Package org.pentaho.di.core.parameters

Class NamedParamsDefault

java.lang.Object

org.pentaho.di.core.parameters.NamedParamsDefault

All Implemented Interfaces:

NamedParams

public class NamedParamsDefault
extends Object
implements NamedParams

This class is an implementation of NamedParams.

Author:

Sven Boden

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,org.pentaho.di.core.parameters.NamedParamsDefault.OneNamedParam>	params	Map to store named parameters in.

Constructor Summary

Constructors

Constructor	Description
NamedParamsDefault()	Default constructor.

Method Summary

Modifier and Type	Method	Description
void	activateParameters()	Activate the currently set parameters
void	addParameterDefinition(String key, String defValue, String description)	Add a parameter definition to this set.
void	clearParameters()	Clear all parameters
void	copyParametersFrom(NamedParams aParam)	Copy params to these named parameters (clearing out first).
void	eraseParameters()	Clear the values.
String	getParameterDefault(String key)	Get the default value of a parameter.
String	getParameterDescription(String key)	Get the description of a parameter.
String	getParameterValue(String key)	Get the value of a parameter.
String[]	listParameters()	List the parameters.
void	mergeParametersWith(NamedParams aParam, boolean replace)	Merge the given named parameters with current ones.
void	setParameterValue(String key, String value)	Set the value of a parameter.

Methods inherited from class java.lang.Object

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

Field Details

params

protected Map<String,org.pentaho.di.core.parameters.NamedParamsDefault.OneNamedParam> params

Map to store named parameters in.

Constructor Details

NamedParamsDefault

public NamedParamsDefault()

Default constructor.

Method Details

addParameterDefinition

public void addParameterDefinition(String key,
 String defValue,
 String description)
                            throws DuplicateParamException

Description copied from interface: NamedParams

Add a parameter definition to this set. TODO: default, throw exception

Specified by:

addParameterDefinition in interface NamedParams

Parameters:

key - Name of the parameter.

defValue - default value.

description - Description of the parameter.

Throws:

DuplicateParamException - Upon duplicate parameter definitions

getParameterDescription

public String getParameterDescription(String key)
                               throws UnknownParamException

Description copied from interface: NamedParams

Get the description of a parameter.

Specified by:

getParameterDescription in interface NamedParams

Parameters:

key - Key to get value for.

Returns:

description of parameter key.

Throws:

UnknownParamException - Parameter 'key' is unknown.

getParameterValue

public String getParameterValue(String key)
                         throws UnknownParamException

Description copied from interface: NamedParams

Get the value of a parameter.

Specified by:

getParameterValue in interface NamedParams

Parameters:

key - Key to get value for.

Returns:

value of parameter key.

Throws:

UnknownParamException - Parameter 'key' is unknown.

getParameterDefault

public String getParameterDefault(String key)
                           throws UnknownParamException

Description copied from interface: NamedParams

Get the default value of a parameter.

Specified by:

getParameterDefault in interface NamedParams

Parameters:

key - Key to get value for.

Returns:

default value for parameter key.

Throws:

UnknownParamException - Parameter 'key' is unknown.

listParameters

public String[] listParameters()

Description copied from interface: NamedParams

List the parameters.

Specified by:

listParameters in interface NamedParams

Returns:

Array of parameters.

setParameterValue

public void setParameterValue(String key,
 String value)

Description copied from interface: NamedParams

Set the value of a parameter.

Specified by:

setParameterValue in interface NamedParams

Parameters:

key - key to set value of

value - value to set it to.

eraseParameters

public void eraseParameters()

Description copied from interface: NamedParams

Clear the values.

Specified by:

eraseParameters in interface NamedParams

clearParameters

public void clearParameters()

Description copied from interface: NamedParams

Clear all parameters

Specified by:

clearParameters in interface NamedParams

activateParameters

public void activateParameters()

Description copied from interface: NamedParams

Activate the currently set parameters

Specified by:

activateParameters in interface NamedParams

copyParametersFrom

public void copyParametersFrom(NamedParams aParam)

Description copied from interface: NamedParams

Copy params to these named parameters (clearing out first).

Specified by:

copyParametersFrom in interface NamedParams

Parameters:

aParam - the parameters to copy from.

mergeParametersWith

public void mergeParametersWith(NamedParams aParam,
 boolean replace)

Description copied from interface: NamedParams

Merge the given named parameters with current ones.

Specified by:

mergeParametersWith in interface NamedParams

Parameters:

aParam - the parameters to merge with.

replace - replace if exists