Package com.datumbox.framework.common.dataobjects

Class TransposeDataCollection2D

java.lang.Object

com.datumbox.framework.common.dataobjects.AbstractDataStructure<T>

com.datumbox.framework.common.dataobjects.AbstractDataStructureMap<Map<Object,TransposeDataCollection>>

com.datumbox.framework.common.dataobjects.TransposeDataCollection2D

All Implemented Interfaces:

Serializable

public class TransposeDataCollection2D
extends AbstractDataStructureMap<Map<Object,TransposeDataCollection>>

Data structure which stores internally a Map. This data structure is usually used when we want to store the values of a particular variable separately per each category or group combination. The class provides a number of methods to access and modify the internal map.

Author:

Vasilis Vryniotis

See Also:

Serialized Form

Field Summary

Fields inherited from class com.datumbox.framework.common.dataobjects.AbstractDataStructure

internalData

Constructor Summary

Constructors

Constructor	Description
TransposeDataCollection2D()	Default constructor which initializes the internal data with a LinkedHashMap.
TransposeDataCollection2D(Map<Object,TransposeDataCollection> internalData)	Constructor that initializes the internal data with the provided map.

Method Summary

Modifier and Type	Method	Description
Set<Map.Entry<Object,TransposeDataCollection>>	entrySet()	Returns the entrySet of the internal map.
boolean	equals(Object o)
TransposeDataCollection	get(Object key)	Returns the value which is associated with the provided key.
int	hashCode()
Set<Object>	keySet()	Returns the keySet of the internal map.
TransposeDataCollection	put(Object key, TransposeDataCollection value)	Adds a particular key-value into the internal map.
TransposeDataCollection	remove(Object key)	Removes a particular key from the internal map and returns the value associated with that key if present in the map.
Collection<TransposeDataCollection>	values()	Returns the values of the internal map.

Methods inherited from class com.datumbox.framework.common.dataobjects.AbstractDataStructureMap

clear, containsKey, isEmpty, size

Methods inherited from class java.lang.Object

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

Constructor Detail

TransposeDataCollection2D

public TransposeDataCollection2D()

Default constructor which initializes the internal data with a LinkedHashMap.

TransposeDataCollection2D

public TransposeDataCollection2D(Map<Object,TransposeDataCollection> internalData)

Constructor that initializes the internal data with the provided map.

Parameters:

internalData -

Method Detail

remove

public final TransposeDataCollection remove(Object key)

Removes a particular key from the internal map and returns the value associated with that key if present in the map.

Parameters:

key -

Returns:

get

public final TransposeDataCollection get(Object key)

Returns the value which is associated with the provided key.

Parameters:

key -

Returns:

put

public final TransposeDataCollection put(Object key,
                                         TransposeDataCollection value)

Adds a particular key-value into the internal map. It returns the previous value which was associated with that key.

Parameters:

key -

value -

Returns:

entrySet

public final Set<Map.Entry<Object,TransposeDataCollection>> entrySet()

Returns the entrySet of the internal map.

Returns:

keySet

public final Set<Object> keySet()

Returns the keySet of the internal map.

Returns:

values

public final Collection<TransposeDataCollection> values()

Returns the values of the internal map.

Returns:

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object