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Java DBCursor.count方法代碼示例

本文整理匯總了Java中com.mongodb.DBCursor.count方法的典型用法代碼示例。如果您正苦於以下問題：Java DBCursor.count方法的具體用法？Java DBCursor.count怎麽用？Java DBCursor.count使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.mongodb.DBCursor的用法示例。


在下文中一共展示了DBCursor.count方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getAllIds

import com.mongodb.DBCursor; //導入方法依賴的package包/類
public List<String> getAllIds(final Map<String, Object> conditions) {
    DBObject query = new BasicDBObject(conditions);
    DBCursor cursor = coll.find(query);

    List<String> ids = new ArrayList<String>(cursor.count());
    for (DBObject o : cursor) {
        ids.add(o.get("_id").toString());
    }

    return ids;
}
開發者ID:HewlettPackard，項目名稱:loom，代碼行數:12，代碼來源:MongoDbConnection.java

示例2: getCacheEntry

import com.mongodb.DBCursor; //導入方法依賴的package包/類
public CacheEntry getCacheEntry(String key, CacheEntry defaultValue) {
	DBCursor cur = null;
	DBCollection coll = getCollection();
	BasicDBObject query = new BasicDBObject("key", key.toLowerCase());

	// be sure to flush
	flushInvalid(coll,query);

	cur = coll.find(query);

	if (cur.count() > 0) {
		hits++;
		MongoDBCacheDocument doc = new MongoDBCacheDocument((BasicDBObject) cur.next());
		doc.addHit();
		//update the statistic and persist
		save(doc,0);
		return new MongoDBCacheEntry(doc);
	}
	misses++;
	return defaultValue;
}
開發者ID:lucee，項目名稱:extension-mongodb，代碼行數:22，代碼來源:MongoDBCache.java

示例3: testQueryCount

import com.mongodb.DBCursor; //導入方法依賴的package包/類
@Test
public void testQueryCount(@Mocked final DBCursor cursor) {
    final BasicDBObject filterObject = new BasicDBObject("key1", "value1");
    new Expectations() {
        {
            logger.isLoggable(Level.FINE);
            result = true;

            logger.fine("queryCount: Querying database with query object " + filterObject);

            cursor.count();
            result = 3;

            logger.fine("queryCount: found 3 assets.");
        }
    };
    Deencapsulation.invoke(createTestBean(), "queryCount", filterObject);
}
開發者ID:WASdev，項目名稱:tool.lars，代碼行數:19，代碼來源:PersistenceBeanLoggingTest.java

示例4: findTokensByClientId

import com.mongodb.DBCursor; //導入方法依賴的package包/類
public Collection<OAuth2AccessToken> findTokensByClientId(String clientId) {
    List<OAuth2AccessToken> accessTokens = new ArrayList<OAuth2AccessToken>();

    DBObject query = new BasicDBObject(clientIdFieldName, clientId);
    DBObject projection = new BasicDBObject(tokenFieldName, 1);
    DBCursor cursor = null;
    try {
        cursor = getAccessTokenCollection().find(query, projection);
        if (cursor.count() > 0) {
            while (cursor.hasNext()) {
                OAuth2AccessToken token = mapAccessToken(cursor.next());
                if (token != null) {
                    accessTokens.add(token);
                }
            }
        } else {
            LOG.info("Failed to find access token for clientId {}", clientId);
        }
        return accessTokens;
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}
開發者ID:cedac-software，項目名稱:spring-security-mongodb，代碼行數:26，代碼來源:MongoTokenStore.java

示例5: findTokensByUserName

import com.mongodb.DBCursor; //導入方法依賴的package包/類
public Collection<OAuth2AccessToken> findTokensByUserName(String userName) {
    List<OAuth2AccessToken> accessTokens = new ArrayList<OAuth2AccessToken>();

    DBObject query = new BasicDBObject(usernameFieldName, userName);
    DBObject projection = new BasicDBObject(tokenFieldName, 1);
    DBCursor cursor = null;
    try {
        cursor = getAccessTokenCollection().find(query, projection);
        if (cursor.count() > 0) {
            while (cursor.hasNext()) {
                OAuth2AccessToken token = mapAccessToken(cursor.next());
                if (token != null) {
                    accessTokens.add(token);
                }
            }
        } else {
            LOG.info("Failed to find access token for username {}.", userName);
        }
        return accessTokens;
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}
開發者ID:cedac-software，項目名稱:spring-security-mongodb，代碼行數:26，代碼來源:MongoTokenStore.java

