Package org.datanucleus.store.rdbms.fieldmanager

Class ResultSetGetter

java.lang.Object

org.datanucleus.store.fieldmanager.AbstractFieldManager

org.datanucleus.store.rdbms.fieldmanager.ResultSetGetter

All Implemented Interfaces:

org.datanucleus.store.fieldmanager.FieldConsumer, org.datanucleus.store.fieldmanager.FieldManager, org.datanucleus.store.fieldmanager.FieldSupplier

public class ResultSetGetter
extends org.datanucleus.store.fieldmanager.AbstractFieldManager

ResultSet getter implementation of a field manager, extracting field values from a ResultSet.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.datanucleus.metadata.AbstractClassMetaData	cmd
protected org.datanucleus.ExecutionContext	ec
protected org.datanucleus.state.ObjectProvider	op
protected StatementClassMapping	resultMappings
protected ResultSet	rs

Constructor Summary

Constructors

Constructor	Description
ResultSetGetter(org.datanucleus.ExecutionContext ec, ResultSet rs, StatementClassMapping resultMappings, org.datanucleus.metadata.AbstractClassMetaData cmd)	Constructor for a ResultSet with particular result mappings and root class metadata.

Method Summary

Modifier and Type	Method	Description
boolean	fetchBooleanField(int fieldNumber)
byte	fetchByteField(int fieldNumber)
char	fetchCharField(int fieldNumber)
double	fetchDoubleField(int fieldNumber)
float	fetchFloatField(int fieldNumber)
int	fetchIntField(int fieldNumber)
long	fetchLongField(int fieldNumber)
Object	fetchObjectField(int fieldNumber)
short	fetchShortField(int fieldNumber)
String	fetchStringField(int fieldNumber)
void	setObjectProvider(org.datanucleus.state.ObjectProvider op)	Method to set the ObjectProvider that processing applies to.

Methods inherited from class org.datanucleus.store.fieldmanager.AbstractFieldManager

storeBooleanField, storeByteField, storeCharField, storeDoubleField, storeFloatField, storeIntField, storeLongField, storeObjectField, storeShortField, storeStringField

Methods inherited from class java.lang.Object

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

Field Detail

ec

protected final org.datanucleus.ExecutionContext ec

rs

protected final ResultSet rs

resultMappings

protected final StatementClassMapping resultMappings

op

protected org.datanucleus.state.ObjectProvider op

cmd

protected org.datanucleus.metadata.AbstractClassMetaData cmd

Constructor Detail

ResultSetGetter

public ResultSetGetter(org.datanucleus.ExecutionContext ec,
                       ResultSet rs,
                       StatementClassMapping resultMappings,
                       org.datanucleus.metadata.AbstractClassMetaData cmd)

Constructor for a ResultSet with particular result mappings and root class metadata.

Parameters:

ec - Execution Context

rs - the ResultSet

resultMappings - Mappings for the results for this class

cmd - Metadata for the class

Method Detail

setObjectProvider

public void setObjectProvider(org.datanucleus.state.ObjectProvider op)

Method to set the ObjectProvider that processing applies to. This is typically called just before processing the current persistable object on the current row.

Parameters:

op - The ObjectProvider that we are applying to.

fetchBooleanField

public boolean fetchBooleanField(int fieldNumber)

Specified by:

fetchBooleanField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchBooleanField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchCharField

public char fetchCharField(int fieldNumber)

Specified by:

fetchCharField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchCharField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchByteField

public byte fetchByteField(int fieldNumber)

Specified by:

fetchByteField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchByteField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchShortField

public short fetchShortField(int fieldNumber)

Specified by:

fetchShortField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchShortField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchIntField

public int fetchIntField(int fieldNumber)

Specified by:

fetchIntField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchIntField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchLongField

public long fetchLongField(int fieldNumber)

Specified by:

fetchLongField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchLongField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchFloatField

public float fetchFloatField(int fieldNumber)

Specified by:

fetchFloatField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchFloatField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchDoubleField

public double fetchDoubleField(int fieldNumber)

Specified by:

fetchDoubleField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchDoubleField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchStringField

public String fetchStringField(int fieldNumber)

Specified by:

fetchStringField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchStringField in class org.datanucleus.store.fieldmanager.AbstractFieldManager

fetchObjectField

public Object fetchObjectField(int fieldNumber)

Specified by:

fetchObjectField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchObjectField in class org.datanucleus.store.fieldmanager.AbstractFieldManager