|
@@ -20,6 +20,7 @@ import java.util.ArrayList;
|
|
|
import java.util.List;
|
|
|
import java.util.Map;
|
|
|
import java.util.Objects;
|
|
|
+import java.util.function.Consumer;
|
|
|
|
|
|
public class MongoUtil {
|
|
|
|
|
@@ -80,7 +81,7 @@ public class MongoUtil {
|
|
|
}
|
|
|
|
|
|
public boolean insertMany(String collectionName, List<Document> doc) {
|
|
|
- if (doc != null && doc.size() > 0) {
|
|
|
+ if (doc != null && !doc.isEmpty()) {
|
|
|
mongoClient.getDatabase(DBNAME).getCollection(collectionName).insertMany(doc);
|
|
|
return true;
|
|
|
}
|
|
@@ -96,15 +97,15 @@ public class MongoUtil {
|
|
|
}
|
|
|
|
|
|
public List<Document> find(String collectionName, Bson filter) {
|
|
|
- List<Document> resultList = new ArrayList<Document>();
|
|
|
- if (filter != null) {
|
|
|
- FindIterable<Document> docs = mongoClient.getDatabase(DBNAME).getCollection(collectionName).find(filter);
|
|
|
- docs.forEach(new Block<Document>() {
|
|
|
- public void apply(Document document) {
|
|
|
- resultList.add(document);
|
|
|
- }
|
|
|
- });
|
|
|
- }
|
|
|
+ List<Document> resultList = new ArrayList<>();
|
|
|
+ // 获取数据库和集合
|
|
|
+ MongoCollection<Document> collection = mongoClient.getDatabase(DBNAME).getCollection(collectionName);
|
|
|
+ // 如果过滤器为空,使用默认过滤器
|
|
|
+ filter = (filter != null) ? filter : new Document();
|
|
|
+ // 查询集合并收集结果
|
|
|
+ FindIterable<Document> docs = collection.find(filter);
|
|
|
+ docs.forEach((Consumer<Document>) resultList::add);
|
|
|
+
|
|
|
return resultList;
|
|
|
}
|
|
|
|
|
@@ -123,7 +124,7 @@ public class MongoUtil {
|
|
|
}
|
|
|
|
|
|
public long getCount(String collectionName) {
|
|
|
- return getDatabase().getCollection(collectionName).count();
|
|
|
+ return getDatabase().getCollection(collectionName).countDocuments();
|
|
|
}
|
|
|
|
|
|
/**
|