Package com.datumbox.framework.common.dataobjects

Class FlatDataCollection

java.lang.Object

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

com.datumbox.framework.common.dataobjects.AbstractDataStructureCollection<Collection<Object>>

com.datumbox.framework.common.dataobjects.FlatDataCollection

All Implemented Interfaces:

Serializable, Iterable<Object>, Collection<Object>

public class FlatDataCollection
extends AbstractDataStructureCollection<Collection<Object>>
implements Collection<Object>

The FlatDataCollection is a data structure that stores internally a Collection<Object>. The actual implementation of the collection can be Sets, Lists etc and they must store Objects internally. The class provides a set of useful methods to access and modify the contents of the collection.

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
FlatDataCollection(Collection<Object> internalData)	Public constructor which accepts as argument a Collection of Objects.

Method Summary

Modifier and Type	Method	Description
boolean	add(Object e)	It adds an object in the collection.
boolean	addAll(Collection<?> c)
boolean	containsAll(Collection<?> c)
boolean	equals(Object o)
int	hashCode()
Iterator<Object>	iterator()
boolean	remove(Object o)	Removes a particular object from the internal data.
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
<T> T[]	toArray(T[] a)
FlatDataList	toFlatDataList()	Converts the FlatDataCollection to a FlatDataList trying (if possible) not to copy the data.

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

clear, contains, isEmpty, iteratorDouble, size, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

clear, contains, isEmpty, parallelStream, removeIf, size, spliterator, stream, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

FlatDataCollection

public FlatDataCollection(Collection<Object> internalData)

Public constructor which accepts as argument a Collection of Objects.

Parameters:

internalData -

Method Detail

remove

public final boolean remove(Object o)

Removes a particular object from the internal data. It returns a boolean which indicates whether the object was found the collection.

Specified by:

remove in interface Collection<Object>

Parameters:

o -

Returns:

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<Object>

addAll

public boolean addAll(Collection<?> c)

Specified by:

addAll in interface Collection<Object>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<Object>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<Object>

add

public final boolean add(Object e)

It adds an object in the collection. It returns a boolean which indicates whether the collection changed as a result of the call.

Specified by:

add in interface Collection<Object>

Parameters:

e -

Returns:

iterator

public final Iterator<Object> iterator()

Specified by:

iterator in interface Collection<Object>

Specified by:

iterator in interface Iterable<Object>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<Object>

toFlatDataList

public final FlatDataList toFlatDataList()

Converts the FlatDataCollection to a FlatDataList trying (if possible) not to copy the data.

Returns:

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<Object>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<Object>

Overrides:

hashCode in class Object