com.h3c.util.dao.query

Class DaoCountQuery<F>

java.lang.Object

com.h3c.util.dao.ReadQuery<Long>

com.h3c.util.dao.query.DaoCountQuery<F>

Type Parameters:

F - type of the filter object

public class DaoCountQuery<F>
extends ReadQuery<Long>

Gets the number of persist objects based on a filter criteria.

Constructor Summary

Constructors

Constructor and Description
DaoCountQuery(F filter, BaseDao<?,?,?,F,?> dao) Creates a count query.

Method Summary

Methods

Modifier and Type	Method and Description
protected Long	execute(DataStoreContext context) Executes the query.

Methods inherited from class com.h3c.util.dao.ReadQuery

execute

Methods inherited from class java.lang.Object

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

Constructor Detail

DaoCountQuery

public DaoCountQuery(F filter,
             BaseDao<?,?,?,F,?> dao)

Creates a count query.

Parameters:

filter - filter to apply

dao - the DAO to carry out the operation

Method Detail

execute

protected Long execute(DataStoreContext context)

Description copied from class: ReadQuery

Executes the query.

Specified by:

execute in class ReadQuery<Long>

Parameters:

context - data store context.

Returns:

the result of the query.