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Java Document.isEmpty方法代码示例

本文整理汇总了Java中org.bson.Document.isEmpty方法的典型用法代码示例。如果您正苦于以下问题：Java Document.isEmpty方法的具体用法？Java Document.isEmpty怎么用？Java Document.isEmpty使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.bson.Document的用法示例。


在下文中一共展示了Document.isEmpty方法的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getPendingDataLoader

import org.bson.Document; //导入方法依赖的package包/类
public O2MSyncDataLoader getPendingDataLoader() {
	O2MSyncDataLoader loader = null;
	Document document = syncEventDoc.findOneAndUpdate(
			Filters.and(Filters.eq(SyncAttrs.STATUS, SyncStatus.PENDING),
					Filters.eq(SyncAttrs.EVENT_TYPE, String.valueOf(EventType.System))),
			Updates.set(SyncAttrs.STATUS, SyncStatus.IN_PROGRESS),
			new FindOneAndUpdateOptions().returnDocument(ReturnDocument.AFTER)
					.projection(Projections.include(SyncAttrs.SOURCE_DB_NAME, SyncAttrs.SOURCE_USER_NAME)));
	if (document != null && !document.isEmpty()) {
		Object interval = document.get(SyncAttrs.INTERVAL);
		String appName = document.getString(SyncAttrs.APPLICATION_NAME);
		if(interval!=null && interval instanceof Long){
			loader = new O2MSyncDataLoader((Long)interval, appName);
		}else{
			loader = new O2MSyncDataLoader(120000, appName);
		}
		loader.setEventId(document.getObjectId(SyncAttrs.ID));
		loader.setDbName(document.getString(SyncAttrs.SOURCE_DB_NAME));
		loader.setDbUserName(document.getString(SyncAttrs.SOURCE_USER_NAME));
		loader.setStatus(document.getString(SyncAttrs.STATUS));
	}
	return loader;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:24，代码来源:SyncEventDao.java

示例2: decodeMongoToOracleMap

import org.bson.Document; //导入方法依赖的package包/类
private MongoToOracleMap decodeMongoToOracleMap(Document mapDocument) {
	MongoToOracleMap map = new MongoToOracleMap();
	map.setCollectionName(mapDocument.getString(SyncAttrs.COLLECTION_NAME));

	List<Document> nodeGrpListDoc = (List<Document>) mapDocument.get(SyncAttrs.NODE_TABLE_GROUP);
	if (nodeGrpListDoc != null && !nodeGrpListDoc.isEmpty()) {
		//Map<String, NodeGroup> tableNodeGrp = new HashMap<String, NodeGroup>();
		List<NodeGroup> rootNodeList = new ArrayList<NodeGroup>();
		for (Document nodeGrpDoc : nodeGrpListDoc) {
			if (nodeGrpDoc != null && !nodeGrpDoc.isEmpty()) {
				NodeGroup node = decodeNodeGroup(nodeGrpDoc);
				rootNodeList.add(node);
				//tableNodeGrp.put(node.getNodeName(), node);
			}
		}
		map.setRootNode(rootNodeList);
	}
	return map;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:20，代码来源:SyncMapAndEventDecoder.java

示例3: getDataLoader

import org.bson.Document; //导入方法依赖的package包/类
public O2MSyncDataLoader getDataLoader(ObjectId eventId) {
	O2MSyncDataLoader loader = null;
	Document document = syncEventDoc
			.find(Filters.and(Filters.eq(SyncAttrs.ID, eventId))).first();
	if (document != null && !document.isEmpty()) {
		Object interval = document.get(SyncAttrs.INTERVAL);
		String appName = document.getString(SyncAttrs.APPLICATION_NAME);
		if(interval!=null && interval instanceof Long){
			loader = new O2MSyncDataLoader((Long)interval , appName);
		}else{
			loader = new O2MSyncDataLoader(120000 , appName);
		}
		loader.setEventId(document.getObjectId(SyncAttrs.ID));
		loader.setDbName(document.getString(SyncAttrs.SOURCE_DB_NAME));
		loader.setDbUserName(document.getString(SyncAttrs.SOURCE_USER_NAME));
		loader.setStatus(document.getString(SyncAttrs.STATUS));
	}
	return loader;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:20，代码来源:SyncEventDao.java

