org.eclipse.datatools.connectivity.oda.impl
Class SimpleResultSet

java.lang.Object
  extended byorg.eclipse.datatools.connectivity.oda.impl.SimpleResultSet
All Implemented Interfaces:
IResultSet

public class SimpleResultSet
extends java.lang.Object
implements IResultSet

Default implementation of IResultSet for a simple ODA runtime driver.


Constructor Summary
SimpleResultSet()
           
 
Method Summary
 void close()
          Closes the cursor associated with this IResultSet.
 int findColumn(java.lang.String columnName)
          Returns the column index of the specified column name.
 java.math.BigDecimal getBigDecimal(int index)
          Gets the value of the designated column in the current row as a decimal.
 java.math.BigDecimal getBigDecimal(java.lang.String columnName)
          Gets the value of the designated column in the current row as a decimal.
 IBlob getBlob(int index)
          Gets the value of the designated column in the current row as an IBlob object.
 IBlob getBlob(java.lang.String columnName)
          Gets the value of the designated column in the current row as an IBlob object.
 IClob getClob(int index)
          Gets the value of the designated column in the current row as an IClob object.
 IClob getClob(java.lang.String columnName)
          Gets the value of the designated column in the current row as an IClob object.
 java.sql.Date getDate(int index)
          Gets the value of the designated column in the current row as a java.sql.Date.
 java.sql.Date getDate(java.lang.String columnName)
          Gets the value of the designated column in the current row as a java.sql.Date.
 double getDouble(int index)
          Gets the value of the designated column in the current row as a double.
 double getDouble(java.lang.String columnName)
          Gets the value of the designated column in the current row as a double.
 int getInt(int index)
          Gets the value of the designated column in the current row as an int.
 int getInt(java.lang.String columnName)
          Gets the value of the designated column in the current row as an int.
 IResultSetMetaData getMetaData()
          Returns the metadata associated with this IResultSet.
 int getRow()
          Returns the current row's 1-based index position.
 java.lang.String getString(int index)
          Gets the value of the designated column in the current row as a String.
 java.lang.String getString(java.lang.String columnName)
          Gets the value of the designated column in the current row as a String.
 java.sql.Time getTime(int index)
          Gets the value of the designated column in the current row as a java.sql.Time.
 java.sql.Time getTime(java.lang.String columnName)
          Gets the value of the designated column in the current row as a java.sql.Time.
 java.sql.Timestamp getTimestamp(int index)
          Gets the value of the designated column in the current row as a java.sql.Timestamp.
 java.sql.Timestamp getTimestamp(java.lang.String columnName)
          Gets the value of the designated column in the current row as a java.sql.Timestamp.
 boolean next()
          Moves the cursor down one row from its current position.
 void setMaxRows(int max)
          Specifies the maximum number of rows that can be fetched from this result set.
 boolean wasNull()
          Returns whether the value read from the previous get<type> method was invalid or null.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SimpleResultSet

public SimpleResultSet()
Method Detail

getMetaData

public IResultSetMetaData getMetaData()
                               throws OdaException
Description copied from interface: IResultSet
Returns the metadata associated with this IResultSet.

Specified by:
getMetaData in interface IResultSet
Returns:
the metadata for this IResultSet
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getMetaData()

setMaxRows

public void setMaxRows(int max)
                throws OdaException
Description copied from interface: IResultSet
Specifies the maximum number of rows that can be fetched from this result set.
An optional method.

Specified by:
setMaxRows in interface IResultSet
Parameters:
max - maximum number of rows that can be fetched from this IResultSet; zero means there is no limit. This value should not be greater than the maximum number of rows specified in the related IQuery.
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.setMaxRows(int)

next

public boolean next()
             throws OdaException
Description copied from interface: IResultSet
Moves the cursor down one row from its current position.

Specified by:
next in interface IResultSet
Returns:
true, if next data row exists and the maxRows limit has not been reached.
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.next()

close

public void close()
           throws OdaException
Description copied from interface: IResultSet
Closes the cursor associated with this IResultSet.

Specified by:
close in interface IResultSet
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.close()

getRow

public int getRow()
           throws OdaException
Description copied from interface: IResultSet
Returns the current row's 1-based index position.
An optional method.

Specified by:
getRow in interface IResultSet
Returns:
current row's 1-based index position
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getRow()

getString

public java.lang.String getString(int index)
                           throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a String. An ODA runtime driver may or may not support getString() on a non-String type column. The format of the returned string is implementation-dependent.

Specified by:
getString in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the string value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getString(int)

getString

public java.lang.String getString(java.lang.String columnName)
                           throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a String. An ODA runtime driver may or may not support getString() on a non-String type column. The format of the returned string is implementation-dependent.

Specified by:
getString in interface IResultSet
Parameters:
columnName - column name
Returns:
the string value in the specific column of the current row
Throws:
OdaException - if data source error occurs.
See Also:
IResultSet.getString(java.lang.String)

getInt

public int getInt(int index)
           throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as an int.