示例6: findTokensByClientIdAndUserName

import com.mongodb.DBCursor; //導入方法依賴的package包/類
public Collection<OAuth2AccessToken> findTokensByClientIdAndUserName(String clientId, String userName) {
    List<OAuth2AccessToken> accessTokens = new ArrayList<OAuth2AccessToken>();

    DBObject query = new BasicDBObject(clientIdFieldName, clientId).append(usernameFieldName, userName);
    DBObject projection = new BasicDBObject(tokenFieldName, 1);
    DBCursor cursor = null;
    try {
        cursor = getAccessTokenCollection().find(query, projection);
        if (cursor.count() > 0) {
            while (cursor.hasNext()) {
                OAuth2AccessToken token = mapAccessToken(cursor.next());
                if (token != null) {
                    accessTokens.add(token);
                }
            }
        } else {
            LOG.info("Failed to find access token for clientId {} and username {}.", clientId, userName);
        }
        return accessTokens;
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}
開發者ID:cedac-software，項目名稱:spring-security-mongodb，代碼行數:26，代碼來源:MongoTokenStore.java

示例7: contains

import com.mongodb.DBCursor; //導入方法依賴的package包/類
@Override
public boolean contains(String key) {
	DBCollection coll = getCollection();
	BasicDBObject query = new BasicDBObject();
	query.put("key", key.toLowerCase());
	DBCursor cur = coll.find(query);
	return cur.count() > 0;
}
開發者ID:lucee，項目名稱:extension-mongodb，代碼行數:9，代碼來源:MongoDBCache.java

示例8: keys

import com.mongodb.DBCursor; //導入方法依賴的package包/類
@Override
public List<String> keys() {
	List<String> result = new ArrayList<String>();
	DBCursor cur = qAll_Keys();

	if (cur.count() > 0) {
		while (cur.hasNext()) {
			result.add(caster.toString(cur.next().get("key"),""));
		}
	}
	return result;
}
開發者ID:lucee，項目名稱:extension-mongodb，代碼行數:13，代碼來源:MongoDBCache.java

示例9: find

import com.mongodb.DBCursor; //導入方法依賴的package包/類
private static ModulesContainer find(DBObject query, DBObject orderBy, Integer limit, Integer page) throws SinfonierException {
  DBCollection collection = MongoFactory.getDB().getCollection(collectionName);
  List<Module> list = new ArrayList<Module>();
  DBCursor cursor;
  
  if (limit != null) {
    page = (page != null && page > 0) ? ((page-1)*limit) : 0;
  } else {
    page = null;
  }

  if (query == null) {
    cursor = collection.find();
  } else {
    cursor = collection.find(query);
  }

  int totalModules = cursor.count();
  
  if (orderBy != null) {
    cursor = cursor.sort(orderBy);
  }
  
  if (page != null && page > 0) {
    cursor.skip(page);
  }
  
  if (limit != null) {
    cursor = cursor.limit(limit);
  }

  for (DBObject dbObject : cursor) {
    list.add(new Module(dbObject));
  }

  return new ModulesContainer(list, totalModules);
}
開發者ID:telefonicaid，項目名稱:fiware-sinfonier，代碼行數:38，代碼來源:Module.java

示例10: find

import com.mongodb.DBCursor; //導入方法依賴的package包/類
private static TopologiesContainer find(DBObject query, DBObject orderBy, Integer limit, Integer page) throws SinfonierException {
  DBCollection collection = MongoFactory.getDB().getCollection(getCollectionName());
  List<Topology> list = new ArrayList<Topology>();
  DBCursor cursor;

  if (limit != null) {
    page = (page != null && page > 0) ? ((page-1)*limit) : 0;
  } else {
    page = null;
  }
  
  if (query == null) {
    cursor = collection.find();
  } else {
    cursor = collection.find(query);
  }
  
  int totalTopologies = cursor.count();

  if (orderBy != null) {
    cursor = cursor.sort(orderBy);
  }

  if (page != null && page > 0) {
    cursor.skip(page);
  }
  
  if (limit != null) {
    cursor = cursor.limit(limit);
  }

  for (DBObject dbObject : cursor) {
    list.add(new Topology(dbObject));
  }

  return new TopologiesContainer(list, totalTopologies);
}
開發者ID:telefonicaid，項目名稱:fiware-sinfonier，代碼行數:38，代碼來源:Topology.java

示例11: testFind

import com.mongodb.DBCursor; //導入方法依賴的package包/類
/**
 * 查詢所有的用戶信息
 */
public void testFind() {
	testInitTestData();
	// find方法查詢所有的數據並返回一個遊標對象
	DBCursor cursor = user.find();

	while (cursor.hasNext()) {
		print(cursor.next());
	}
	// 獲取數據總條數
	int sum = cursor.count();
	System.out.println("sum===" + sum);
}
開發者ID:dreajay，項目名稱:jcode，代碼行數:16，代碼來源:MongoDBTest.java

