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java.lang.Objectjava.util.AbstractCollection
java.util.AbstractSet
java.util.HashSet
org.apache.jdo.impl.sco.HashSet
A mutable 2nd class object that represents HashSet.
HashSet
,
Serialized FormConstructor Summary | |
HashSet(java.lang.Class elementType,
boolean allowNulls)
Creates a new empty HashSet object. |
|
HashSet(java.lang.Class elementType,
boolean allowNulls,
int initialCapacity)
Creates a new empty HashSet object that has
the specified initial capacity. |
|
HashSet(java.lang.Class elementType,
boolean allowNulls,
int initialCapacity,
float loadFactor)
Creates a new empty HashSet object that has
the specified initial capacity.. |
Method Summary | |
boolean |
add(java.lang.Object o)
Adds the specified element to this set if it is not already present. |
boolean |
addAll(java.util.Collection c)
Adds all of the elements in the specified collection to this collection |
void |
addAllInternal(java.util.Collection c)
Adds objects of the given Collection to this Collection without recording the event. |
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 set. |
void |
clearInternal()
Clears Collection without recording the event. |
java.lang.Object |
clone()
Creates and returns a copy of this object. |
boolean |
contains(java.lang.Object o)
|
boolean |
containsAll(java.util.Collection c)
|
java.util.Iterator |
eitherIterator()
Create an iterator regardless whether the collection is frozen. |
boolean |
equals(java.lang.Object o)
|
java.util.Iterator |
frozenIterator()
Create a new iterator over the frozen elements without thawing. |
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 |
int |
hashCode()
|
boolean |
isEmpty()
|
java.util.Iterator |
iterator()
|
boolean |
remove(java.lang.Object o)
Removes the given element from this set if it is present. |
boolean |
removeAll(java.util.Collection c)
Removes from this collection all of its elements that are contained in the specified collection (optional operation). |
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 collection that are contained in the specified collection (optional operation). |
void |
setFrozen(java.lang.Object[] elements)
Set the contents of this Collection from the frozen elements, if this Collection is implicitly user-orderable. |
void |
setOwner(java.lang.Object owner,
int fieldNumber)
Sets the owner and field number. |
int |
size()
|
java.lang.Object[] |
toArray()
|
java.lang.Object[] |
toArray(java.lang.Object[] a)
|
java.lang.String |
toString()
|
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.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public HashSet(java.lang.Class elementType, boolean allowNulls)
HashSet
object.
elementType
- the element types allowedallowNulls
- true if nulls are allowedHashSet
public HashSet(java.lang.Class elementType, boolean allowNulls, int initialCapacity)
HashSet
object that has
the specified initial capacity.
elementType
- the element types allowedallowNulls
- true if nulls are allowedinitialCapacity
- the initial capacity of the hash map.
java.lang.IllegalArgumentException
- if the initial capacity is less
than zero.HashSet
public HashSet(java.lang.Class elementType, boolean allowNulls, int initialCapacity, float loadFactor)
HashSet
object that has
the specified initial capacity..
elementType
- the element types allowedallowNulls
- true if nulls are allowedinitialCapacity
- the initial capacity of the hash map.loadFactor
- the load factor of the hash map.
java.lang.IllegalArgumentException
- if the initial capacity is less
than zero.HashSet
Method Detail |
public boolean add(java.lang.Object o)
add
in interface java.util.Collection
o
- element to be added to this set.
HashSet
public boolean addAll(java.util.Collection c)
addAll
in interface java.util.Collection
c
- collection whose elements are to be added to this collection.
java.lang.UnsupportedOperationException
- if the addAll method is
not supported by this collection.AbstractCollection
,
HashSet
public boolean remove(java.lang.Object o)
remove
in interface java.util.Collection
o
- object to be removed from this set, if present.
HashSet
public boolean removeAll(java.util.Collection c)
Processes each element remove internally not to have call backs into #remove(Object).
removeAll
in interface java.util.Collection
c
- elements to be removed from this collection.
java.lang.UnsupportedOperationException
- removeAll is not supported
by this collection.HashSet
,
AbstractCollection
public boolean retainAll(java.util.Collection c)
retainAll
in interface java.util.Collection
java.lang.UnsupportedOperationException
- if the retainAll method
is not supported by this collection.HashSet
,
AbstractCollection
public void clear()
clear
in interface java.util.Collection
HashSet
public java.lang.Object clone()
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.
clone
in interface SCO
public void reset()
SCOCollection
reset
in interface SCOCollection
SCOCollection.reset()
public void addInternal(java.lang.Object o)
SCOCollection
addInternal
in interface SCOCollection
SCOCollection.addInternal(Object o)
public void addAllInternal(java.util.Collection c)
SCOCollection
addAllInternal
in interface SCOCollection
SCOCollection.addAllInternal(Collection c)
public java.util.Collection getAdded()
SCOCollection
getAdded
in interface SCOCollection
SCOCollection.getAdded()
public java.util.Collection getRemoved()
SCOCollection
getRemoved
in interface SCOCollection
SCOCollection.getRemoved()
public void clearInternal()
SCOCollection
clearInternal
in interface SCOCollection
SCOCollection.clearInternal()
public void removeInternal(java.lang.Object o)
SCOCollection
removeInternal
in interface SCOCollection
SCOCollection.removeInternal(Object o)
public void unsetOwner(java.lang.Object owner, int fieldNumber)
SCO
unsetOwner
in interface SCO
owner
- the existing owner object.fieldNumber
- the existing number of the field.SCO.unsetOwner(Object owner, int fieldNumber)
public void setOwner(java.lang.Object owner, int fieldNumber)
SCO
setOwner
in interface SCO
owner
- the owner object.fieldNumber
- the number of the field associated with this instance.(Object owner, int fieldNumber)
public java.lang.Object getOwner()
SCO
getOwner
in interface SCO
SCO.getOwner()
public java.lang.String getFieldName()
SCO
getFieldName
in interface SCO
SCO.getFieldName()
public java.lang.Class getElementType()
SCOCollection
getElementType
in interface SCOCollection
{
public boolean allowNulls()
SCOCollection
allowNulls
in interface SCOCollection
{
public boolean contains(java.lang.Object o)
contains
in interface java.util.Collection
public boolean containsAll(java.util.Collection c)
containsAll
in interface java.util.Collection
public boolean isEmpty()
isEmpty
in interface java.util.Collection
public java.util.Iterator iterator()
iterator
in interface java.util.Collection
public int size()
size
in interface java.util.Collection
public boolean equals(java.lang.Object o)
equals
in interface java.util.Collection
public int hashCode()
hashCode
in interface java.util.Collection
public java.lang.String toString()
public java.lang.Object[] toArray()
toArray
in interface java.util.Collection
public java.lang.Object[] toArray(java.lang.Object[] a)
toArray
in interface java.util.Collection
public void setFrozen(java.lang.Object[] elements)
setFrozen
in interface SCOCollection
elements
- the frozen elements of this set.public java.util.Iterator frozenIterator()
frozenIterator
in interface SCOCollection
public java.util.Iterator eitherIterator()
eitherIterator
in interface SCOCollection
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