Class PostgresBatchAction

java.lang.Object

org.apache.cayenne.access.jdbc.BaseSQLAction

org.apache.cayenne.access.jdbc.BatchAction

org.apache.cayenne.dba.postgres.PostgresBatchAction

All Implemented Interfaces:

SQLAction

public class PostgresBatchAction
extends BatchAction

Field Summary

Fields inherited from class BatchAction

keyRowDescriptor, query, runningAsBatch

Modifier and Type	Field	Description
protected RowDescriptor	keyRowDescriptor
protected BatchQuery	query
protected boolean	runningAsBatch

Fields inherited from class BaseSQLAction

dataNode

Modifier and Type	Field	Description
protected DataNode	dataNode

Constructor Summary

Constructors

Constructor	Description
PostgresBatchAction(BatchQuery query, DataNode dataNode, boolean runningAsBatch)

Method Summary

Modifier and Type	Method	Description
protected PreparedStatement	prepareStatement(Connection connection, String queryStr, DbAdapter adapter, boolean generatedKeys)

Methods inherited from class BatchAction

canRunAsBatch, createTranslator, getQuery, hasGeneratedKeys, performAction, processGeneratedKeys, processGeneratedKeys, runAsBatch, runAsIndividualQueries, supportsGeneratedKeys

Modifier and Type	Method	Description
protected boolean	canRunAsBatch()
protected BatchTranslator	createTranslator()
BatchQuery	getQuery()
protected boolean	hasGeneratedKeys()	Returns whether BatchQuery generates any keys.
void	performAction(Connection connection, OperationObserver observer)	Executes a query using a strategy defined by the implementation.
protected void	processGeneratedKeys(Statement statement, OperationObserver observer, List<BatchQueryRow> rows)
protected void	processGeneratedKeys(Statement statement, OperationObserver observer, BatchQueryRow row)	Implements generated keys extraction supported in JDBC 3.0 specification.
protected void	runAsBatch(Connection con, BatchTranslator translator, OperationObserver delegate, boolean generatesKeys)
protected void	runAsIndividualQueries(Connection connection, BatchTranslator translator, OperationObserver delegate, boolean generatesKeys)	Executes batch as individual queries over the same prepared statement.
protected boolean	supportsGeneratedKeys(boolean isBatch)

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

Constructor Details

PostgresBatchAction

public PostgresBatchAction(BatchQuery query,
 DataNode dataNode,
 boolean runningAsBatch)

Since:

4.0

Method Details

prepareStatement

protected PreparedStatement prepareStatement(Connection connection,
 String queryStr,
 DbAdapter adapter,
 boolean generatedKeys)
                                      throws SQLException

Overrides:

prepareStatement in class BatchAction

Throws:

SQLException