org.apache.jdo.impl.sco

Class Vector

java.lang.Object

java.util.AbstractCollection

java.util.AbstractList

java.util.Vector

org.apache.jdo.impl.sco.Vector

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable, java.util.Collection, java.util.List, java.util.RandomAccess, SCO, SCOCollection

public class Vector
extends java.util.Vector
implements SCOCollection

A mutable 2nd class object that represents Vector.

Version:

1.0.1

Author:

Marina Vatkina

See Also:

Vector, Serialized Form

Field Summary

Fields inherited from class java.util.Vector

capacityIncrement, elementCount, elementData

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
Vector(java.lang.Class elementType, boolean allowNulls) Constructs an empty vector so that its internal data array has size 10 and its standard capacity increment is zero.
Vector(java.lang.Class elementType, boolean allowNulls, int initialCapacity) Constructs an empty vector with the specified initial capacity and with its capacity increment equal to zero.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(int index, java.lang.Object element) Inserts the specified element at the specified position in this Vector.
boolean	add(java.lang.Object o) Appends the specified element to the end of this Vector.
boolean	addAll(java.util.Collection c) Appends all of the elements in the specified Collection to the end of this Vector, in the order that they are returned by the specified Collection's Iterator.
boolean	addAll(int index, java.util.Collection c) Inserts all of the elements in in the specified Collection into this Vector at the specified position.
void	addAllInternal(java.util.Collection c) Adds objects of the given Collection to this Collection without recording the event.
void	addElement(java.lang.Object obj) Adds the specified component to the end of this vector, increasing its size by one.
void	addInternal(java.lang.Object o) Adds object to the Collection without recording the event.
boolean	allowNulls() Returns whether nulls are permitted as elements.
void	clear() Removes all of the elements from this Vector.
void	clearInternal() Clears Collection without recording the event.
java.lang.Object	clone() Creates and returns a copy of this object.
java.util.Iterator	eitherIterator() Get an iterator regardless of whether the collection is frozen.
java.util.Iterator	frozenIterator() Get an iterator over the frozen elements of this collection.
java.util.Collection	getAdded() Returns the Collection of added elements
java.lang.Class	getElementType() Returns the element type assignment compatible with all added elements of this collection.
java.lang.String	getFieldName() Returns the field name
java.lang.Object	getOwner() Returns the owner object of the SCO instance
java.util.Collection	getRemoved() Returns the Collection of removed elements
void	insertElementAt(java.lang.Object obj, int index) Inserts the specified object as a component in this vector at the specified index.
java.lang.Object	remove(int index) Removes the element at the specified position in this Vector.
boolean	remove(java.lang.Object o) Removes the first occurrence of the specified element in this Vector If the Vector does not contain the element, it is unchanged.
boolean	removeAll(java.util.Collection c) Removes from this Vector all of its elements that are contained in the specified Collection.
void	removeAllElements() Removes all components from this vector and sets its size to zero.
boolean	removeElement(java.lang.Object obj) Removes the first (lowest-indexed) occurrence of the argument from this vector.
void	removeElementAt(int index) Deletes the component at the specified index.
void	removeInternal(java.lang.Object o) Removes element from the Collection without recording the event.
void	reset() Resets removed and added lists after flush
boolean	retainAll(java.util.Collection c) Retains only the elements in this Vector that are contained in the specified Collection.
java.lang.Object	set(int index, java.lang.Object element) Replaces the element at the specified position in this Vector with the specified element.
void	setElementAt(java.lang.Object obj, int index) Sets the component at the specified index of this vector to be the specified object.
void	setFrozen(java.lang.Object[] elements) Set the contents of this Collection from the frozen elements.
void	setOwner(java.lang.Object owner, int fieldNumber) Sets the owner and field number.
void	unsetOwner(java.lang.Object owner, int fieldNumber) Nullifies references to the owner Object iff the passed in owner and fieldNumber match.

