com.h3c.util.persistence.cassandra.query

Class PagedFindQuery<T extends TransportObject<? super T,?>,P extends Storable<?>,F,S,C>

java.lang.Object

com.h3c.util.persistence.cassandra.query.PagedFindQuery<T,P,F,S,C>

Type Parameters:

T - Type of the Query result passed to business logic

P - Type of query result which incurred while dao executes the query.

F - Filter to find

S - Sort specification for sort the result

C - Type of Context to execute the query.

All Implemented Interfaces:

ReadQuery<MarkPage<T>,C>

public class PagedFindQuery<T extends TransportObject<? super T,?>,P extends Storable<?>,F,S,C>
extends Object
implements ReadQuery<MarkPage<T>,C>

Find Query with pagination support. The result of find query operation returns to the business logic in paginated fashion.

Constructor Summary

Constructors

Constructor and Description
PagedFindQuery(F filter, SortSpecification<S> sortSpec, MarkPageRequest<T> request, Dao<?,T,P,F,S,C> dao) Find query with pagination Support.

Method Summary

Methods

Modifier and Type	Method and Description
MarkPage<T>	execute(C context) Execute the Paged find operation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PagedFindQuery

public PagedFindQuery(F filter,
              SortSpecification<S> sortSpec,
              MarkPageRequest<T> request,
              Dao<?,T,P,F,S,C> dao)

Find query with pagination Support. Find the list of entries matches the filter criteria. Return the result to the business logic in the user specified paged and sorting order.

Parameters:

filter - Filter for the Query

sortSpec - The sorting Order for the result(Ascending/Descending)

request - Page specification.

dao - Dao to execute the query

Method Detail

execute

public MarkPage<T> execute(C context)
                                                         throws Exception

Execute the Paged find operation.

Specified by:

execute in interface ReadQuery<MarkPage<T extends TransportObject<? super T,?>>,C>

Parameters:

context - Context to execute the query

Returns:

result of PagedFind Query.

Throws:

NullPointerException - In case of context is null.

Exception - Throws Exception in case of any error in query execute.