示例4: processChildNodes

import org.bson.Document; //导入方法依赖的package包/类
private void processChildNodes(NodeGroup rootNode, Document dataMap, Map<String, Object> parentValueMap,
		String parentNodeName) throws SQLException {
	logger.debug("Processing child nodes for root node " + rootNode.getNodeName());
	List<NodeGroup> childNodes = rootNode.getChildGroups();
	List<Document> childDataMapList = null;
	if (childNodes != null && !childNodes.isEmpty()) {
		for (NodeGroup childNode : childNodes) {
			Object childDataObj = dataMap.get(childNode.getNodeName());
			if (childDataObj != null) {
				if (childDataObj instanceof List) {
					childDataMapList = (List<Document>) childDataObj;
				} else {
					Document childDataMap = (Document) childDataObj;
					if (!childDataMap.isEmpty()) {
						childDataMapList = Arrays.asList(childDataMap);
					}
				}
				if (childDataMapList != null && !childDataMapList.isEmpty()) {
					processSyncDocument(childNode, childDataMapList, parentValueMap,
							parentNodeName + QueryConstants.DOT + childNode.getNodeName(), false);
				}
			}
		}
	}
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:26，代码来源:MngToOrclSyncWriter.java

示例5: list

import org.bson.Document; //导入方法依赖的package包/类
/**
 * Get objects from the cache/database
 *
 * @param query   The query to filter
 * @param queried Queried or looped access?
 * @param limit   Limit of objects
 * @return The list of elements
 */
public List<E> list(DbFilter query, boolean queried, int limit, boolean cached) {
    List<E> l = limit == -1 ? new ArrayList<>() : new FixedSizeList<>(limit);

    try {
        if(isCacheable() && cached) {
            List l1 = query == null ? getCache().asList() : getCache().get(query, queried);
            l.addAll(l1);
        }

        if(l.isEmpty()) {
            FindIterable<Document> documents = fetch(query, limit);

            for(Document d : documents) {
                if(d != null && !d.isEmpty()) {
                    l.add(convert(d));
                }
            }
        }
    }
    catch(Exception e) {
        System.err.println("Error while fetching data from " + getClass().getSimpleName() + " module:");
        e.printStackTrace();
    }

    if(l.size() == 1 && l.get(0) == null) l = new ArrayList<>();
    return l;
}
开发者ID:Superioz，项目名称:MooProject，代码行数:36，代码来源:DatabaseCollection.java

示例6: decodeMongoAttribute

import org.bson.Document; //导入方法依赖的package包/类
private MongoAttribute decodeMongoAttribute(Document doc) {
	logger.debug("Decode called for MongoAttribute" + doc);
	MongoAttribute attribute = new MongoAttribute();
	attribute.setAttributeName(doc.getString(SyncAttrs.ATTRIBUTE_NAME));
	attribute.setAttributeType(MongoAttributeType.valueOf(doc.getString(SyncAttrs.ATTRIBUTE_TYPE)));
	attribute.setIdentifier(doc.getBoolean(SyncAttrs.IS_IDENTIFIER, false));
	Document mappedOracleEntityDoc = (Document) doc.get(SyncAttrs.COLUMN_DATA);
	if (mappedOracleEntityDoc != null && !mappedOracleEntityDoc.isEmpty())
		attribute.setMappedOracleColumn(decodeColumn(mappedOracleEntityDoc));
	attribute.setDefaultValue(doc.getString(SyncAttrs.DEFAULT_VALUE));
	logger.debug("Decode Completed. Decode Object : " + attribute);
	return attribute;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:14，代码来源:SyncMapAndEventDecoder.java