Methods inherited from class java.util.Vector

capacity, contains, containsAll, copyInto, elementAt, elements, ensureCapacity, equals, firstElement, get, hashCode, indexOf, indexOf, isEmpty, iterator, lastElement, lastIndexOf, lastIndexOf, listIterator, listIterator, removeRange, setSize, size, subList, toArray, toArray, toString, trimToSize

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

contains, containsAll, equals, hashCode, isEmpty, iterator, size, toArray, toArray

Constructor Detail

Vector

public Vector(java.lang.Class elementType,
      boolean allowNulls)

Constructs an empty vector so that its internal data array has size 10 and its standard capacity increment is zero.

Parameters:

elementType - the element types allowed

allowNulls - true if nulls are allowed

Vector

public Vector(java.lang.Class elementType,
      boolean allowNulls,
      int initialCapacity)

Constructs an empty vector with the specified initial capacity and with its capacity increment equal to zero.

Parameters:

elementType - the element types allowed

allowNulls - true if nulls are allowed

initialCapacity - the initial capacity of the vector.

Throws:

java.lang.IllegalArgumentException - if the specified initial capacity is negative

Method Detail

setElementAt

public void setElementAt(java.lang.Object obj,
                int index)

Sets the component at the specified index of this vector to be the specified object. The previous component at that position is discarded.

Overrides:

setElementAt in class java.util.Vector

Parameters:

obj - what the component is to be set to.

index - the specified index.

Throws:

java.lang.ArrayIndexOutOfBoundsException - if the index was invalid.

See Also:

Vector

removeElementAt

public void removeElementAt(int index)

Deletes the component at the specified index.

Overrides:

removeElementAt in class java.util.Vector

Parameters:

index - the index of the object to remove.

Throws:

java.lang.ArrayIndexOutOfBoundsException - if the index was invalid.

See Also:

Vector

insertElementAt

public void insertElementAt(java.lang.Object obj,
                   int index)

Inserts the specified object as a component in this vector at the specified index.

Overrides:

insertElementAt in class java.util.Vector

Parameters:

obj - the component to insert.

index - where to insert the new component.

Throws:

java.lang.ArrayIndexOutOfBoundsException - if the index was invalid.

See Also:

Vector

addElement

public void addElement(java.lang.Object obj)

Adds the specified component to the end of this vector, increasing its size by one.

Overrides:

addElement in class java.util.Vector

Parameters:

obj - the component to be added.

See Also:

Vector

removeElement

public boolean removeElement(java.lang.Object obj)

Removes the first (lowest-indexed) occurrence of the argument from this vector.

Overrides:

removeElement in class java.util.Vector

Parameters:

obj - the component to be removed.

Returns:

true if the argument was a component of this vector; false otherwise.

See Also:

Vector

removeAllElements

public void removeAllElements()

Removes all components from this vector and sets its size to zero.

Overrides:

removeAllElements in class java.util.Vector

See Also:

Vector

set

public java.lang.Object set(int index,
                   java.lang.Object element)

Replaces the element at the specified position in this Vector with the specified element.

Specified by:

set in interface java.util.List

Overrides:

set in class java.util.Vector

Parameters:

index - index of element to replace.

element - element to be stored at the specified position.

Returns:

the element previously at the specified position.

Throws:

java.lang.ArrayIndexOutOfBoundsException - index out of range (index < 0 || index >= size()).

java.lang.IllegalArgumentException - fromIndex > toIndex.

See Also:

Vector

add

public boolean add(java.lang.Object o)

Appends the specified element to the end of this Vector.

Specified by:

add in interface java.util.Collection

Specified by:

add in interface java.util.List

Overrides:

add in class java.util.Vector

Parameters:

o - element to be appended to this Vector.

Returns:

true (as per the general contract of Collection.add).

See Also:

Vector

remove

public boolean remove(java.lang.Object o)

Removes the first occurrence of the specified element in this Vector If the Vector does not contain the element, it is unchanged.