示例12: run

import com.mongodb.DBCursor; //導入方法依賴的package包/類
@Override
		public void run() {
			ZMQ.Context context = ZMQ.context(1);
			ZMQ.Socket sender = context.socket(ZMQ.PUSH);
			sender.setHWM(1);
	        sender.connect("tcp://localhost:5559");
	        
	        while (!Thread.currentThread().isInterrupted()) {
	        	try {
	        		// Wait for fetched batch.
	        		DBObject batch = queue.take();
	        		logger.info("Sending batch: "+batch.get("jobId"));
	        		
	        		DBCursor data = collection.find(new BasicDBObject()
	        			.append("jobId", batch.get("jobId"))
	        			.append("status", null));
	        		
	        		int count = data.count();
	        		
	        		while (data.hasNext()) {
	        			logger.info("Sending batch item ("+(data.numSeen()+1)+"/"+count+"): jobId="+batch.get("jobId"));
	        			DBObject doc = data.next();
	        			sender.send(gson.toJson(doc), data.hasNext() ? ZMQ.SNDMORE : 0);
	        			collection.remove(doc);
	        		}
	        		
	        		// Remove all references to this batch from DB.
//	        		collection.findAndRemove(new BasicDBObject("jobId", batch.get("jobId")));
	        		collection.remove(batch);
	        	} catch (Exception e) {
	        		logger.error(e.getMessage(), e);
	        	}
	        }

	        sender.close();
        	context.term();
		}
開發者ID:erfgoed-en-locatie，項目名稱:artsholland-platform，代碼行數:38，代碼來源:Parser.java

示例13: queryCount

import com.mongodb.DBCursor; //導入方法依賴的package包/類
private int queryCount(DBObject filterObject) {
    if (logger.isLoggable(Level.FINE)) {
        logger.fine("queryCount: Querying database with query object " + filterObject);
    }

    DBCursor cursor = getAssetCollection().find(filterObject);
    int count = cursor.count();

    if (logger.isLoggable(Level.FINE)) {
        logger.fine("queryCount: found " + count + " assets.");
    }

    return count;
}
開發者ID:WASdev，項目名稱:tool.lars，代碼行數:15，代碼來源:PersistenceBean.java

示例14: findChildren

import com.mongodb.DBCursor; //導入方法依賴的package包/類
@Override
public List<ObjectIdentity> findChildren(ObjectIdentity parentIdentity) {
    LOG.debug(ACL, "Looking for children of object identity {}", parentIdentity);

    DBObject query = queryByParentIdentity(parentIdentity);
    DBObject projection = new BasicDBObject(objectIdFieldName, true);
    DBCursor cursor = null;
    try {
        cursor = getAclCollection().find(query, projection);
        if (cursor.count() == 0) {
            LOG.debug(ACL, "No child object found for identity {}", parentIdentity);

            return null;
        }

        LOG.trace(ACL, "Streaming cursor in order to retrieve child object identities");

        List<ObjectIdentity> oids = new ArrayList<ObjectIdentity>();
        while (cursor.hasNext()) {
            oids.add(toObjectIdentity((DBObject) cursor.next().get(objectIdFieldName)));
        }
        return oids;
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}
開發者ID:cedac-software，項目名稱:spring-security-mongodb，代碼行數:29，代碼來源:MongoAclService.java

示例15: obtenerPreguntaAleatoria

import com.mongodb.DBCursor; //導入方法依賴的package包/類
public static Result obtenerPreguntaAleatoria(String categoria) {
	String resultJSON = "";

	categoria = checkCategoria(categoria);

	BasicDBObject consulta = new BasicDBObject();
	consulta.put("categoria", categoria);
	String coleccion = "preguntas";

	DBCursor cursor = ejecutarConsulta(consulta, coleccion);

	int maxIndex = cursor.count() - 1;
	int posRandom = (int) (Math.random() * ((maxIndex - 0) + 1) + 0);

	int i = 0;
	while (cursor.hasNext()) {
		DBObject preguntaJSON = cursor.next();
		if (i == posRandom) {
			resultJSON = preguntaJSON.toString();
			break;
		}
		i++;
	}
	cursor.close();
	
	resultJSON = ocultarRespuestaCorrecta(resultJSON);

	return ok(resultados.render(resultJSON));
}
開發者ID:Arquisoft，項目名稱:Trivial4b，代碼行數:30，代碼來源:TrivialAPI.java


注：本文中的com.mongodb.DBCursor.count方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。