要求:复合列(非DynamicComposite),Hector模板实现
嗨..我目前正在尝试使用以下规格创建一个列族:
somekeyId UUID
Site URL UTF8Type
Page URL UTF8Type
- parentURL UTF8Type (Composite)
- anchortext UTF8Type (Composite)
我创建了以下代码:
要创建 ColumnFamily:
List<ColumnDefinition> columnList = new ArrayList<ColumnDefinition>();
...
ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(keyspaceName, "page_internal_links", ComparatorType.COMPOSITETYPE, columnList);
cfDef.setComparatorTypeAlias("(UTF8Type, UTF8Type, UTF8Type)");
cfDef.setKeyValidationClass(ComparatorType.UTF8TYPE.getTypeName());
Composite key = new Composite();
key.addComponent(parentURL, StringSerializer.get());
key.addComponent(anchorText, StringSerializer.get());
ColumnFamilyTemplate<String, Composite> compTemplate =
new ThriftColumnFamilyTemplate<String, Composite>(
ksp, "linksCF", StringSerializer.get(), CompositeSerializer.get());
ColumnFamilyUpdater<String, Composite> compUpdater = compTemplate.createUpdater("key"); // In this row key, I want to provide somekeyId UUID
// Any suggestions here ??
compTemplate.update(compUpdater);
我在这里先向您的帮助表示感谢。我一直在到处寻找 tuts/docs.. 但我最终无处可去......