示例7: decodeOracleParallelReadInfo

import org.bson.Document; //导入方法依赖的package包/类
private OracleParallelReadInfo decodeOracleParallelReadInfo(Document document) {
	OracleParallelReadInfo parallelReadInfo = new OracleParallelReadInfo();
	parallelReadInfo.setNumOfBuckets(document.getInteger(SyncAttrs.NUM_OF_BUCKETS, 0));
	parallelReadInfo.setProcessParallel(document.getBoolean(SyncAttrs.PROCESS_PARALLEL, false));
	Document columnDataDoc = (Document) document.get(SyncAttrs.COLUMN_DATA);
	if (columnDataDoc != null && !columnDataDoc.isEmpty()) {
		parallelReadInfo.setRangeColumn(decodeColumn(columnDataDoc));
	}
	return parallelReadInfo;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:11，代码来源:SyncMapAndEventDecoder.java

示例8: decodeOracleToMongoMap

import org.bson.Document; //导入方法依赖的package包/类
private OracleToMongoMap decodeOracleToMongoMap(Document document) {
	logger.debug("Start of decode method");
	OracleToMongoMap map = new OracleToMongoMap();
	Document mapObjectDoc = (Document) document.get(SyncAttrs.MAP_OBJECT);
	if (mapObjectDoc != null && !mapObjectDoc.isEmpty()) {
		map.setMapObject(decodeMongoObject(mapObjectDoc));
	}
	return map;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:10，代码来源:SyncMapAndEventDecoder.java

示例9: decodeColumnAttrMapper

import org.bson.Document; //导入方法依赖的package包/类
private ColumnAttrMapper decodeColumnAttrMapper(Document document) {
	ColumnAttrMapper mapper = new ColumnAttrMapper();
	Document columnData = (Document) document.get(SyncAttrs.COLUMN_DATA);
	if (columnData != null) {
		mapper.setColumn(decodeColumn(columnData));
	}
	mapper.setParentColumn(document.getBoolean(SyncAttrs.IS_PARENT_COLUMN, false));
	mapper.setSeqGenerated(document.getBoolean(SyncAttrs.IS_SEQ_GENERATED, false));
	mapper.setSeqName(document.getString(SyncAttrs.SEQ_NAME));
	mapper.setIgnoreList((List<String>) document.get(SyncAttrs.IGNORE_LIST));
	Object literalValDoc = document.get(SyncAttrs.LITERAL_VALUE_FOR_COLUMN);
	if (literalValDoc != null && !"".equals(literalValDoc)) {
		if (literalValDoc instanceof Document) {
			mapper.setLiteralValueForColumn(decodeLiteral((Document) literalValDoc));
		} else {
			Literal literal = SqlLiteralFactory.getLiteral(literalValDoc, mapper.getColumn().getColumnType());
			mapper.setLiteralValueForColumn(literal);
		}
	}

	Document mongoAttribute = (Document) document.get(SyncAttrs.ATTRIBUTE);
	if (mongoAttribute != null && !mongoAttribute.isEmpty()) {
		mapper.setAttribute(decodeMongoAttribute(mongoAttribute));
	}
	mapper.setParentAttribute(document.getBoolean(SyncAttrs.IS_PARENT_ATTRIBUTE, false));
	mapper.setParentAttributeNode(document.getString(SyncAttrs.PARENT_ATTRIBUTE_NODE));
	mapper.setChildAttribute(document.getBoolean(SyncAttrs.IS_CHILD_ATTRIBUTE, false));
	mapper.setChildAttributeNode(document.getString(SyncAttrs.CHILD_ATTRIBUTE_NODE));
	mapper.setReplacementMap((Map<String, String>) document.get(SyncAttrs.REPLACEMENT_MAP));
	return mapper;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:32，代码来源:SyncMapAndEventDecoder.java

