com.hp.util.persistence

Interface DataStoreService<C>

Type Parameters:

C - type of the data store execution context.

All Known Implementing Classes:

DataStoreManager

public interface DataStoreService<C>

DataStoreService Provides services to interact with the model data store.

Method Summary

Methods

Modifier and Type	Method and Description
<T> T	execute(ReadQuery<T,C> query) Executes a read query.
<T> T	execute(WriteQuery<T,C> query) Executes a write query.

Method Detail

execute

<T> T execute(ReadQuery<T,C> query)
          throws Exception

Executes a read query.

Type Parameters:

T - type of the query result.

Parameters:

query - the read query to execute.

Returns:

the query result.

Throws:

Exception - if errors happen while executing the query.

execute

<T> T execute(WriteQuery<T,C> query)
          throws Exception

Executes a write query.

Type Parameters:

T - type of the transaction result.

Parameters:

query - the write query to execute.

Returns:

the transaction result.

Throws:

Exception - if errors happen while executing the query.