Specified by:

remove in interface java.util.Collection

Specified by:

remove in interface java.util.List

Overrides:

remove in class java.util.Vector

Parameters:

o - element to be removed from this Vector, if present.

Returns:

true if the Vector contained the specified element.

See Also:

Vector

add

public void add(int index,
       java.lang.Object element)

Inserts the specified element at the specified position in this Vector.

Specified by:

add in interface java.util.List

Overrides:

add in class java.util.Vector

Parameters:

index - index at which the specified element is to be inserted.

element - element to be inserted.

Throws:

java.lang.ArrayIndexOutOfBoundsException - index is out of range (index < 0 || index > size()).

See Also:

Vector

remove

public java.lang.Object remove(int index)

Removes the element at the specified position in this Vector. shifts any subsequent elements to the left (subtracts one from their indices). Returns the element that was removed from the Vector.

Specified by:

remove in interface java.util.List

Overrides:

remove in class java.util.Vector

Parameters:

index - the index of the element to removed.

Throws:

java.lang.ArrayIndexOutOfBoundsException - index out of range (index < 0 || index >= size()).

See Also:

Vector

clear

public void clear()

Removes all of the elements from this Vector. The Vector will be empty after this call returns (unless it throws an exception).

Specified by:

clear in interface java.util.Collection

Specified by:

clear in interface java.util.List

Overrides:

clear in class java.util.Vector

See Also:

Vector

addAll

public boolean addAll(java.util.Collection c)

Appends all of the elements in the specified Collection to the end of this Vector, in the order that they are returned by the specified Collection's Iterator.

Specified by:

addAll in interface java.util.Collection

Specified by:

addAll in interface java.util.List

Overrides:

addAll in class java.util.Vector

Parameters:

c - elements to be inserted into this Vector.

See Also:

Vector

removeAll

public boolean removeAll(java.util.Collection c)

Removes from this Vector all of its elements that are contained in the specified Collection.

Specified by:

removeAll in interface java.util.Collection

Specified by:

removeAll in interface java.util.List

Overrides:

removeAll in class java.util.Vector

Returns:

true if this Vector changed as a result of the call.

See Also:

Vector

addAll

public boolean addAll(int index,
             java.util.Collection c)

Inserts all of the elements in in the specified Collection into this Vector at the specified position. Shifts the element currently at that position (if any) and any subsequent elements to the right (increases their indices). The new elements will appear in the Vector in the order that they are returned by the specified Collection's iterator.

Specified by:

addAll in interface java.util.List

Overrides:

addAll in class java.util.Vector

Parameters:

index - index at which to insert first element from the specified collection.

c - elements to be inserted into this Vector.

Throws:

java.lang.ArrayIndexOutOfBoundsException - index out of range (index < 0 || index > size()).

See Also:

Vector

retainAll

public boolean retainAll(java.util.Collection c)

Retains only the elements in this Vector that are contained in the specified Collection.

Specified by:

retainAll in interface java.util.Collection

Specified by:

retainAll in interface java.util.List

Overrides:

retainAll in class java.util.Vector

Returns:

true if this Vector changed as a result of the call.

See Also:

Vector

clone

public java.lang.Object clone()

Creates and returns a copy of this object.

Mutable Second Class Objects are required to provide a public clone method in order to allow for copying PersistenceCapable objects. In contrast to Object.clone(), this method must not throw a CloneNotSupportedException.

