com.datumbox.framework.common.dataobjects

Class TransposeDataCollection

java.lang.Object

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

com.datumbox.framework.common.dataobjects.AbstractDataStructureMap<java.util.Map<java.lang.Object,FlatDataCollection>>

com.datumbox.framework.common.dataobjects.TransposeDataCollection

All Implemented Interfaces:

java.io.Serializable

public class TransposeDataCollection
extends AbstractDataStructureMap<java.util.Map<java.lang.Object,FlatDataCollection>>

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. The class provides a number of methods to access and modify the internal map.

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

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

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TransposeDataCollection

public TransposeDataCollection()

Default constructor which initializes the internal data with a LinkedHashMap.

TransposeDataCollection

public TransposeDataCollection(java.util.Map<java.lang.Object,FlatDataCollection> internalData)

Constructor that initializes the internal data with the provided map.

Parameters:

internalData -

Method Detail

remove

public final FlatDataCollection remove(java.lang.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 FlatDataCollection get(java.lang.Object key)

Returns the value which is associated with the provided key.

Parameters:

key -

Returns:

put

public final FlatDataCollection put(java.lang.Object key,
                                    FlatDataCollection 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 java.util.Set<java.util.Map.Entry<java.lang.Object,FlatDataCollection>> entrySet()

Returns the entrySet of the internal map.

Returns:

keySet

public final java.util.Set<java.lang.Object> keySet()

Returns the keySet of the internal map.

Returns:

values

public final java.util.Collection<FlatDataCollection> values()

Returns the values of the internal map.

Returns:

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object