Reference Guide

}
// Convert the pageRequest
CassandraStorable<String, String> convertMark =
(CassandraStorable<String, String>) pageRequest.getMark();
final MarkPageRequest<String> convertedPageRequest =
pageRequest.convert((convertMark != null)
? convertMark.getId() : null);
Procedure<MarkPage<Column<String, ?>>> procedure =
new Procedure<MarkPage<Column<String, ?>>>() {
@Override
public MarkPage<Column<String, ?>> execute() throws Exception {
return context.getContext().get(AlertsCount.COL_FAMILY,
AlertsCount.ROW_KEY,
convertedPageRequest,
AlertsCount.COUNT_DECODER);
}
};
try {
context.getTransactionContext()
.prepareTransaction(AlertsCount.COL_FAMILY.getName(),
AlertsCount.ROW_KEY);
} catch (PersistenceException e) {
throw new RuntimeException(e);
}
MarkPage<Column<String, ?>> result = null;
try {
result = context
.getTransactionContext()
.executeCriticalSection(procedure);
} catch (Exception e) {
throw new PersistenceException(e);
}
// Get the list of Ids from the page
List<String> id = new ArrayList<String>();
for (Column<String, ?> c : result.getData()) {
id.add(c.getName().getValue());
}
MarkPageRequest<String> pageRequest1 =
result.getRequest().convert(result
.getRequest()
.getMark()
.getName()
110