com.h3c.util.dao

Class ReadQuery<T>

java.lang.Object

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

Type Parameters:

T - type of the query result.

Direct Known Subclasses:

DaoCountQuery, DaoFindDependentQuery, DaoFindFullDependentQuery, DaoFindFullNestedDependentQuery, DaoFindQuery, DaoGetDependentQuery, DaoGetFullDependentQuery, DaoGetFullNestedDependentQuery, DaoGetQuery, DaoPagedFindDependentQuery, DaoPagedFindFullDependentQuery, DaoPagedFindFullNestedDependentQuery, DaoPagedFindQuery

public abstract class ReadQuery<T>
extends Object

Data store query. Intended for operations that will read from the data persistence layer.

Constructor Summary

Constructors

Constructor and Description
ReadQuery()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract T	execute(DataStoreContext context) Executes the query.
T	execute(DataStoreContext context, org.slf4j.Logger log) Executes the query.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadQuery

public ReadQuery()

Method Detail

execute

public T execute(DataStoreContext context,
        org.slf4j.Logger log)
          throws Exception

Executes the query.

Parameters:

context - data store context.

log - logger to use.

Returns:

the result of the query.

Throws:

Exception - If any error occurs during query execution

execute

protected abstract T execute(DataStoreContext context)

Executes the query.

Parameters:

context - data store context.

Returns:

the result of the query.