com.hp.util.dao

Class WriteQuery<T>

java.lang.Object

com.hp.util.dao.WriteQuery<T>

Type Parameters:

T - type of the transaction result.

Direct Known Subclasses:

DaoAddQuery, DaoDeleteQuery, DaoDeleteTransportableQuery, DaoTryAddQuery, DaoUpdateDependentQuery, DaoUpdateQuery

public abstract class WriteQuery<T>
extends Object

Data store transaction. Intended for operations that will write to the data persistence layer

Author:

Robert Gagnon, Edwin Dalorzo

Constructor Summary

Constructors

Constructor and Description
WriteQuery()

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 transaction.

Methods inherited from class java.lang.Object

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

Constructor Detail

WriteQuery

public WriteQuery()

Method Detail

execute

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

Executes the transaction.

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.