Class EJBQLAction

java.lang.Object

org.apache.cayenne.access.jdbc.BaseSQLAction

org.apache.cayenne.access.jdbc.EJBQLAction

All Implemented Interfaces:

SQLAction

public class EJBQLAction
extends BaseSQLAction

Parses an EJBQL statement, converting it to SQL. Executes the resulting SQL.

Since:

3.0

Field Summary

Fields

Modifier and Type	Field	Description
protected SQLActionVisitor	actionFactory
protected EJBQLQuery	query

Fields inherited from class BaseSQLAction

dataNode

Modifier and Type	Field	Description
protected DataNode	dataNode

Constructor Summary

Constructors

Constructor	Description
EJBQLAction(EJBQLQuery query, SQLActionVisitor actionFactory, DataNode dataNode)

Method Summary

Modifier and Type	Method	Description
void	performAction(Connection connection, OperationObserver observer)	Executes a query using a strategy defined by the implementation.

Methods inherited from class BaseSQLAction

getInMemoryOffset, readResultSet

Modifier and Type	Method	Description
protected int	getInMemoryOffset(int queryOffset)	Returns a value of the offset that will be used to rewind the ResultSet within the SQL action before reading the result rows.
protected void	readResultSet(ResultSet resultSet, RowDescriptor descriptor, Query query, OperationObserver delegate)	Helper method to process a ResultSet.

Methods inherited from class Object

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

Field Details

actionFactory

protected SQLActionVisitor actionFactory

query

protected EJBQLQuery query

Constructor Details

EJBQLAction

public EJBQLAction(EJBQLQuery query,
 SQLActionVisitor actionFactory,
 DataNode dataNode)

Method Details

performAction

public void performAction(Connection connection,
 OperationObserver observer)
                   throws Exception

Description copied from interface: SQLAction

Executes a query using a strategy defined by the implementation.

Throws:

Exception