Specified by:

clone in interface SCO

Overrides:

clone in class java.util.Vector

reset

public void reset()

Description copied from interface: SCOCollection

Resets removed and added lists after flush

Specified by:

reset in interface SCOCollection

See Also:

SCOCollection.reset()

addInternal

public void addInternal(java.lang.Object o)

Description copied from interface: SCOCollection

Adds object to the Collection without recording the event. Used internaly to initially populate the Collection

Specified by:

addInternal in interface SCOCollection

See Also:

SCOCollection.addInternal(Object o)

addAllInternal

public void addAllInternal(java.util.Collection c)

Description copied from interface: SCOCollection

Adds objects of the given Collection to this Collection without recording the event. Used internaly to initially populate the Collection

Specified by:

addAllInternal in interface SCOCollection

See Also:

SCOCollection.addAllInternal(Collection c)

getAdded

public java.util.Collection getAdded()

Description copied from interface: SCOCollection

Returns the Collection of added elements

Specified by:

getAdded in interface SCOCollection

Returns:

Collection of the added elements as java.util.Collection

See Also:

SCOCollection.getAdded()

getRemoved

public java.util.Collection getRemoved()

Description copied from interface: SCOCollection

Returns the Collection of removed elements

Specified by:

getRemoved in interface SCOCollection

Returns:

Collection of the removed elements as java.util.Collection

See Also:

SCOCollection.getRemoved()

clearInternal

public void clearInternal()

Description copied from interface: SCOCollection

Clears Collection without recording the event. Used internaly to clear the Collection

Specified by:

clearInternal in interface SCOCollection

See Also:

SCOCollection.clearInternal()

removeInternal

public void removeInternal(java.lang.Object o)

Description copied from interface: SCOCollection

Removes element from the Collection without recording the event. Used internaly to update the Collection

Specified by:

removeInternal in interface SCOCollection

See Also:

SCOCollection.removeInternal(Object o)

unsetOwner

public void unsetOwner(java.lang.Object owner,
              int fieldNumber)

Description copied from interface: SCO

Nullifies references to the owner Object iff the passed in owner and fieldNumber match.

Specified by:

unsetOwner in interface SCO

Parameters:

owner - the existing owner object.

fieldNumber - the existing number of the field.

See Also:

SCO.unsetOwner(Object owner, int fieldNumber)

setOwner

public void setOwner(java.lang.Object owner,
            int fieldNumber)

Description copied from interface: SCO

Sets the owner and field number. Called by StateManager upon assignment to a managed instance.

Specified by:

setOwner in interface SCO

Parameters:

owner - the owner object.

fieldNumber - the number of the field associated with this instance.

See Also:

(Object owner, int fieldNumber)

getOwner

public java.lang.Object getOwner()

Description copied from interface: SCO

Returns the owner object of the SCO instance

Specified by:

getOwner in interface SCO

Returns:

owner object

See Also:

SCO.getOwner()

getFieldName

public java.lang.String getFieldName()

Description copied from interface: SCO

Returns the field name

Specified by:

getFieldName in interface SCO

Returns:

field name as java.lang.String

See Also:

SCO.getFieldName()

getElementType

public java.lang.Class getElementType()

Description copied from interface: SCOCollection

Returns the element type assignment compatible with all added elements of this collection.

Specified by:

getElementType in interface SCOCollection

Returns:

the element type assignment compatible with all added elements.

See Also:

{

allowNulls

public boolean allowNulls()

Description copied from interface: SCOCollection

Returns whether nulls are permitted as elements.

Specified by:

allowNulls in interface SCOCollection

Returns:

true if nulls are permitted as elements.

See Also:

{

frozenIterator

public java.util.Iterator frozenIterator()

Get an iterator over the frozen elements of this collection. This class does not require freezing, so this method returns a standard iterator.

Specified by:

frozenIterator in interface SCOCollection

Returns:

an iterator over the elements.

Since:

1.0.1

setFrozen

public void setFrozen(java.lang.Object[] elements)

Set the contents of this Collection from the frozen elements. This class does not support explicit frozen operations, and this method always throws an exception.

Specified by:

setFrozen in interface SCOCollection

Parameters:

elements - not used.

Since:

1.0.1

eitherIterator

public java.util.Iterator eitherIterator()

Get an iterator regardless of whether the collection is frozen. This class does not support frozen operations and always returns a regular iterator.

Specified by:

eitherIterator in interface SCOCollection

Returns:

an iterator over the elements.

Since:

1.0.1