.jnosql.diana.api.ExecuteAsyncQueryException;
-import org.jnosql.diana.api.JNoSQLException;
 import org.jnosql.diana.api.document.Document;
 import org.jnosql.diana.api.document.DocumentDeleteQuery;
 import org.jnosql.diana.api.document.DocumentEntity;