Class ResultSetGetter

java.lang.Object

org.datanucleus.store.fieldmanager.AbstractFieldManager

org.datanucleus.store.rdbms.fieldmanager.ResultSetGetter

All Implemented Interfaces:

org.datanucleus.store.fieldmanager.FieldManager

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 final org.datanucleus.ExecutionContext	ec
protected final StatementClassMapping	resultMappings
protected final ResultSet	rs
protected org.datanucleus.state.DNStateManager	sm

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)
private Object	processSubObjectFields(JavaTypeMapping mapping, Class<?> fieldType, StatementClassMapping relationMappings)
void	setStateManager(org.datanucleus.state.DNStateManager sm)	Method to set StateManager 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 Object

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

Field Details

ec

protected final org.datanucleus.ExecutionContext ec

rs

protected final ResultSet rs

resultMappings

protected final StatementClassMapping resultMappings

sm

protected org.datanucleus.state.DNStateManager sm

cmd

protected org.datanucleus.metadata.AbstractClassMetaData cmd

Constructor Details

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 Details

setStateManager

public void setStateManager(org.datanucleus.state.DNStateManager sm)

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

Parameters:

sm - StateManager that we are applying to.

fetchBooleanField

public boolean fetchBooleanField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchCharField

public char fetchCharField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchByteField

public byte fetchByteField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchShortField

public short fetchShortField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchIntField

public int fetchIntField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchLongField

public long fetchLongField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchFloatField

public float fetchFloatField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchDoubleField

public double fetchDoubleField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchStringField

public String fetchStringField(int fieldNumber)

Specified by:

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

Overrides:

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

fetchObjectField

public Object fetchObjectField(int fieldNumber)

Specified by:

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

Overrides:

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

processSubObjectFields

private Object processSubObjectFields(JavaTypeMapping mapping,
 Class<?> fieldType,
 StatementClassMapping relationMappings)