Package org.openjump.core.ui.plugin.tools.aggregate

Class Aggregators.ConcatenateUnique

java.lang.Object

org.openjump.core.ui.plugin.tools.aggregate.Aggregators.ConcatenateUnique

All Implemented Interfaces:

Aggregator<Object>

Enclosing class:

Aggregators

public static class Aggregators.ConcatenateUnique
extends Object

Field Summary

Fields inherited from interface org.openjump.core.ui.plugin.tools.aggregate.Aggregator

SEPARATOR_NAME

Constructor Summary

Constructors

Constructor	Description
ConcatenateUnique(boolean ignoreNull)

Method Summary

Modifier and Type	Method	Description
void	addValue(T object)	Adds a new value to the aggregator.
Aggregators.ConcatenateUnique	clone()	Create a new Aggregator with the same attributes as this one.
String	getName()	Returns the name of this Aggregator.
AttributeType	getOutputAttributeType()
Object	getParameter(String name)	Returns parameter value for name parameter.
Set<String>	getParameters()	Return parameter names used by this aggregator
String	getResult()
List<T>	getValues()
boolean	ignoreNull()	Returns true if this aggregator must ignore null values.
void	reset()	Reset the aggregator (clear the list of values)
void	setIgnoreNull(boolean ignoreNull)	Change the way this aggregator process null values.
void	setParameter(String name, Object value)	Set a parameter value for this aggregator.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcatenateUnique

public ConcatenateUnique(boolean ignoreNull)

Method Detail

clone

public Aggregators.ConcatenateUnique clone()

Description copied from interface: Aggregator

Create a new Aggregator with the same attributes as this one.

Specified by:

clone in interface Aggregator<Object>

getResult

public String getResult()

Specified by:

getResult in interface Aggregator<Object>

Returns:

the aggregated value.

getParameters

public Set<String> getParameters()

Description copied from interface: Aggregator

Return parameter names used by this aggregator

Specified by:

getParameters in interface Aggregator<T>

Returns:

the set of parameters

setParameter

public void setParameter(String name,
                         Object value)

Description copied from interface: Aggregator

Set a parameter value for this aggregator.

Specified by:

setParameter in interface Aggregator<T>

Parameters:

name - the name of the aggregator

value - the new value of the parameter

getParameter

public Object getParameter(String name)

Description copied from interface: Aggregator

Returns parameter value for name parameter.

Specified by:

getParameter in interface Aggregator<T>

Parameters:

name - the name of the parameter

getName

public String getName()

Description copied from interface: Aggregator

Returns the name of this Aggregator.

Specified by:

getName in interface Aggregator<T>

ignoreNull

public boolean ignoreNull()

Description copied from interface: Aggregator

Returns true if this aggregator must ignore null values.

Specified by:

ignoreNull in interface Aggregator<T>

setIgnoreNull

public void setIgnoreNull(boolean ignoreNull)

Description copied from interface: Aggregator

Change the way this aggregator process null values.

Specified by:

setIgnoreNull in interface Aggregator<T>

addValue

public void addValue(T object)

Description copied from interface: Aggregator

Adds a new value to the aggregator.

Specified by:

addValue in interface Aggregator<T>

Parameters:

object - value to be added

getValues

public List<T> getValues()

Specified by:

getValues in interface Aggregator<T>

Returns:

the values accumulated by this aggregator.

getOutputAttributeType

public AttributeType getOutputAttributeType()

Specified by:

getOutputAttributeType in interface Aggregator<T>

Returns:

the AttributeType of the aggregated value.

reset

public void reset()

Description copied from interface: Aggregator

Reset the aggregator (clear the list of values)

Specified by:

reset in interface Aggregator<T>

toString

public String toString()

Overrides:

toString in class Object