Specified by:
getInt in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the integer value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getInt(int)

getInt

public int getInt(java.lang.String columnName)
           throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as an int.

Specified by:
getInt in interface IResultSet
Parameters:
columnName - column name
Returns:
the integer value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getInt(java.lang.String)

getDouble

public double getDouble(int index)
                 throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a double.

Specified by:
getDouble in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the double value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getDouble(int)

getDouble

public double getDouble(java.lang.String columnName)
                 throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a double.

Specified by:
getDouble in interface IResultSet
Parameters:
columnName - column name
Returns:
the double value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getDouble(java.lang.String)

getBigDecimal

public java.math.BigDecimal getBigDecimal(int index)
                                   throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a decimal.

Specified by:
getBigDecimal in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the decimal value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getBigDecimal(int)

getBigDecimal

public java.math.BigDecimal getBigDecimal(java.lang.String columnName)
                                   throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a decimal.

Specified by:
getBigDecimal in interface IResultSet
Parameters:
columnName - column name
Returns:
the decimal value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getBigDecimal(java.lang.String)

getDate

public java.sql.Date getDate(int index)
                      throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a java.sql.Date.

Specified by:
getDate in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the java.sql.Date value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getDate(int)

getDate

public java.sql.Date getDate(java.lang.String columnName)
                      throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a java.sql.Date.

Specified by:
getDate in interface IResultSet
Parameters:
columnName - column name
Returns:
the java.sql.Date value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getDate(java.lang.String)

getTime

public java.sql.Time getTime(int index)
                      throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a java.sql.Time.

Specified by:
getTime in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the java.sql.Time value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getTime(int)

getTime

public java.sql.Time getTime(java.lang.String columnName)
                      throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a java.sql.Time.

Specified by:
getTime in interface IResultSet
Parameters:
columnName - column name
Returns:
the java.sql.Time value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getTime(java.lang.String)

getTimestamp

public java.sql.Timestamp getTimestamp(int index)
                                throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a java.sql.Timestamp.

Specified by:
getTimestamp in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
the java.sql.Timestamp value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getTimestamp(int)

getTimestamp

public java.sql.Timestamp getTimestamp(java.lang.String columnName)
                                throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as a java.sql.Timestamp.

Specified by:
getTimestamp in interface IResultSet
Parameters:
columnName - column name
Returns:
the java.sql.Timestamp value in the specific column of the current row
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.getTimestamp(java.lang.String)

wasNull

public boolean wasNull()
                throws OdaException
Description copied from interface: IResultSet
Returns whether the value read from the previous get<type> method was invalid or null. This needs to be called immediately after the call to a get<type> method.

Specified by:
wasNull in interface IResultSet
Returns:
true, if the previous get<type> call was invalid or null
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.wasNull()

findColumn

public int findColumn(java.lang.String columnName)
               throws OdaException
Description copied from interface: IResultSet
Returns the column index of the specified column name.

Specified by:
findColumn in interface IResultSet
Parameters:
columnName - name of the column
Returns:
column index (1-based)
Throws:
OdaException - if data source error occurs
See Also:
IResultSet.findColumn(java.lang.String)

getBlob

public IBlob getBlob(int index)
              throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as an IBlob object.

Note: The driver must guarantee that the returned object and its BLOB data would remain valid and accessible until this result set is closed.

Specified by:
getBlob in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
an IBlob object that represents the BLOB value in the specific column of the current row; or null if the specific column has null value
Throws:
OdaException - if data source error occurs

getBlob

public IBlob getBlob(java.lang.String columnName)
              throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as an IBlob object.

Note: The driver must guarantee that the returned object and its BLOB data would remain valid and accessible until this result set is closed.

Specified by:
getBlob in interface IResultSet
Parameters:
columnName - column name
Returns:
an IBlob object that represents the BLOB value in the specific column of the current row; or null if the specific column has null value
Throws:
OdaException - if data source error occurs

getClob

public IClob getClob(int index)
              throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as an IClob object.

Note: The driver must guarantee that the returned object and its CLOB data would remain valid and accessible until this result set is closed.

Specified by:
getClob in interface IResultSet
Parameters:
index - column number (1-based)
Returns:
an IClob object that represents the CLOB value in the specific column of the current row; or null if the specific column has null value
Throws:
OdaException - if data source error occurs

getClob

public IClob getClob(java.lang.String columnName)
              throws OdaException
Description copied from interface: IResultSet
Gets the value of the designated column in the current row as an IClob object.

Note: The driver must guarantee that the returned object and its CLOB data would remain valid and accessible until this result set is closed.

Specified by:
getClob in interface IResultSet
Parameters:
columnName - column name
Returns:
an IClob object that represents the CLOB value in the specific column of the current row; or null if the specific column has null value
Throws:
OdaException - if data source error occurs


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