Package com.sun.jdo.spi.persistence.support.sqlstore.sql.generator

Class DBStatement

java.lang.Object

com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.DBStatement

public class DBStatement
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static String	BATCH_THRESHOLD_PROPERTY	Name of the batch threshold property.

Constructor Summary

Constructors

Constructor	Description
DBStatement(Connection conn, String statementText, int timeout)	This constructor is used for batched updates.

Method Summary

Modifier and Type	Method	Description
void	addBatch()	Increases the batch counter and delegates the addBatch call to the PreparedStatement wrapped by this DBStatement.
void	bindInputColumn(int index, Object val, org.netbeans.modules.dbschema.ColumnElement columnElement, DBVendorType vendorType)	Binds the specified value to the column corresponding with the specified index reference.
void	close()	Delegates the close call to the PreparedStatement wrapped by this DBStatement.
boolean	exceedsBatchThreshold()	Checks whether the current number of batched commands exceeds the batch threshold defined by BATCH_THRESHOLD.
int[]	executeBatch()	Delegates the executeBatch call to the PreparedStatement wrapped by this DBStatement and resets the batch counter.
ResultSet	executeQuery()	Delegates the executeQuery call to the PreparedStatement wrapped by this DBStatement.
int	executeUpdate()	Delegates the executeUpdate call to the PreparedStatement wrapped by this DBStatement.
PreparedStatement	getPreparedStatement()	Returns the wrapped PreparedStatement.
String	getStatementText()	Returns the SQL text.

Methods inherited from class java.lang.Object

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

Field Detail

BATCH_THRESHOLD_PROPERTY

public static final String BATCH_THRESHOLD_PROPERTY

Name of the batch threshold property.

See Also:

Constant Field Values

Constructor Detail

DBStatement

public DBStatement(Connection conn,
                   String statementText,
                   int timeout)
            throws SQLException

This constructor is used for batched updates.

Parameters:

conn - the connection

statementText - the statement text

timeout - the query timeout

Throws:

SQLException

Method Detail

getStatementText

public String getStatementText()

Returns the SQL text.

getPreparedStatement

public PreparedStatement getPreparedStatement()

Returns the wrapped PreparedStatement.

exceedsBatchThreshold

public boolean exceedsBatchThreshold()

Checks whether the current number of batched commands exceeds the batch threshold defined by BATCH_THRESHOLD.

addBatch

public void addBatch()
              throws SQLException

Increases the batch counter and delegates the addBatch call to the PreparedStatement wrapped by this DBStatement.

Throws:

SQLException

executeBatch

public int[] executeBatch()
                   throws SQLException

Delegates the executeBatch call to the PreparedStatement wrapped by this DBStatement and resets the batch counter.

Throws:

SQLException

executeUpdate

public int executeUpdate()
                  throws SQLException

Delegates the executeUpdate call to the PreparedStatement wrapped by this DBStatement.

Throws:

SQLException

executeQuery

public ResultSet executeQuery()
                       throws SQLException

Delegates the executeQuery call to the PreparedStatement wrapped by this DBStatement.

Throws:

SQLException

close

public void close()
           throws SQLException

Delegates the close call to the PreparedStatement wrapped by this DBStatement.

Throws:

SQLException

bindInputColumn

public void bindInputColumn(int index,
                            Object val,
                            org.netbeans.modules.dbschema.ColumnElement columnElement,
                            DBVendorType vendorType)
                     throws SQLException

Binds the specified value to the column corresponding with the specified index reference.

Parameters:

index - the index

val - the value

columnElement - the columnElement corresponding to the parameter marker at specified index. This parameter will always contain correct value when called for sql statements corresponding to insert and update For select statements this parameter can be null if query compiler is not able to detect java field for a parameter or value passed to the query. Please see RetrieveDescImpl#addValueConstraint for more information

vendorType - the vendor type

Throws:

SQLException - thrown by setter methods on java.sql.PreparedStatement

See Also:

RetrieveDescImpl.addValueConstraint(java.lang.String, java.lang.Object)