我正在用 Java 开发 Neo4j,我有一个问题。创建节点时,如何验证数据库是否为空?
这是我创建节点的代码:
br = new BufferedReader(new FileReader(csvFile));
while (br.ready()==true) {
transaction = graphDb.beginTx();
int cont = 0;//limitador de tuplas por query
while ((line = br.readLine()) != null && cont < 10000) {
String[] dado = line.split(cvsSplitBy);
// inserir comando para criar o nós com a data
Node no = graphDb.createNode();
no.setProperty("data", dado[0]);
no.setProperty("temperatura", dado[1]);
no.setProperty("latitude", dado[2]);
no.setProperty("longitude", dado[3]);
no.setProperty("variação", dado[4]);
System.out.println(cont);
cont++;
}
transaction.success();
transaction.close();
}
最佳答案
关于java - 在 neo4j 中验证数据库是否为空,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31002700/