Package org.apache.hop.execution.sampler

Class ExecutionDataSamplerStoreBase<Store extends IExecutionDataSamplerStore>

java.lang.Object

org.apache.hop.execution.sampler.ExecutionDataSamplerStoreBase<Store>

All Implemented Interfaces:

IExecutionDataSamplerStore

Direct Known Subclasses:

BasicDataProfilingDataSamplerStore, FirstRowsExecutionDataSamplerStore, LastRowsExecutionDataSamplerStore, RandomRowsExecutionDataSamplerStore

public abstract class ExecutionDataSamplerStoreBase<Store extends IExecutionDataSamplerStore>
extends Object
implements IExecutionDataSamplerStore

Field Summary

Fields

Modifier and Type	Field	Description
protected int	maxRows
protected IRowMeta	rowMeta
protected List<Object[]>	rows
protected ExecutionDataSamplerMeta	samplerMeta

Constructor Summary

Constructors

Constructor	Description
ExecutionDataSamplerStoreBase(ExecutionDataSamplerMeta samplerMeta, IRowMeta rowMeta, List<Object[]> rows, int maxRows)

Method Summary

Modifier and Type	Method	Description
IRowListener	createRowListener(IExecutionDataSampler sampler)	Create a row listener to attach to a transform
String	getKeyForStore(String prefix, ExecutionDataSamplerMeta meta)
int	getMaxRows()	Gets maxRows
IRowMeta	getRowMeta()	Gets rowMeta
List<Object[]>	getRows()	Gets rows
ExecutionDataSamplerMeta	getSamplerMeta()	Gets samplerMeta
abstract Store	getStore()
void	init(IVariables variables, IRowMeta inputRowMeta, IRowMeta outputRowMeta)	Initializes this sampler store
void	setMaxRows(int maxRows)	Sets maxRows
void	setRowMeta(IRowMeta rowMeta)	Sets rowMeta
void	setRows(List<Object[]> rows)	Sets rows
void	setSamplerMeta(ExecutionDataSamplerMeta samplerMeta)	Sets samplerMeta

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hop.execution.sampler.IExecutionDataSamplerStore

getSamples, getSamplesMetadata

Field Detail

samplerMeta

protected ExecutionDataSamplerMeta samplerMeta

rowMeta

protected IRowMeta rowMeta

rows

protected List<Object[]> rows

maxRows

protected int maxRows

Constructor Detail

ExecutionDataSamplerStoreBase

public ExecutionDataSamplerStoreBase(ExecutionDataSamplerMeta samplerMeta,
                                     IRowMeta rowMeta,
                                     List<Object[]> rows,
                                     int maxRows)

Method Detail

getStore

public abstract Store getStore()

init

public void init(IVariables variables,
                 IRowMeta inputRowMeta,
                 IRowMeta outputRowMeta)

Description copied from interface: IExecutionDataSamplerStore

Initializes this sampler store

Specified by:

init in interface IExecutionDataSamplerStore

Parameters:

variables - The variables to resolve with

inputRowMeta - Transform input row metadata

outputRowMeta - Transform output row metadata

createRowListener

public IRowListener createRowListener(IExecutionDataSampler sampler)

Description copied from interface: IExecutionDataSamplerStore

Create a row listener to attach to a transform

Specified by:

createRowListener in interface IExecutionDataSamplerStore

Returns:

The row listener for this store.

getKeyForStore

public String getKeyForStore(String prefix,
                             ExecutionDataSamplerMeta meta)

getSamplerMeta

public ExecutionDataSamplerMeta getSamplerMeta()

Gets samplerMeta

Returns:

value of samplerMeta

setSamplerMeta

public void setSamplerMeta(ExecutionDataSamplerMeta samplerMeta)

Sets samplerMeta

Parameters:

samplerMeta - value of samplerMeta

getRowMeta

public IRowMeta getRowMeta()

Gets rowMeta

Returns:

value of rowMeta

setRowMeta

public void setRowMeta(IRowMeta rowMeta)

Sets rowMeta

Parameters:

rowMeta - value of rowMeta

getRows

public List<Object[]> getRows()

Gets rows

Returns:

value of rows

setRows

public void setRows(List<Object[]> rows)

Sets rows

Parameters:

rows - value of rows

getMaxRows

public int getMaxRows()

Gets maxRows

Returns:

value of maxRows

setMaxRows

public void setMaxRows(int maxRows)

Sets maxRows

Parameters:

maxRows - value of maxRows