info.informatica.data
Class GenericDataset

java.lang.Object
  info.informatica.data.AbstractDataset
      info.informatica.data.GenericDataset

All Implemented Interfaces:

Dataset

Direct Known Subclasses:

ArrayIteratorDataset, EmptyDataset, IteratorDataset, ListDataset

public abstract class GenericDataset
extends AbstractDataset

An abstract Generic Dataset to be used by subclasses.

Version:

1.03

Author:

amengual at informatica dot info

Constructor Summary

GenericDataset(Collection<String> column_names)

GenericDataset(List<String> column_names)

Method Summary

void	close() Closes the Dataset.
Date	getDate(FieldName id) Returns Date of name id.
Date	getDate(int i) Returns Date of index i.
double	getDouble(FieldName id) Returns double of name id
double	getDouble(int i) Returns int of index i
int	getInt(FieldName id) Returns int of name id
int	getInt(int i) Returns int of index i
long	getLong(FieldName id) Returns long of name id
long	getLong(int i) Returns long of index i
Map<FieldName,Object>	getMap() Gets a name-> values map containing the current data row.
MetaData	getMetaData() Gets the meta data for this data set.
Dataset	getNestedSet(String datasetName) It is allowed to have another Datasets nested to the current Dataset row.
Object	getObject(FieldName id) Returns Object of name id
Object	getObject(int i) Returns Object of index i
String	getString(FieldName id) Returns String of name id.
String	getString(int i) Returns String of index i.
void	setMetaData(MetaData md)

Methods inherited from class info.informatica.data.AbstractDataset

evaluate, findColumn, getCatalogName, getColumnCount, getColumnName, getEnviron, getLabel, next, setEnviron, setLabel

Methods inherited from class java.lang.Object

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

Methods inherited from interface info.informatica.data.Dataset

isAfterLast, isEmpty, isLast, reset

Constructor Detail

GenericDataset

public GenericDataset(List<String> column_names)

GenericDataset

public GenericDataset(Collection<String> column_names)

Method Detail

getDate

public Date getDate(int i)
             throws DatasetException

Description copied from interface: Dataset

Returns Date of index i.

Returns:

the Date value of index i.

Throws:

DatasetException - if the data repository produced an error.

getDate

public Date getDate(FieldName id)
             throws DatasetException

Description copied from interface: Dataset

Returns Date of name id.

Returns:

the Date value of name id.

Throws:

DatasetException - if the data repository produced an error.

getDouble

public double getDouble(int i)
                 throws DatasetException

Description copied from interface: Dataset

Returns int of index i

Throws:

DatasetException - if the data repository produced an error.

getDouble

public double getDouble(FieldName id)
                 throws DatasetException

Description copied from interface: Dataset

Returns double of name id

Throws:

DatasetException - if the data repository produced an error.

getInt

public int getInt(int i)
           throws DatasetException

Description copied from interface: Dataset

Returns int of index i

Throws:

DatasetException - if the data repository produced an error.

getInt

public int getInt(FieldName id)
           throws DatasetException

Description copied from interface: Dataset

Returns int of name id

Throws:

DatasetException - if the data repository produced an error.

getObject

public Object getObject(int i)
                 throws DatasetException

Description copied from interface: Dataset

Returns Object of index i

Throws:

DatasetException - if the data repository produced an error.

getObject

public Object getObject(FieldName id)
                 throws DatasetException

Description copied from interface: Dataset

Returns Object of name id

Throws:

DatasetException - if the data repository produced an error.

getString

public String getString(int i)
                 throws DatasetException

Description copied from interface: Dataset

Returns String of index i.

Throws:

DatasetException - if the data repository produced an error.

getString

public String getString(FieldName id)
                 throws DatasetException

Description copied from interface: Dataset

Returns String of name id.

Throws:

DatasetException - if the data repository produced an error.

getLong

public long getLong(int i)
             throws DatasetException

Description copied from interface: Dataset

Returns long of index i

Throws:

DatasetException - if the data repository produced an error.

getLong

public long getLong(FieldName id)
             throws DatasetException

Description copied from interface: Dataset

Returns long of name id

Throws:

DatasetException - if the data repository produced an error.

setMetaData

public void setMetaData(MetaData md)

getMetaData

public MetaData getMetaData()
                     throws DataException

Gets the meta data for this data set.

Specified by:

getMetaData in interface Dataset

Overrides:

getMetaData in class AbstractDataset

Returns:

the meta data for this data set.

Throws:

DataException - if the data repository produced an error.

close

public void close()
           throws DatasetException

Description copied from interface: Dataset

Closes the Dataset.

No further work is possible with the Dataset after closing it.

Specified by:

close in interface Dataset

Overrides:

close in class AbstractDataset

Throws:

DatasetException - if an error happens when closing the Dataset.

getNestedSet

public Dataset getNestedSet(String datasetName)
                     throws DatasetException

Description copied from interface: Dataset

It is allowed to have another Datasets nested to the current Dataset row.

This is an optional operation. Datasets not supporting it must throw an UnsupportedOperationException.

Specified by:

getNestedSet in interface Dataset

Overrides:

getNestedSet in class AbstractDataset

Parameters:

datasetName - the name of the requested Dataset.

Returns:

the Dataset nested into the current row.

Throws:

DatasetException - if the data repository produced an error.

getMap

public Map<FieldName,Object> getMap()
                             throws DatasetException

Gets a name-> values map containing the current data row.

Returns:

a Map with the current data row. Cannot return null.

Throws:

DatasetException - if an error happens when creating the Map.