目前,我正在使用MarkLogic POJO数据绑定接口。我可以将POJO写入MarkLogic。现在,我想搜索那些POJO并检索搜索结果。我正在按照https://docs.marklogic.com/guide/java/binding#id_89573中的说明进行操作,但是,搜索结果似乎未返回正确的对象。我收到JSONMappingException。这是代码:
HashMap<String, MatchedPropertyInfo> matchedProperties = new HashMap<String, MatchedPropertyInfo>();
PropertyMatches PM = new PropertyMatches(123,"uri/prefix/location2", "uri/prefix", 1234,0,"/aKey","/aLocation",true,matchedProperties);
MatchedPropertyInfo MPI1 = new MatchedPropertyInfo("matched/property/uri1", "matched/property/key1", "matched/property/location1", true,"ValueMatch1", 12, 1*1.0/3, true);
MatchedPropertyInfo MPI2 = new MatchedPropertyInfo("matched/property/uri2", "matched/property/key2", "matched/property/location2", true,"ValueMatch2", 14, 1.0/2.0, true);
PM.getMatchedProperties().put("matched/property/prefix/location1", MPI1);
PM.getMatchedProperties().put("matched/property/prefix/location2", MPI2);
PojoRepository myClassRepo = client.newPojoRepository(PropertyMatches.class, Long.class);
myClassRepo.write(PM);
PojoQueryBuilder qb = myClassRepo.getQueryBuilder();
PojoPage<PropertyMatches> matches = myClassRepo.search(qb.value("uri", "uri/prefix/location2"),1);
if (matches.hasContent()) {
while (matches.hasNext()) {
PropertyMatches aPM = matches.next();
System.out.println(" " + aPM.getURI());
}
} else {
System.out.println(" No matches");
}
PropertyMatches(PM)对象已成功写入MarkLogic数据库。此类包含一个成员:
private String URI
,该成员由"uri/prefix/location2"
发起。在上面的示例中,matches.hasContent()
返回true。但是,我在PropertyMatches aPM = matches.next();
上遇到错误 最佳答案
在MarkLogic中搜索POJO并将其读入Java程序要求POJO具有空的构造函数。在这种情况下,PropertyMatches
应该具有public PropertyMatches(){}
,MatchedPropertyInfo应该具有public MatchedPropertyInfo(){}
关于java - MarkLogic POJO数据绑定(bind)接口(interface):执行POJO搜索时出现JSONMappingException,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/45904390/