com.datumbox.framework.common.dataobjects

Class AbstractDataStructureCollection<T extends java.util.Collection<?>>

java.lang.Object

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

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

Type Parameters:

T -

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

AbstractDataStructureList, FlatDataCollection

public abstract class AbstractDataStructureCollection<T extends java.util.Collection<?>>
extends AbstractDataStructure<T>

Abstract class for every AbstractDataStructure which internally uses a Collection Object.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractDataStructureCollection(T data) Public constructor which takes as argument the appropriate Java collection.

Method Summary

Modifier and Type	Method and Description
void	clear() Clears the internal data.
boolean	contains(java.lang.Object o) Checks whether the provided object is contained in the internal data.
boolean	isEmpty() Checks if the internal data are empty.
java.util.Iterator<java.lang.Double>	iteratorDouble() Iterator which casts the values of the Data Structure from Object to Double.
int	size() Returns the size of the collection.
java.lang.Object[]	toArray() Returns a copy of the internal data as an Array.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDataStructureCollection

public AbstractDataStructureCollection(T data)

Public constructor which takes as argument the appropriate Java collection.

Parameters:

data -

Method Detail

size

public final int size()

Returns the size of the collection.

Returns:

clear

public final void clear()

Clears the internal data.

isEmpty

public final boolean isEmpty()

Checks if the internal data are empty.

Returns:

toArray

public final java.lang.Object[] toArray()

Returns a copy of the internal data as an Array. Note that this method copies the data, so its use must be avoided.

Returns:

contains

public final boolean contains(java.lang.Object o)

Checks whether the provided object is contained in the internal data.

Parameters:

o -

Returns:

iteratorDouble

public final java.util.Iterator<java.lang.Double> iteratorDouble()

Iterator which casts the values of the Data Structure from Object to Double. This iterator should be used only when the underling Data Structure contains Numeric or Boolean values. Accessing this iterator when other data types are stored will lead to an Exception.

Returns: