代码应该是这样的(GraphDB.cypher直接转到ExecutionEngine)

HashMap<String,Object> parameter = new HashMap<>();
parameter.put("theLabel1","Group");
parameter.put("theRelation","isMemberOf");
parameter.put("theLabel2","Person");
GraphDB.cypher("MATCH (n1:{theLabel1})-[r:{theRelation}]->(n2:{theLabel2}) RETURN n1,r,n2",parameter);

但它以此例外结束

Exception in thread "main" Invalid input '{': expected whitespace or a label name (line 1,column 11)
"MATCH (n1:{theLabel1})-[r:{theRelation}]->(n2:{theLabel2}) RETURN n1,n2"

文档(和教程)告诉使用{}来覆盖参数,但这也用作属性的密码json表示法.
@See http://docs.neo4j.org/chunked/milestone/tutorials-cypher-parameters-java.html

是否有另一种方法来解决此问题,而不是像这样(或使用其他模板方法)构建查询字符串

GraphDB.cypher("MATCH (n:" + labelName + ")-[r:" + relationName + "]->...

这是必需的,因为目标标签可以更改,我想完全重用代码.

提前致谢.

[[取得(叹气)没有作为答复后的行为]]

由于这种形式的参数目前(2014.6)不受支持,我将在发送查询之前运行一点替换.

HashMap<String,"Person");

parameter.put("aName","Donald Duck");

GraphDB.cypher("MATCH (n1:#theLabel1#)-[r:#theRelation#]->(n2:#theLabel2#) WHERE n2.Name = {aName} RETURN n1,parameter);

... with ...

public static ExecutionResult cypher(String query,Map<String,Object> params) {
    for (String key : params.keySet()) {
        query = query.replaceAll("#" + key + "#",String.valueOf(params.get(key)));
    }
    return params == null ? cypherEngine.execute(query) : cypherEngine.execute(query,params);
}

可以有更多的阅读