示例10: decodeColumnAttrMapper

import org.bson.Document; //导入方法依赖的package包/类
@SuppressWarnings("rawtypes")
private ColumnAttrMapper decodeColumnAttrMapper(Document document) {
	ColumnAttrMapper mapper = new ColumnAttrMapper();
	Document columnData = (Document) document.get(SyncAttrs.COLUMN_DATA);
	if (columnData != null) {
		mapper.setColumn(decodeColumn(columnData));
	}
	mapper.setParentColumn(document.getBoolean(SyncAttrs.IS_PARENT_COLUMN, false));
	mapper.setSeqGenerated(document.getBoolean(SyncAttrs.IS_SEQ_GENERATED, false));
	mapper.setSeqName(document.getString(SyncAttrs.SEQ_NAME));
	mapper.setIgnoreList((List<String>) document.get(SyncAttrs.IGNORE_LIST));
	Object literalValDoc = document.get(SyncAttrs.LITERAL_VALUE_FOR_COLUMN);
	if (literalValDoc != null && !"".equals(literalValDoc)) {
		if (literalValDoc instanceof Document) {
			mapper.setLiteralValueForColumn(decodeLiteral((Document) literalValDoc));
		} else {
			Literal literal = SqlLiteralFactory.getLiteral(literalValDoc, mapper.getColumn().getColumnType());
			mapper.setLiteralValueForColumn(literal);
		}
	}

	Document mongoAttribute = (Document) document.get(SyncAttrs.ATTRIBUTE);
	if (mongoAttribute != null && !mongoAttribute.isEmpty()) {
		mapper.setAttribute(decodeMongoAttribute(mongoAttribute));
	}
	mapper.setParentAttribute(document.getBoolean(SyncAttrs.IS_PARENT_ATTRIBUTE, false));
	mapper.setParentAttributeNode(document.getString(SyncAttrs.PARENT_ATTRIBUTE_NODE));
	mapper.setChildAttribute(document.getBoolean(SyncAttrs.IS_CHILD_ATTRIBUTE, false));
	mapper.setChildAttributeNode(document.getString(SyncAttrs.CHILD_ATTRIBUTE_NODE));
	mapper.setReplacementMap((Map<String, String>) document.get(SyncAttrs.REPLACEMENT_MAP));
	return mapper;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:33，代码来源:SyncMapAndEventGridFsDecoder.java

示例11: processChildNodes

import org.bson.Document; //导入方法依赖的package包/类
private List<Document> processChildNodes(MongoObject mongoObject, ResultSet parentRow, String parentObjectName)
		throws SQLException, SyncError {
	List<Document> documentBundle = null;
	Object value = null;
	Document document = new Document();
	String attributeName = null;
	for (MongoEntity attribute : mongoObject.getAttributes()) {
		value = null;
		if (attribute instanceof MongoAttribute) {
			MongoAttribute mongoAttribute = (MongoAttribute) attribute;
			attributeName = mongoAttribute.getAttributeName();
			if (mongoAttribute.getMappedOracleColumn().isParentColumn()) {
				value = processMongoAttribute(mongoAttribute, parentRow);
			}
		} else if (attribute instanceof MongoObject) {
			MongoObject mongoNestedObject = (MongoObject) attribute;
			attributeName = mongoNestedObject.getCollectionName();
			List<Document> nestedDocList = processMongoObject(mongoNestedObject, false, parentRow, parentObjectName,
					null);
			MongoAttributeType collectionType = MongoAttributeType.valueOf(mongoNestedObject.getCollectionType());
			if (MongoAttributeType.AUTO.equals(collectionType)) {
				if (nestedDocList != null && nestedDocList.size() > 1) {
					value = nestedDocList;
				} else if (nestedDocList != null && nestedDocList.size() == 1) {
					value = nestedDocList.get(0);
				}
			} else if (MongoAttributeType.COLLECTION.equals(collectionType)) {
				if (nestedDocList != null && nestedDocList.size() >= 1) {
					value = nestedDocList.get(0);
				}
			} else {
				if (nestedDocList != null && nestedDocList.size() >= 1) {
					value = nestedDocList;
				}
			}
		}
		if (value != null || saveNulls) {
			/*document.append(SyncConstants.SRC, SyncConstants.ORCL);
			document.append(SyncConstants.SYNC_TIME, System.currentTimeMillis());*/
			document.append(attributeName, value);
		}
	}
	if (!document.isEmpty()) {
		documentBundle = new ArrayList<Document>(1);
		documentBundle.add(document);
	}
	return documentBundle;
}
开发者ID:gagoyal01，项目名称:mongodb-rdbms-sync，代码行数:49，代码来源:OrclToMngSyncReader.java


注：本文中的org.bson.Document.isEmpty方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。